Freud’s Structural Theory: Understanding the Three Areas of the Mind

According to Freud’s structural model, the human mind is divided into three distinct areas: the Id, the Ego, and the Superego. The Id is the part of the mind that contains instinctive drives and operates on the ‘pleasure principle’. It functions without a sense of time and is governed by ‘primary process thinking’. The Ego, on the other hand, attempts to modify the drives from the Id with external reality. It operates on the ‘reality principle’ and has conscious, preconscious, and unconscious aspects. It is also home to the defense mechanisms. Finally, the Superego acts as a critical agency, constantly observing a person’s behavior. Freud believed that it developed from the internalized values of a child’s main caregivers. The Superego contains the ‘ego ideal’, which represents ideal attitudes and behavior. It is often referred to as the conscience. Understanding these three areas of the mind is crucial to understanding Freud’s structural theory.

Freud’s Structural Theory: Understanding the Three Areas of the Mind

According to Freud’s structural model, the human mind is divided into three distinct areas: the Id, the Ego, and the Superego. The Id is the part of the mind that contains instinctive drives and operates on the ‘pleasure principle’. It functions without a sense of time and is governed by ‘primary process thinking’. The Ego, on the other hand, attempts to modify the drives from the Id with external reality. It operates on the ‘reality principle’ and has conscious, preconscious, and unconscious aspects. It is also home to the defense mechanisms. Finally, the Superego acts as a critical agency, constantly observing a person’s behavior. Freud believed that it developed from the internalized values of a child’s main caregivers. The Superego contains the ‘ego ideal’, which represents ideal attitudes and behavior. It is often referred to as the conscience. Understanding these three areas of the mind is crucial to understanding Freud’s structural theory.

The Nuremberg Code and its Significance in Medical Ethics

The Nuremberg Code is a set of ethical guidelines that resulted from the trial of German physicians accused of war crimes and crimes against humanity in 1946. The physicians were charged with conducting medical experiments on concentration camp prisoners without their consent. This led to the creation of the Nuremberg Code, which was the first international document to advocate for voluntary participation and informed consent in medical experimentation.

The Nuremberg Code has since become a cornerstone of medical ethics and has been adopted by many countries and organizations around the world. It emphasizes the importance of protecting the rights and welfare of human subjects in medical research and requires that any experimentation be conducted with the voluntary and informed consent of the participants.

The significance of the Nuremberg Code cannot be overstated, as it has helped to shape the way medical research is conducted and has led to greater awareness and respect for the rights of human subjects. It serves as a reminder of the atrocities committed during the Holocaust and the importance of ethical considerations in medical research.

The four principles serve as a framework for ethical discussions, rather than being an ethical theory themselves. They provide guidelines that can be used regardless of the ethical theory that the participants may hold.

Ethical theory and principles are important in medical ethics. There are three key ethical theories that have dominated medical ethics: utilitarianism, deontological, and virtue-based. Utilitarianism is based on the greatest good for the greatest number and is a consequentialist theory. Deontological ethics emphasize moral duties and rules, rather than consequences. Virtue ethics is based on the ethical characteristics of a person and is associated with the concept of a good, happy, flourishing life.

More recent frameworks have attempted to reconcile different theories and values. The ‘four principles’ of ‘principlism’ approach, developed in the United States, is based on four common, basic prima facie moral commitments: autonomy, beneficence, non-maleficence, and justice. Autonomy refers to a patient’s right to make their own decisions, beneficence refers to the expectation that a doctor will act in a way that will be helpful to the patient, non-maleficence refers to the fact that doctors should avoid harming their patients, and justice refers to the expectation that all people should be treated fairly and equally.

Ribot’s Law and Jost’s Law: Understanding Memory Consolidation and Forgetting

Ribot’s Law, also known as the law of retrograde amnesia, suggests that recent memories are more likely to be lost than older ones. This implies that memories need time to consolidate and become more resistant to forgetting. Ribot observed that people who experience traumatic events often lose memories leading up to the event, but older memories are preserved. This pattern is also observed in patients with Alzheimer’s disease, where the saying goes, you lose first what you learn last.

Jost’s Law of forgetting complements Ribot’s Law by stating that if two memories are of the same strength but different ages, the older memory will decay more slowly than the younger one. Together, these laws suggest that memory consolidation is a gradual process that takes time, and once memories are consolidated, they become more resistant to forgetting. Understanding these laws can help us better understand how memories are formed, retained, and lost over time.

Ethical theory and principles are important in medical ethics. There are three key ethical theories that have dominated medical ethics: utilitarianism, deontological, and virtue-based. Utilitarianism is based on the greatest good for the greatest number and is a consequentialist theory. Deontological ethics emphasize moral duties and rules, rather than consequences. Virtue ethics is based on the ethical characteristics of a person and is associated with the concept of a good, happy, flourishing life.

More recent frameworks have attempted to reconcile different theories and values. The ‘four principles’ of ‘principlism’ approach, developed in the United States, is based on four common, basic prima facie moral commitments: autonomy, beneficence, non-maleficence, and justice. Autonomy refers to a patient’s right to make their own decisions, beneficence refers to the expectation that a doctor will act in a way that will be helpful to the patient, non-maleficence refers to the fact that doctors should avoid harming their patients, and justice refers to the expectation that all people should be treated fairly and equally.

The head injury resulted in anterograde amnesia, which is characterized by memory loss for events that occurred after the injury.

Understanding Amnesia: Types and Causes

Amnesia is a memory deficit that can be categorized into two types: anterograde and retrograde. Anterograde amnesia refers to the inability to create new memories, while retrograde amnesia refers to the loss of memory for information acquired before the onset of amnesia. The damage to the hippocampus and medial temporal lobe is often associated with amnesia. Source amnesia is the inability to remember where of how previously learned information was acquired. Psychogenic amnesia is characterized by sudden retrograde episodic memory loss, while semantic amnesia affects semantic memory and language use. Transient global amnesia is a condition that affects those over 50 and spontaneously resolves within 24 hours, with no clear cause identified. Understanding the types and causes of amnesia can help in its diagnosis and treatment.

History of Psychiatric Terms

In the exams, it is important to be familiar with the individuals associated with certain psychiatric terms. For example, Kraepelin is associated with dementia praecox and manic depression, while Bleuler is associated with schizophrenia. Other terms and their associated individuals include Hebephrenia (Hecker), Catatonia (Kahlbaum), Schizoaffective (Kasanin), Neurasthenia (Beard), Unipolar and bipolar (Kleist), Hypnosis (Braid), Group dynamics (Lewin), Group psychotherapy (Moreno), Psychopathic inferiority (Koch), Psychiatry (Reil), and Institutional Neurosis (Barton).

It should be noted that there is some debate over the origins of certain terms. While Kraepelin is often credited with coining the term dementia praecox, some sources suggest that it was first used in its Latin form by Arnold Pick in 1891. The original term demence precoce was first used by Morel in 1852. Despite this, the College appears to favor the Kraepelin attribution.

The Catharsis Hypothesis and Its Effectiveness in Reducing Aggressive Feelings

The catharsis hypothesis proposes that individuals can release their feelings of frustration and aggression through indirect means, such as engaging in aggressive activities like boxing of venting their emotions through talking. However, there is ongoing debate regarding the effectiveness of these methods in reducing aggressive feelings over the long term.

Some individuals believe that engaging in physical activities like boxing can help release pent-up aggression and reduce the likelihood of future aggressive behavior. Others argue that this approach may actually reinforce aggressive tendencies and lead to an increase in violent behavior.

Similarly, some individuals believe that venting one’s emotions through talking can be an effective way to reduce feelings of frustration and aggression. However, others argue that this approach may actually intensify negative emotions and lead to further aggression.

Overall, the effectiveness of the catharsis hypothesis in reducing aggressive feelings remains a topic of debate. While some individuals may find these methods helpful in managing their emotions, others may require alternative approaches to address their aggressive tendencies.

The concept of the sick role pertains to an implicit agreement between an individual who falls ill and the community they belong to.

The Sick Role and Illness Behavior

Mechanic and Volkart (1961) introduced the term illness behavior to describe how individuals perceive, evaluate, and respond to symptoms of physical dysfunction. Meanwhile, Talcott Parsons (1951) introduced the concept of the sick role as a temporary form of deviant behavior that is medically sanctioned.

According to Parsons, a sick person experiences conflicting desires to recover from the illness and to enjoy the secondary gains of attention and exemption from normal duties. The sick role is characterized by several rules, including the exemption of the sick person from their normal social roles, which is legitimized by society through the physician. The severity of the illness determines the strength of the exemption.

Additionally, sick persons are not held responsible for their illnesses, as they are beyond personal control. However, they have a duty to try to get well, as sickness is considered undesirable by society. Seeking competent technical help and cooperating with caregivers are also expected of sick persons.

In summary, the sick role and illness behavior are important concepts in understanding how individuals respond to physical dysfunction and how society legitimizes and responds to illness.

Attribution Theory: Understanding How We Explain Events

Attribution theory provides a framework for understanding how individuals explain events in their environment. It examines how people use information to arrive at causal explanations for events and what factors influence their judgments. Fritz Heider first proposed a theory of attribution in 1958.

However, attribution is prone to biases such as the Fundamental Attribution Error (FAE), which overemphasizes dispositional factors over situational causes when making attributions about others’ behavior. The Actor-Observer Bias, on the other hand, undervalues dispositional explanations and overvalued situational explanations of our own behavior. Correspondence bias is the tendency to draw inferences about a person’s unique and enduring dispositions from behaviors that can be entirely explained by the situations in which they occur. Self-serving bias refers to people’s tendency to attribute their successes to internal factors but attribute their failures to external factors. Hostile Attribution Bias (HAB) is an interpretive bias where individuals interpret ambiguous behavior as hostile, leading to aggression. Finally, the False Consensus Effect is the tendency for people to project their way of thinking onto others, assuming that everyone else thinks the same way they do.

Overall, attribution theory helps us understand how people make sense of events in their environment, but it is important to be aware of the biases that can influence our judgments.

In psychology, the spacing effect suggests that humans are more likely to remember of learn items in a list when they are studied a few times over a long period of time (spaced presentation) rather than repeatedly in a short period of time, which is known as massed practice.

Classical Conditioning: A Learning Theory by Ivan Pavlov

Classical conditioning is a learning theory developed by Ivan Pavlov. It suggests that events that occur together are associated and acquire a similar meaning. Unlike operant conditioning, which focuses on responses to behavior, classical conditioning looks at responses to stimuli. In classical conditioning, animals behave as if they have learned to associate a stimulus with a significant event. Pavlov demonstrated that innate responses, such as a dog salivating when it sees food, can be associated with a neutral stimulus, such as ringing a bell, so that ringing the bell can cause salivation even in the absence of food.

Important terms used in classical conditioning include stimulus generalization and discrimination, higher order conditioning, spontaneous recovery, and aversive conditioning. Extinction is the laboratory analogue of exposure therapy for anxiety disorders, while Counterconditioning involves pairing a feared conditioned stimulus with a positive outcome. Incubation occurs in fear responses, and reciprocal inhibition is a technique that aims to replace an undesired response with a desired one by counterconditioning. Some stimuli are more prone to conditioning than others, which is referred to as stimulus/biological preparedness.

Stigma Models

Stigma refers to any attribute, trait, of disorder that marks an individual as being unacceptably different from the normal people with whom they routinely interact, and that elicits some form of community sanction. The most popular model of stigma comes from the work of Link and Phelan, which has four aspects to it.

The first aspect is labelling, which refers to personal characteristics that mark individuals as different. These characteristics can be physical, mental, of social in nature and can include things like race, gender, sexual orientation, of mental illness.

The second aspect is stereotyping, which involves linking labelled characteristics to undesirable characteristics. For example, people with mental illness may be stereotyped as violent of unpredictable, even though the vast majority of them are not.

The third aspect is separating, which involves separating the labelled group and normal people by viewing them as very different. This can lead to social isolation and exclusion, which can further exacerbate the negative effects of stigma.

The fourth and final aspect is status loss and discrimination, which refers to the devaluing, rejecting, and excluding of the labelled group. This can take many forms, including employment discrimination, housing discrimination, and social exclusion.

Overall, the model of stigma developed by Link and Phelan provides a useful framework for understanding the complex and multifaceted nature of stigma and its effects on individuals and society as a whole.

Deontological (duty-based) ethics prioritize the actions of individuals over the observable practical consequences of those actions.

Ethical theory and principles are important in medical ethics. There are three key ethical theories that have dominated medical ethics: utilitarianism, deontological, and virtue-based. Utilitarianism is based on the greatest good for the greatest number and is a consequentialist theory. Deontological ethics emphasize moral duties and rules, rather than consequences. Virtue ethics is based on the ethical characteristics of a person and is associated with the concept of a good, happy, flourishing life.

More recent frameworks have attempted to reconcile different theories and values. The ‘four principles’ of ‘principlism’ approach, developed in the United States, is based on four common, basic prima facie moral commitments: autonomy, beneficence, non-maleficence, and justice. Autonomy refers to a patient’s right to make their own decisions, beneficence refers to the expectation that a doctor will act in a way that will be helpful to the patient, non-maleficence refers to the fact that doctors should avoid harming their patients, and justice refers to the expectation that all people should be treated fairly and equally.

Understanding Incentive Salience and its Role in Addiction and Grief

Incentive salience is a process that drives the brain to desire certain things, such as drugs, and is mediated by mesolimbic dopamine systems. This process is separate from the experience of pleasure, and a person can want something they don’t necessarily like. Desire is amplified by brain states that heighten dopamine reactivity, such as stress, emotional excitement, relevant appetites, of intoxication. This state-dependent amplification of incentive salience is one reason why many addicts find it difficult to stop at just one hit.

Interestingly, grief has been hypothesized to be underpinned by a very similar process as drug addiction, referred to as the ‘incentive salience theory of grief’. Understanding the distinction between liking and wanting can help us better understand addiction and grief, and how the brain processes these experiences.

Virtue Ethics: Judging Actions Based on Moral Character

In virtue ethics, the evaluation of an action is not based on moral principles, intended outcomes, of societal effects. Instead, it is judged by how it shapes the moral character of the actor. This means that individuals who follow virtue ethics are concerned with how their actions will affect their own sense of morality. For example, if two students are faced with a moral dilemma, they may take different positions based on how they believe it would impact their own moral character. This approach to ethics emphasizes the importance of cultivating virtuous traits such as honesty, compassion, and courage, rather than simply following rules of achieving specific outcomes. By focusing on the development of moral character, virtue ethics encourages individuals to strive for excellence in all aspects of their lives.

Controversial studies in psychiatry have been a popular topic in exams. One such study was the Willowbrook School Study, where healthy children with learning difficulties were inoculated with hepatitis to assess the potential of gamma globulin to treat the disorder. Beecher’s study listed over 20 cases of mainstream research where subjects were experimented on without being fully informed of the risks. The Tuskegee syphilis experiment followed impoverished African-American sharecroppers with syphilis, and a significant proportion did not receive available treatment. Stanford’s prison experiment created a simulated prison environment where participants became their assigned roles, with guards becoming harsh and cruel to prisoners. The Tearooms Study involved Humphreys pretending to be a ‘watch queen’ to study men who have sex in public toilets, raising the issue of informed consent. Milgram’s Study investigated authority and obedience, where participants administered fake shocks to a confederate, with 30 participants continuing to administer shocks until 450 volts was reached. The Rosenhan experiment involved pseudopatients presenting themselves at institutions with the same symptoms and being admitted and diagnosed with serious mental disorders, leading to deinstitutionalisation.

History of major works in psychiatry
Michel Foucault – Madness and civilization
Sigmund Freud – The interpretation of dreams, Beyond the Pleasure Principle, The Psychopathology of everyday life
Thomas Szasz – The myth of mental illness
Erving Goffman – Asylums, The Presentation of Self in Everyday Life
Ronald Laing – The divided self
Emile Durkheim – Le suicide. Durkheim proposed social causes for suicide. Until his work was published, suicide had been thought of as an individual act only.
Tom Main – The Ailment
Jerome Frank – Persuasion and Healing
George Brown and Tirril Harris – Social origins of depression

Theories of aggression can be categorized into three main perspectives: psychodynamic, sociological/drive, and cognitive and learning. Psychodynamic theory, proposed by Freud, suggests that aggression arises from a primary instinct called thanatos, which aims for destruction and death. Sociobiological/drive theory, proposed by Lorenz, suggests that aggression is instinctual and necessary for survival, and that stronger genes are selected through aggression. Cognitive and learning theory, proposed by Berkowitz, Rotter, Bandura, and Anderson, suggests that aggression can be learned through observational learning and is influenced by environmental factors. Bandura’s work introduced the concept of reciprocal determinism, which suggests that behavior is influenced by both the environment and the individual’s behavior. Rotter’s social learning theory emphasizes the interaction between the individual and their environment, while Anderson and Bushman’s general aggression model considers the role of social, cognitive, developmental, and biological factors on aggression.

While it’s not necessary to memorize the precise sequence of all the stressful life events, it’s advisable to have knowledge of the order of the most significant three.

Holmes Rahe Stress Scale (Social Readjustment Rating Scale)

In 1967, Holmes and Rahe conducted a study on the impact of stress on illness. They surveyed over 5,000 medical patients and asked them to report whether they had experienced any of 43 life events in the past two years. Each event was assigned a Life Change Unit (LCU) value, which represented its weight for stress. The higher the score, the more likely the patient was to become ill.

The first 10 life events and their corresponding LCU values are listed below.

1. Death of spouse – 100
2. Divorce – 73
3. Marital separation – 65
4. Jail term – 63
5. Death of a close family member – 63
6. Personal illness – 53
7. Marriage – 50
8. Being fired from work – 47
9. Marital reconciliation – 45
10. Retirement – 45

This scale is known as the Holmes Rahe Stress Scale of the Social Readjustment Rating Scale. It is still widely used today to assess the impact of life events on stress levels and overall health.

Temperament is the innate aspect of an individual’s personality that is believed to be influenced by genetics, while character is shaped by learned experiences. Thomas and Chess developed a classification system that assesses children’s behavior based on nine traits, including activity level, adaptability, and emotional response. They found that 65% of children fall into one of three temperament types: easy, difficult, of slow to warm up. Thomas and Chess also introduced the concept of goodness of fit, which refers to the compatibility between a child’s temperament and their environment. When there is a good fit, children are more likely to reach their potential. For example, teachers can provide active learning experiences for children with high activity levels instead of seat work.

The therapists in the Tarasoff case were faulted for placing greater importance on maintaining the patient’s confidentiality, thereby prioritizing the principle of beneficence over the rights of the potential victim. As a result, they were deemed to have failed in their duty to consider the principle of non-maleficence.

Double Agentry in Psychiatry

Double agentry is a term used to describe a situation where a psychiatrist’s conflict of interest interferes with their ability to act in the best interests of their patient. Psychiatrists often have to balance the interests of multiple parties, such as the patient, family, society, and hospital commissioners, which is known as multiagency.

The Tarasoff case is a prime example of double agentry in psychiatry. Two therapists failed to warn a woman that their patient had expressed an intention to kill her. They chose not to do so to respect the patient’s confidentiality, but failed to recognize their duty of care to both the patient and the potential victim. Unfortunately, the woman was eventually murdered by the patient.

This case, which occurred in California, led to a change in the law that now requires therapists to have a legal duty to both their patients and potential victims. It highlights the importance of psychiatrists being aware of their responsibilities to all parties involved and ensuring that they act in the best interests of their patients while also fulfilling their duty of care to others.

Gestalt Psychology and the Laws of Perceptual Organization

Gestalt psychology emerged as a response to structuralism, which aimed to break down thoughts into their basic components. Instead, Gestalt psychologists recognized that individual items must be examined together, as they interact and add complexity to the overall picture. Max Wertheimer, Kurt Koffka, and Wolfgang Köhler are important names associated with Gestalt psychology. Wertheimer discovered the phi phenomenon, which explains how rapid sequences of perceptual events create the illusion of motion. The Gestalt laws of perceptual organization explain how we tend to organize parts into wholes. These laws include symmetry and order, similarity, proximity, continuity, closure, and common fate. These laws help us understand how the mind groups similar elements into collective entities of totalities, and how spatial or temporal grouping of elements may induce the mind to perceive a collective of totality. Additionally, the laws explain how points that are connected by straight of curving lines are seen in a way that follows the smoothest path, and how things are grouped together if they seem to complete a picture. Finally, elements with the same moving direction are perceived as a collective of unit.

Theories of aggression can be categorized into three main perspectives: psychodynamic, sociological/drive, and cognitive and learning. Psychodynamic theory, proposed by Freud, suggests that aggression arises from a primary instinct called thanatos, which aims for destruction and death. Sociobiological/drive theory, proposed by Lorenz, suggests that aggression is instinctual and necessary for survival, and that stronger genes are selected through aggression. Cognitive and learning theory, proposed by Berkowitz, Rotter, Bandura, and Anderson, suggests that aggression can be learned through observational learning and is influenced by environmental factors. Bandura’s work introduced the concept of reciprocal determinism, which suggests that behavior is influenced by both the environment and the individual’s behavior. Rotter’s social learning theory emphasizes the interaction between the individual and their environment, while Anderson and Bushman’s general aggression model considers the role of social, cognitive, developmental, and biological factors on aggression.

Bion, a psychoanalyst, was fascinated by group dynamics and believed that groups had a collective unconscious that functioned similarly to that of an individual. He argued that this unconsciousness protected the group from the pain of reality. Bion identified two types of groups: the ‘working group’ that functioned well and achieved its goals, and the ‘basic assumption group’ that acted out primitive fantasies and prevented progress. Bion then described different types of basic assumption groups, including ‘dependency,’ where the group turns to a leader to alleviate anxiety, ‘fight-flight,’ where the group perceives an enemy and either attacks of avoids them, and ‘pairing,’ where the group believes that the solution lies in the pairing of two members. These dynamics can be observed in various settings, such as when strangers come together for the first time of when doctors in different specialties criticize one another.

Sleep Disorders

The International Classification of Sleep Disorders (ISCD) categorizes sleep disorders into several main categories and subclasses. Dyssomnias are intrinsic sleep disorders that include narcolepsy, psychopsychologic insomnia, idiopathic hypersomnia, restless leg syndrome, periodic limb movement disorder, and obstructive sleep apnea. Extrinsic sleep disorders include inadequate sleep hygiene and alcohol-dependent sleep disorder. Circadian rhythm disorders consist of jet lag syndrome, shift work sleep disorder, irregular sleep-wake pattern, delayed sleep phase syndrome, and advanced sleep phase disorder. Parasomnias include arousal disorders such as sleepwalking and sleep terrors, sleep-wake transition disorders such as rhythmic movement disorder, sleep talking, and nocturnal leg cramps, and parasomnias associated with REM sleep such as nightmares and sleep paralysis. Sleep disorders associated with medical/psychiatric disorders and proposed sleep disorders are also included in the classification.

Narcolepsy is a disorder of unknown cause that is characterized by excessive sleepiness, cataplexy, and other REM sleep phenomena such as sleep paralysis and hypnagogic hallucinations. Periodic limb movement disorder is characterized by periodic episodes of repetitive and highly stereotyped limb movements that occur during sleep. Restless legs syndrome is a disorder characterized by disagreeable leg sensations that usually occur prior to sleep onset and that cause an almost irresistible urge to move the legs. Jet lag syndrome consists of varying degrees of difficulties in initiating or maintaining sleep, excessive sleepiness, decrements in subjective daytime alertness and performance, and somatic symptoms following rapid travel across multiple time zones. Shift work sleep disorder consists of symptoms of insomnia of excessive sleepiness that occur as transient phenomena in relation to work schedules. Non 24 hour sleep wake syndrome consists of a chronic steady pattern comprising one to two hour daily delays in sleep onset and wake times in an individual living in society. Sleepwalking consists of a series of complex behaviors that are initiated during slow-wave sleep and result in walking during sleep. Sleep terrors are characterized by a sudden arousal from slow wave sleep with a piercing scream of cry, accompanied by autonomic and behavioral manifestations of intense fear. Rhythmic movement disorder comprises a group of stereotyped, repetitive movements involving large muscles, usually of the head and neck. Sleep starts are sudden, brief contractions of the legs, sometimes also involving the arms and head, that occur at sleep onset. Nocturnal leg cramps are painful sensations of muscular tightness of tension, usually in the calf but occasionally in the foot, that occur during the sleep episode. Nightmares are frightening dreams that usually awaken the sleeper from REM sleep. Sleep paralysis is a common condition characterized by transient paralysis of skeletal muscles which occurs when awakening from sleep of less often while falling asleep.

Operant Conditioning: Reinforcement, Punishment, and More

Operant conditioning, also known as instrumental learning, is a theory of learning developed by B.F. Skinner. It suggests that people learn by interacting with their environment. Reinforcement and punishment are key concepts in operant conditioning. A reinforcer is a stimulus of event that increases the likelihood of a behavior being repeated. Reinforcement can be positive of negative. Positive reinforcement occurs when a behavior is strengthened by adding a rewarding stimulus, while negative reinforcement occurs when a behavior is strengthened by removing an unpleasant stimulus. A punisher is a stimulus that decreases the likelihood of a behavior being repeated. Positive punishment occurs when a behavior is reduced in frequency by adding an unpleasant stimulus, while negative punishment occurs when a behavior is reduced in frequency by removing a pleasant stimulus.

Primary reinforcers are instinctual desires such as food, water, social approval, and sex. Secondary reinforcers, also known as conditioned reinforcers, are not innately appreciated and people have to learn to like them through classical conditioning of other methods. Secondary reinforcers include things such as money. Different patterns of reinforcement have different influences on the response. There are five main reinforcement schedules: fixed interval, variable interval, fixed ratio, variable ratio, and random. Variable ratio schedules are most resistant to extinction.

Shaping and chaining are techniques used when an exact behavior cannot be performed and so cannot be rewarded. Shaping involves rewarding successive, increasingly accurate approximations to the behavior, while chaining involves breaking a complex task into smaller, more manageable sections. Escape conditioning refers to a situation whereby an aversive situation is removed after a response. It is a form of negative reinforcement. Habituation refers to the phenomenon whereby there is a decrease in response to a stimulus over time. Covert sensitization is a technique used whereby someone learns to use mental imagery to associate a behavior with a negative consequence.

Throughout his career, Szasz contended that mental illness is merely a metaphor for difficulties in human existence, and that mental illnesses lack the objective reality of physical ailments like cancer. He opposed many aspects of the contemporary psychiatric system in developed countries.

Antipsychiatry is a movement that emerged in the 1960s and challenges the traditional medical model of mental illness. It argues that mental illnesses are not biological of medical conditions but rather social constructs that reflect deviations from social norms. The movement has been associated with several famous figures, including Thomas Szasz, R.D. Laing, Michel Foucault, and Franco Basaglia. These individuals have criticized the psychiatric profession for its use of involuntary hospitalization, medication, and other forms of coercion in the treatment of mental illness. They have also advocated for alternative approaches to mental health care, such as community-based care and psychotherapy. Despite its controversial nature, the antipsychiatry movement has had a significant impact on the field of mental health and continues to influence the way we think about and treat mental illness today.

Cognitive Dissonance is a term used to describe the uncomfortable feeling that arises when there is a conflict between an individual’s attitudes, beliefs, of behaviors. This feeling can lead to a change in behavior of beliefs. The theory of cognitive dissonance suggests that people have an inner drive to maintain cognitive consistency and avoid dissonance. This drive can result in irrational of maladaptive behaviors. Dissonance can be reduced by changing attitudes, behaviors, of beliefs, acquiring new information, of reducing the importance of the cognitions. Overall, cognitive dissonance plays a significant role in shaping human behavior and decision-making.

Controversial studies in psychiatry have been a popular topic in exams. One such study was the Willowbrook School Study, where healthy children with learning difficulties were inoculated with hepatitis to assess the potential of gamma globulin to treat the disorder. Beecher’s study listed over 20 cases of mainstream research where subjects were experimented on without being fully informed of the risks. The Tuskegee syphilis experiment followed impoverished African-American sharecroppers with syphilis, and a significant proportion did not receive available treatment. Stanford’s prison experiment created a simulated prison environment where participants became their assigned roles, with guards becoming harsh and cruel to prisoners. The Tearooms Study involved Humphreys pretending to be a ‘watch queen’ to study men who have sex in public toilets, raising the issue of informed consent. Milgram’s Study investigated authority and obedience, where participants administered fake shocks to a confederate, with 30 participants continuing to administer shocks until 450 volts was reached. The Rosenhan experiment involved pseudopatients presenting themselves at institutions with the same symptoms and being admitted and diagnosed with serious mental disorders, leading to deinstitutionalisation.

Melanie Klein, a prominent psychoanalyst, introduced two significant concepts in her work: the paranoid-schizoid position and the depressive position. The paranoid-schizoid position is a state of mind where the individual perceives the world as fragmented, dividing it into good and bad. This position is characterized by the defense mechanism of splitting, where the individual separates the good and bad aspects of themselves and others.

On the other hand, the depressive position follows the paranoid-schizoid position and is characterized by the ability to accept ambivalence, where something can be both good and bad. This position represents a more integrated state of mind, where the individual can hold conflicting emotions and thoughts simultaneously. These concepts have been influential in psychoanalytic theory and have contributed to our understanding of the human psyche.

Operant Conditioning: Reinforcement, Punishment, and More

Operant conditioning, also known as instrumental learning, is a theory of learning developed by B.F. Skinner. It suggests that people learn by interacting with their environment. Reinforcement and punishment are key concepts in operant conditioning. A reinforcer is a stimulus of event that increases the likelihood of a behavior being repeated. Reinforcement can be positive of negative. Positive reinforcement occurs when a behavior is strengthened by adding a rewarding stimulus, while negative reinforcement occurs when a behavior is strengthened by removing an unpleasant stimulus. A punisher is a stimulus that decreases the likelihood of a behavior being repeated. Positive punishment occurs when a behavior is reduced in frequency by adding an unpleasant stimulus, while negative punishment occurs when a behavior is reduced in frequency by removing a pleasant stimulus.

Primary reinforcers are instinctual desires such as food, water, social approval, and sex. Secondary reinforcers, also known as conditioned reinforcers, are not innately appreciated and people have to learn to like them through classical conditioning of other methods. Secondary reinforcers include things such as money. Different patterns of reinforcement have different influences on the response. There are five main reinforcement schedules: fixed interval, variable interval, fixed ratio, variable ratio, and random. Variable ratio schedules are most resistant to extinction.

Shaping and chaining are techniques used when an exact behavior cannot be performed and so cannot be rewarded. Shaping involves rewarding successive, increasingly accurate approximations to the behavior, while chaining involves breaking a complex task into smaller, more manageable sections. Escape conditioning refers to a situation whereby an aversive situation is removed after a response. It is a form of negative reinforcement. Habituation refers to the phenomenon whereby there is a decrease in response to a stimulus over time. Covert sensitization is a technique used whereby someone learns to use mental imagery to associate a behavior with a negative consequence.

Power Theory

French and Raven (1959) developed the 5 base theory of power, which identifies five types of power. These include legitimate power, which is held by an individual in an organization, referent power, which is held by a person with charisma who people gravitate towards, expert power, which is held by a person with specialist skills of knowledge, reward power, which is held by a person in a position to provide rewards, and coercive power, which is held by a person who has the ability to apply negative influences such as demotion. Other terms to be aware of include outcome power, which is the power of a person to bring about outcomes, social power, which is the power of a person to influence others so that they will bring about outcomes, and counterpower, which is the power of the oppressed to counterbalance the elite.

Stigma is a term used to describe the negative attitudes and beliefs that people hold towards individuals who are different from them. There are several types of stigma, including discredited and discreditable stigma, felt stigma, enacted stigma, and courtesy stigma. Discredited stigma refers to visible stigmas such as race, gender, of physical disability, while discreditable stigma refers to concealable stigmas such as mental illness of HIV infection. Felt stigma is the shame and fear of discrimination that prevents people from seeking help, while enacted stigma is the experience of unfair treatment by others. Finally, courtesy stigma refers to the stigma that attaches to those who are associated with a stigmatized person.

Ishaq bin Ali Rahawi tackled ethical concerns in the field of medicine in his work, Adab al-Tabib (Conduct of a Physician), during the 9th century.

Ethical theory and principles are important in medical ethics. There are three key ethical theories that have dominated medical ethics: utilitarianism, deontological, and virtue-based. Utilitarianism is based on the greatest good for the greatest number and is a consequentialist theory. Deontological ethics emphasize moral duties and rules, rather than consequences. Virtue ethics is based on the ethical characteristics of a person and is associated with the concept of a good, happy, flourishing life.

More recent frameworks have attempted to reconcile different theories and values. The ‘four principles’ of ‘principlism’ approach, developed in the United States, is based on four common, basic prima facie moral commitments: autonomy, beneficence, non-maleficence, and justice. Autonomy refers to a patient’s right to make their own decisions, beneficence refers to the expectation that a doctor will act in a way that will be helpful to the patient, non-maleficence refers to the fact that doctors should avoid harming their patients, and justice refers to the expectation that all people should be treated fairly and equally.

Theories of aggression can be categorized into three main perspectives: psychodynamic, sociological/drive, and cognitive and learning. Psychodynamic theory, proposed by Freud, suggests that aggression arises from a primary instinct called thanatos, which aims for destruction and death. Sociobiological/drive theory, proposed by Lorenz, suggests that aggression is instinctual and necessary for survival, and that stronger genes are selected through aggression. Cognitive and learning theory, proposed by Berkowitz, Rotter, Bandura, and Anderson, suggests that aggression can be learned through observational learning and is influenced by environmental factors. Bandura’s work introduced the concept of reciprocal determinism, which suggests that behavior is influenced by both the environment and the individual’s behavior. Rotter’s social learning theory emphasizes the interaction between the individual and their environment, while Anderson and Bushman’s general aggression model considers the role of social, cognitive, developmental, and biological factors on aggression.

Memory Forms

Memory is the ability to store, retain, and retrieve information. There are different forms of memory, including sensory memory, short-term/working memory, and long-term memory.

Sensory memory is the capacity for briefly retaining the large amounts of information that people encounter daily. It includes echoic memory (gathered through auditory stimuli), iconic memory (gathered through sight), and haptic memory (acquired through touch).

Short-term memory is the ability to keep a small amount of information available for a short period of time. Atkinson and Shiffrin’s multistore model (1968) suggests the existence of a short-term storehouse with limited capacity. Baddeley and Hitch (1974) further developed the concept of short-term memory, which eventually became known as Baddeley’s multi-storehouse model (2000). This model includes the central executive, visuospatial sketchpad, phonological buffer/loop, and episodic buffer.

Long-term memory includes declarative (of explicit) memories, which can be consciously retrieved, and nondeclarative (of implicit) memories, which cannot. Declarative memory includes episodic memory (stores personal experiences) and semantic memory (stores information about facts and concepts). Non-declarative memory includes procedural memory (recalls motor and executive skills), associative memory (storage and retrieval of information through association with other information), and non-associative memory (refers to newly learned behavior through repeated exposure to an isolated stimulus).

Overall, memory is a complex and essential cognitive function that plays a crucial role in learning, reasoning, and understanding.

Melanie Klein, a prominent psychoanalyst, introduced two significant concepts in her work: the paranoid-schizoid position and the depressive position. The paranoid-schizoid position is a state of mind where the individual perceives the world as fragmented, dividing it into good and bad. This position is characterized by the defense mechanism of splitting, where the individual separates the good and bad aspects of themselves and others.

On the other hand, the depressive position follows the paranoid-schizoid position and is characterized by the ability to accept ambivalence, where something can be both good and bad. This position represents a more integrated state of mind, where the individual can hold conflicting emotions and thoughts simultaneously. These concepts have been influential in psychoanalytic theory and have contributed to our understanding of the human psyche.

The Goldstein-Scheerer Object Sorting Test for Assessing Abstract Thinking

The Goldstein-Scheerer Object Sorting test is a diagnostic tool used to evaluate abstract thinking and the ability to form concepts. This test requires patients to sort objects based on their colour of material, as well as copy block patterns using coloured cubes. The test is primarily used to diagnose neurological problems. By assessing a patient’s ability to sort objects and form concepts, doctors can gain insight into their cognitive abilities and identify any potential neurological issues. The Goldstein-Scheerer Object Sorting test is an effective tool for evaluating abstract thinking and cognitive function.

Operant Conditioning: Reinforcement, Punishment, and More

Operant conditioning, also known as instrumental learning, is a theory of learning developed by B.F. Skinner. It suggests that people learn by interacting with their environment. Reinforcement and punishment are key concepts in operant conditioning. A reinforcer is a stimulus of event that increases the likelihood of a behavior being repeated. Reinforcement can be positive of negative. Positive reinforcement occurs when a behavior is strengthened by adding a rewarding stimulus, while negative reinforcement occurs when a behavior is strengthened by removing an unpleasant stimulus. A punisher is a stimulus that decreases the likelihood of a behavior being repeated. Positive punishment occurs when a behavior is reduced in frequency by adding an unpleasant stimulus, while negative punishment occurs when a behavior is reduced in frequency by removing a pleasant stimulus.

Primary reinforcers are instinctual desires such as food, water, social approval, and sex. Secondary reinforcers, also known as conditioned reinforcers, are not innately appreciated and people have to learn to like them through classical conditioning of other methods. Secondary reinforcers include things such as money. Different patterns of reinforcement have different influences on the response. There are five main reinforcement schedules: fixed interval, variable interval, fixed ratio, variable ratio, and random. Variable ratio schedules are most resistant to extinction.

Shaping and chaining are techniques used when an exact behavior cannot be performed and so cannot be rewarded. Shaping involves rewarding successive, increasingly accurate approximations to the behavior, while chaining involves breaking a complex task into smaller, more manageable sections. Escape conditioning refers to a situation whereby an aversive situation is removed after a response. It is a form of negative reinforcement. Habituation refers to the phenomenon whereby there is a decrease in response to a stimulus over time. Covert sensitization is a technique used whereby someone learns to use mental imagery to associate a behavior with a negative consequence.

The Significance of the Declaration of Helsinki in Biomedical Research Ethics

The Declaration of Helsinki, created by the World Medical Association in 1964, outlines the fundamental ethical principles that govern biomedical research involving human subjects. Over the years, it has undergone several revisions and continues to serve as a cornerstone of good medical practice. Its importance lies in its ability to provide a framework for ethical decision-making in research, ensuring that the rights, safety, and well-being of human subjects are protected. The Declaration of Helsinki is a crucial document that guides researchers, clinicians, and policymakers in their efforts to conduct ethical and responsible research.

Understanding Amnesia: Types and Causes

Amnesia is a memory deficit that can be categorized into two types: anterograde and retrograde. Anterograde amnesia refers to the inability to create new memories, while retrograde amnesia refers to the loss of memory for information acquired before the onset of amnesia. The damage to the hippocampus and medial temporal lobe is often associated with amnesia. Source amnesia is the inability to remember where of how previously learned information was acquired. Psychogenic amnesia is characterized by sudden retrograde episodic memory loss, while semantic amnesia affects semantic memory and language use. Transient global amnesia is a condition that affects those over 50 and spontaneously resolves within 24 hours, with no clear cause identified. Understanding the types and causes of amnesia can help in its diagnosis and treatment.

The Four Core Components of Language

Language is a complex system of communication that involves various components. The four core components of language are semantics, syntax, pragmatics, and phonology. Each of these components plays a crucial role in the way we use language to convey meaning and interact with others.

Semantics refers to the meaning of words and how they are used in context. It involves understanding the relationships between words and their meanings, as well as the nuances of language. For example, the word run can have different meanings depending on the context in which it is used.

Syntax refers to the rules that govern the structure of sentences and how words are arranged to convey meaning. It involves understanding the order of words, phrases, and clauses in a sentence, as well as the use of punctuation and other grammatical structures.

Pragmatics refers to the social and cultural aspects of language use. It involves understanding the context in which language is used, as well as the social norms and expectations that govern communication. For example, the way we speak to our friends may be different from the way we speak to our boss.

Phonology refers to the sounds of language and how they are used to convey meaning. It involves understanding the different sounds of language, as well as the rules that govern their use. For example, the sound p in pat is different from the sound b in bat, and these differences can change the meaning of a word.

In summary, the four core components of language are essential for effective communication. By understanding these components, we can better understand how language works and use it more effectively in our interactions with others.

Erving Goffman was a prominent sociologist who made significant contributions to the field. He is well-known for his works such as The Presentation of Self in Everyday Life, Asylums, and Stigma. In fact, he is credited with introducing the term stigma into the sociological lexicon. Goffman’s ideas and theories have had a lasting impact on the study of sociology and continue to be studied and applied today.

All the other choices are components of the WAIS (Wechsler Adult Intelligence Scale).

Thurstone’s Theory of Intelligence

Louis Leon Thurstone believed that intelligence could not be reduced to a single factor. Instead, he proposed that intelligence is composed of seven distinct abilities, which he called the primary abilities. These abilities include word fluency, verbal comprehension, spatial visualization, number facility, associative memory, reasoning, and perceptual speed. According to Thurstone, each of these abilities is independent of the others and contributes to an individual’s overall intelligence. This theory challenged the prevailing view of intelligence at the time, which held that intelligence could be measured by a single factor known as the g factor. Thurstone’s theory has had a lasting impact on the field of psychology and has influenced the development of modern intelligence tests.

The Importance of Culture and its Impact on Individuals

Culture plays a vital role in society by providing consistency and organization to its patterns and components over generations. It helps to manage diversity and balance the forces of stability and conformity with those of change and innovation. By classifying phenomena into categories such as good and bad, right and wrong, healthy and sick, and desirable and undesirable, culture provides individuals with behavioral guidelines and an interpretation of life events.

When adults, such as migrants of refugees, fully adopt the culture of a host society and lose their own cultural identity, they are said to be assimilated. However, in acculturation, individuals take on some aspects of the host culture while retaining their own cultural identity.

Culture is learned through various means, including contact with family, friends, classmates, teachers, significant persons, and the media. This process is known as enculturation.

Accommodation refers to the reconciliation of differences, while sojourning involves staying as a temporary resident.

Social Class and Mental Disorder

There is a consistent finding that shows an inverse relationship between social class and rates of mental illness. This means that individuals from lower social classes are more likely to experience mental health issues compared to those from higher social classes. However, this inverse relationship is not observed in the case of anorexia nervosa. This suggests that factors other than social class may play a more significant role in the development of this particular disorder. Overall, the relationship between social class and mental health is complex and requires further investigation to fully understand the underlying factors.

The Gudjonsson Suggestibility Scale

The Gudjonsson Suggestibility Scale is a tool used to measure suggestibility in individuals. It involves reading a story to participants, who are then asked to recall as much as they can remember. Afterward, participants are asked 20 questions related to the story, 15 of which are misleading. Once the questions have been answered, participants are given negative feedback on their performance and told that they made several errors. They are then asked to repeat the questions to obtain more accurate answers. Based on the participants’ responses to the misleading questions, a total suggestibility score can be calculated. This scale is useful in understanding how easily individuals can be influenced of manipulated by external factors.

The term phatic communication is used to describe casual conversation. The ‘cocktail party effect’ is the ability to concentrate on one person’s voice in any setting, such as a classroom, sports game, of coffee shop, even if there is a lot of background noise.

The Cocktail Party Effect: Selective Attention in Noisy Environments

The cocktail party effect is a phenomenon that allows individuals to selectively focus on a single conversation in a noisy environment, while ignoring other competing conversations. This feature of selective attention is particularly useful in social situations, such as parties, where multiple conversations are taking place simultaneously. For instance, if you are conversing with a friend at a noisy party, you can effectively tune out the surrounding noise and concentrate on your friend’s conversation. This ability to filter out irrelevant information and focus on relevant information is a crucial aspect of human cognition. It enables us to navigate complex social environments and engage in meaningful interactions with others.

History of major works in psychiatry
Michel Foucault – Madness and civilization
Sigmund Freud – The interpretation of dreams, Beyond the Pleasure Principle, The Psychopathology of everyday life
Thomas Szasz – The myth of mental illness
Erving Goffman – Asylums, The Presentation of Self in Everyday Life
Ronald Laing – The divided self
Emile Durkheim – Le suicide. Durkheim proposed social causes for suicide. Until his work was published, suicide had been thought of as an individual act only.
Tom Main – The Ailment
Jerome Frank – Persuasion and Healing
George Brown and Tirril Harris – Social origins of depression