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Questions and Answers
What is the most widely accepted definition of psychological disorders as per DSM-5?
What is the most widely accepted definition of psychological disorders as per DSM-5?
What is the term for the scientific study of psychological disorders?
What is the term for the scientific study of psychological disorders?
Psychopathology
Psychiatrists first specialize in psychiatry during medical school.
Psychiatrists first specialize in psychiatry during medical school.
False
Hippocrates considered the brain to be the seat of _______, consciousness, intelligence, and emotion.
Hippocrates considered the brain to be the seat of _______, consciousness, intelligence, and emotion.
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According to Hippocrates, the concept of hysteria originated from which ancient civilization?
According to Hippocrates, the concept of hysteria originated from which ancient civilization?
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Louis Pasteur's germ theory of disease helped identify the specific bacterial microorganism that causes syphilis.
Louis Pasteur's germ theory of disease helped identify the specific bacterial microorganism that causes syphilis.
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Emil Kraepelin, a founding father of modern psychiatry, was highly influential in advocating the major ideas of the ________ tradition.
Emil Kraepelin, a founding father of modern psychiatry, was highly influential in advocating the major ideas of the ________ tradition.
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Match the brain structure with its function:
Match the brain structure with its function:
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What concept is associated with individuals inheriting vulnerabilities to certain traits or behaviors activated under stress?
What concept is associated with individuals inheriting vulnerabilities to certain traits or behaviors activated under stress?
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Which part of the brain is chiefly responsible for verbal and other cognitive processes?
Which part of the brain is chiefly responsible for verbal and other cognitive processes?
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The limbic system regulates emotional experiences and expressions, and our ability to learn and control our impulses.
The limbic system regulates emotional experiences and expressions, and our ability to learn and control our impulses.
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What structures are included in the limbic system?
What structures are included in the limbic system?
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The cortex contains more than 80% of all neurons in the central nervous system.
The cortex contains more than 80% of all neurons in the central nervous system.
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Match the neurotransmitters with their descriptions:
Match the neurotransmitters with their descriptions:
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What is the term used to describe the feeling state that accompanies what we say at a given point?
What is the term used to describe the feeling state that accompanies what we say at a given point?
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Which components are emotion composed of, according to emotion scientists?
Which components are emotion composed of, according to emotion scientists?
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Learned helplessness occurs when animals encounter conditions over which they have control.
Learned helplessness occurs when animals encounter conditions over which they have control.
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The alarm reaction that activates during potentially life-threatening emergencies is called the ______ response.
The alarm reaction that activates during potentially life-threatening emergencies is called the ______ response.
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What is the purpose of clinical assessment?
What is the purpose of clinical assessment?
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What is epidemiology primarily focused on?
What is epidemiology primarily focused on?
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Placebo effect occurs when behavior changes due to an experimenter's manipulation.
Placebo effect occurs when behavior changes due to an experimenter's manipulation.
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Endophenotypes are the genetic mechanisms contributing to the underlying problems causing the symptoms of _______ disorders.
Endophenotypes are the genetic mechanisms contributing to the underlying problems causing the symptoms of _______ disorders.
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Match the genetic analysis strategy with its description:
Match the genetic analysis strategy with its description:
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What is the main focus of universal prevention strategies?
What is the main focus of universal prevention strategies?
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What is the sex ratio among common fears with a couple of exceptions?
What is the sex ratio among common fears with a couple of exceptions?
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What is the median age of onset for specific phobia?
What is the median age of onset for specific phobia?
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Children usually refuse to go to school because they are afraid of separation from loved ones.
Children usually refuse to go to school because they are afraid of separation from loved ones.
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The prevalence of Social Anxiety Disorder (SAD) in a given 1-year period is ____%.
The prevalence of Social Anxiety Disorder (SAD) in a given 1-year period is ____%.
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Match the trauma-and stressor-related disorder with its description:
Match the trauma-and stressor-related disorder with its description:
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What are the common characteristics of GAD?
What are the common characteristics of GAD?
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In most cases of GAD, panic attacks are commonly experienced.
In most cases of GAD, panic attacks are commonly experienced.
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What is the median age of onset for GAD according to interviews?
What is the median age of onset for GAD according to interviews?
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What type of treatment is commonly prescribed for GAD?
What type of treatment is commonly prescribed for GAD?
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What are some cognitive and emotional abnormalities associated with hoarding?
What are some cognitive and emotional abnormalities associated with hoarding?
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What is the main focus of panic control treatment (PCT)?
What is the main focus of panic control treatment (PCT)?
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What is another term for Hair Pulling Disorder?
What is another term for Hair Pulling Disorder?
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What is the primary behavior associated with Excoriation?
What is the primary behavior associated with Excoriation?
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Both Trichotillomania and Excoriation were previously classified under impulse control disorders.
Both Trichotillomania and Excoriation were previously classified under impulse control disorders.
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The urge to pull out one's own hair is known as ____________.
The urge to pull out one's own hair is known as ____________.
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Which neurobiological system is particularly involved in PTSD?
Which neurobiological system is particularly involved in PTSD?
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In psychoanalytic therapy, reliving emotional trauma to relieve emotional suffering is known as catharsis.
In psychoanalytic therapy, reliving emotional trauma to relieve emotional suffering is known as catharsis.
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What is the most common strategy used with adolescents or adults to work through the content of a traumatic experience?
What is the most common strategy used with adolescents or adults to work through the content of a traumatic experience?
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In Obsessive-Compulsive Disorder (OCD), obsessions with ______ lead to washing rituals.
In Obsessive-Compulsive Disorder (OCD), obsessions with ______ lead to washing rituals.
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Match the following characteristics with the disorder: Hoarding Disorder
Match the following characteristics with the disorder: Hoarding Disorder
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What is the term used to describe the alarm reaction that activates during potentially life-threatening emergencies?
What is the term used to describe the alarm reaction that activates during potentially life-threatening emergencies?
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What is the process of determining whether an individual's problem meets the criteria for a psychological disorder?
What is the process of determining whether an individual's problem meets the criteria for a psychological disorder?
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What is the term used to describe the feeling state that accompanies what we say at a given point?
What is the term used to describe the feeling state that accompanies what we say at a given point?
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What is the principle of equifinality used in?
What is the principle of equifinality used in?
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What is the type of neuroimaging technique that uses multiple X-ray exposures of the brain from different angles?
What is the type of neuroimaging technique that uses multiple X-ray exposures of the brain from different angles?
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What is the term used to describe the systematic evaluation and measurement of psychological, biological, and social factors in an individual presenting with a possible psychological disorder?
What is the term used to describe the systematic evaluation and measurement of psychological, biological, and social factors in an individual presenting with a possible psychological disorder?
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What are the three related components of emotion, according to emotion scientists?
What are the three related components of emotion, according to emotion scientists?
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What is the type of neuroimaging technique that gives greater resolution than a CT scan without the inherent risks of X-ray tests?
What is the type of neuroimaging technique that gives greater resolution than a CT scan without the inherent risks of X-ray tests?
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Which part of the brain is associated with motor coordination and has been linked to autism?
Which part of the brain is associated with motor coordination and has been linked to autism?
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What is the primary function of the midbrain?
What is the primary function of the midbrain?
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Which structure is responsible for relaying information between the forebrain and the lower areas of the brain stem?
Which structure is responsible for relaying information between the forebrain and the lower areas of the brain stem?
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What is the main function of the limbic system?
What is the main function of the limbic system?
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Which structure is named for its approximate shape and is involved in regulating emotional experiences and expressions?
Which structure is named for its approximate shape and is involved in regulating emotional experiences and expressions?
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What is the primary function of the basal ganglia?
What is the primary function of the basal ganglia?
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What is the primary function of the cerebral cortex?
What is the primary function of the cerebral cortex?
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What percentage of all neurons in the central nervous system are found in the cerebral cortex?
What percentage of all neurons in the central nervous system are found in the cerebral cortex?
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What was the concept of bloodletting used to treat in ancient medicine?
What was the concept of bloodletting used to treat in ancient medicine?
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In ancient Chinese medicine, what was believed to cause unexplained mental disorders?
In ancient Chinese medicine, what was believed to cause unexplained mental disorders?
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Who coined the term 'hysteria' to describe a concept learned from the Egyptians?
Who coined the term 'hysteria' to describe a concept learned from the Egyptians?
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What is the name of the bacterial microorganism that causes syphilis, identified through Louis Pasteur's germ theory of disease?
What is the name of the bacterial microorganism that causes syphilis, identified through Louis Pasteur's germ theory of disease?
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What was John P. Grey's position on the causes of insanity?
What was John P. Grey's position on the causes of insanity?
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What was the treatment approach used in ancient China to restore proper flow of 'wind'?
What was the treatment approach used in ancient China to restore proper flow of 'wind'?
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What was the recommended treatment for depression in Robert Burton's 'Anatomy of Melancholy'?
What was the recommended treatment for depression in Robert Burton's 'Anatomy of Melancholy'?
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What was the concept of 'humors' used to describe in ancient medicine?
What was the concept of 'humors' used to describe in ancient medicine?
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What is the primary goal of cognitive therapy in treating PTSD?
What is the primary goal of cognitive therapy in treating PTSD?
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Which type of medication has been shown to be helpful for PTSD?
Which type of medication has been shown to be helpful for PTSD?
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What is the main characteristic of adjustment disorders?
What is the main characteristic of adjustment disorders?
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What is the primary cause of attachment disorders in children?
What is the primary cause of attachment disorders in children?
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What is a characteristic of reactive attachment disorder?
What is a characteristic of reactive attachment disorder?
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What is the primary difference between adjustment disorders and PTSD?
What is the primary difference between adjustment disorders and PTSD?
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What is the main goal of treatment for PTSD?
What is the main goal of treatment for PTSD?
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What is the primary focus of treatment for adjustment disorders?
What is the primary focus of treatment for adjustment disorders?
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What is the central feature of Body Dysmorphic Disorder (BDD)?
What is the central feature of Body Dysmorphic Disorder (BDD)?
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Which of the following is a common consequence of BDD?
Which of the following is a common consequence of BDD?
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Why is the prevalence of BDD difficult to estimate?
Why is the prevalence of BDD difficult to estimate?
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What is a characteristic of men with BDD?
What is a characteristic of men with BDD?
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At what age does BDD typically peak?
At what age does BDD typically peak?
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What is a treatment for BDD that has been shown to be effective?
What is a treatment for BDD that has been shown to be effective?
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What is the relationship between BDD and OCD?
What is the relationship between BDD and OCD?
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What is a characteristic of women with BDD?
What is a characteristic of women with BDD?
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Study Notes
Abnormal Behavior in Historical Context
- Abnormal behavior is a psychological dysfunction within an individual associated with distress or impairment in functioning, and a response that is not typical or culturally expected.
- This concept is defined by the DSM-5, which describes behavioral, psychological, or biological dysfunctions that are unexpected in their cultural context and associated with present distress and impairment in functioning, or increased risk of suffering, death, pain, or impairment.
Historical Conceptions of Abnormal Behavior
- The supernatural tradition: humans believed that agents outside their bodies and environment influence their behavior, thinking, and emotions.
- During the Middle Ages, abnormal behavior was seen as the work of the devil and witches, and treatments included exorcism, rituals, and torture.
- The biological tradition: Hippocrates and Galen suggested that psychological disorders could be treated like any other disease, and that the brain is the seat of wisdom, consciousness, intelligence, and emotion.
- The humoral theory of disorders: Hippocrates believed that normal brain functioning was related to four bodily fluids or humors: blood, black bile, yellow bile, and phlegm.
- In ancient China, a similar idea existed, but instead of "humors," they focused on the movement of air or "wind" throughout the body.
The Biological Tradition
- Hippocrates also coined the word hysteria to describe a concept he learned about from the Egyptians, which is now known as somatic symptom disorders.
- The Roman physician Galen adopted the ideas of Hippocrates and developed them further, creating a powerful and influential school of thought within the biological tradition.
- In the 19th century, the biological tradition continued to evolve, with the development of the germ theory of disease and the identification of the specific bacterial microorganism that caused syphilis.
- In the 20th century, the biological tradition led to the development of physical interventions such as electric shock and brain surgery.
The Psychological Tradition
- The psychological tradition emerged in the 19th century, with a focus on moral therapy, which included treating institutionalized patients as normally as possible in a setting that encouraged and reinforced normal social interaction.
- Moral therapy originated with Philippe Pinel and Jean-Baptiste Pussin, and was later introduced in the United States by Benjamin Rush.
- The rise of moral therapy in Europe and the United States made asylums habitable and even therapeutic.
- Unfortunately, humane treatment declined in the late 19th century due to the convergence of factors, including the growth of asylums and the crusade of Dorothea Dix.
An Integrative Approach to Psychopathology
- No influence operates in isolation, and each dimension (biological or psychological) is strongly influenced by the others and by development, and they weave together in various complex and intricate ways to create a psychological disorder.
- Examples of integrative approaches include Huntington's disease, a degenerative brain disease caused by a genetic defect, and phenylketonuria (PKU), a disorder caused by the inability of the body to metabolize phenylalanine.
- Linkage studies and the diathesis-stress model are also used to understand the interaction between genes and environment in the development of psychological disorders.### Gene-Environment Interaction
- The development of a disorder is influenced by a combination of genetic vulnerability and life stress.
- The smaller the genetic vulnerability, the greater the life stress required to produce the disorder.
- Conversely, with greater genetic vulnerability, less life stress is required.
The Nervous System
- The human nervous system consists of the central nervous system (brain and spinal cord) and the peripheral nervous system.
- The peripheral nervous system coordinates with the brain stem to ensure proper body function.
- The peripheral nervous system has two major components: the somatic nervous system and the autonomic nervous system.
Central Nervous System
- The brain stem is the lower, more ancient part of the brain, handling essential automatic functions like breathing, sleeping, and movement.
- The forebrain is more advanced and evolved more recently, responsible for higher cognitive functions.
- The brain stem consists of the hindbrain, midbrain, and thalamus/hypothalamus.
- The hindbrain regulates automatic activities, such as breathing, heartbeat, and digestion.
- The midbrain coordinates movement with sensory input and contains parts of the reticular activating system.
- The thalamus and hypothalamus are involved in regulating behavior and emotion.
Forebrain
- The forebrain is divided into the limbic system, basal ganglia, and cerebral cortex.
- The limbic system includes structures like the hippocampus, cingulate gyrus, septum, and amygdala, which regulate emotional experiences and expressions.
- The basal ganglia are involved in motor control and may be associated with motor activity.
- The cerebral cortex is the largest part of the forebrain, containing over 80% of all neurons in the central nervous system.
- The cerebral cortex is divided into four lobes: temporal, parietal, occipital, and frontal.
Lobes of the Cerebral Cortex
- The temporal lobe is associated with recognizing sights and sounds and long-term memory storage.
- The parietal lobe is associated with recognizing sensations of touch and monitoring body positioning.
- The occipital lobe is associated with integrating and making sense of visual inputs.
- The frontal lobe is responsible for higher cognitive functions, such as thinking, reasoning, and planning.
Neurotransmitters
- Neurotransmitters are chemical messengers that transmit signals between neurons.
- Agonists, antagonists, and inverse agonists are used to study neurotransmitter function.
- Reuptake is the process by which a neurotransmitter is drawn back into the neuron after transmission.
Amino-Acid Neurotransmitters
- Glutamate is an excitatory neurotransmitter that stimulates neurons.
- GABA (gamma-aminobutyric acid) is an inhibitory neurotransmitter that regulates the transmission of information.
- The GABA system is involved in reducing anxiety, anger, and aggression.
- Minor tranquilizers, like benzodiazepines, work by increasing GABA's attachment to neuron receptors.
Monoamine Neurotransmitters
- Serotonin (5-hydroxytryptamine, 5HT) is involved in regulating behavior, moods, and thought processes.
- Low serotonin activity is associated with aggression, impulsivity, and suicide.
- Selective-serotonin reuptake inhibitors (SSRIs) are used to treat psychological disorders, such as anxiety, mood, and eating disorders.
- Norepinephrine (noradrenaline) is involved in regulating behavioral tendencies and is associated with panic and emergency reactions.
- Dopamine is involved in the pathophysiology of schizophrenia, addiction, depression, and attention deficit hyperactivity disorder.
- Dopamine circuits are associated with exploratory, outgoing, and pleasure-seeking behaviors.
Cognitive Science
- Cognitive science is concerned with how we acquire, process, and store information.
- Cognitive science is involved in the study of memory, learning, and behavioral tendencies.
Clinical Assessment and Diagnosis
- Clinical assessment is the systematic evaluation of psychological, biological, and social factors in an individual.
- Diagnosis is the process of determining whether an individual's problem meets the criteria for a psychological disorder.
- Affect refers to the feeling state that accompanies what we say.
- Neuroimaging techniques, such as CT, MRI, PET, SPECT, and fMRI, are used to assess brain structure and functioning.### EEG and ERP
- In an electroencephalogram (EEG), electrodes are placed on the scalp to record low-voltage currents
- Event-related potential (ERP) is a brief EEG pattern recorded in response to specific events, such as hearing a psychologically meaningful stimulus
Research Strategies
- Idiographic strategy: studies unique aspects of an individual's personality, cultural background, or circumstances
- Nomothetic strategy: determines a general class of problems to which a presenting problem belongs, and uses classification to group similar problems
Classification and Taxonomy
- Classification: assigning objects or people to categories based on shared attributes or relations
- Taxonomy: classification of entities for scientific purposes
- Nosology: classification of psychological or medical phenomena or disorders
- Nomenclature: names or labels of disorders that make up a nosology
History of DSM
- First Diagnostic and Statistical Manual (DSM-I) published in 1952
- DSM-II published in 1968
- DSM-III published in 1980, with significant changes:
- Atheoretical approach to diagnosis
- Precise descriptions of disorders for reliability and validity
- Multiaxial system for rating severity and other factors
- DSM-IV published in 1994, with changes to the multiaxial system
- DSM-IV-TR published in 2000, with updates to research literature and diagnostic criteria
- DSM-5 published in 2013, with significant changes:
- Removal of the multiaxial system
- Use of dimensional axes for rating severity and other factors
- Changes to diagnosis and classification of disorders
Comorbidity and Research Methods
- Comorbidity: diagnosis of multiple psychological disorders at the same time
- Correlational research: studies the relationship between variables without manipulating them
- Epidemiology: study of the incidence, distribution, and consequences of a particular problem or set of problems
- Placebo effect: behavior change due to expectation of change, rather than actual manipulation
- Comparative treatment research: compares different treatments to determine their effectiveness
- Single-case experimental design: studies a single case or participant to determine the effectiveness of a treatment
Endophenotypes and Genetic Linkage
- Endophenotypes: genetic mechanisms that contribute to underlying problems causing symptoms and difficulties
- Genetic linkage analysis: studies the inheritance of disorders and other inherited characteristics to identify specific genes
- Association studies: compares genetic markers in people with a disorder to those without the disorder
Prevention Intervention Strategies
- Health promotion or positive development strategies: blanket entire populations to prevent problems and promote protective behaviors
- Universal prevention strategies: target specific risk factors in entire populations
- Selective prevention strategies: target specific groups at risk
- Indicated prevention strategies: target individuals showing signs of problems
Anxiety and Related Disorders
- Anxiety: negative mood state characterized by bodily symptoms of physical tension and apprehension about the future
- Fear: immediate emotional reaction to current danger
- Panic attack: abrupt experience of intense fear or acute discomfort, accompanied by physical symptoms
- Two types of panic attacks: expected and unexpected
- Biological contributions: multiple genes, GABA, noradrenergic, serotonergic, and corticotropin-releasing factor (CRF) systems
- Limbic system: mediator between brain stem and cortex, involved in anxiety
- Behavioral inhibition system (BIS): brain circuit involved in anxiety
- Fight/flight system (FFS): brain circuit involved in panic
Psychological Contributions
- Freud: anxiety as a psychic reaction to danger
- Behavioral theorists: anxiety as a product of early classical conditioning, modeling, or other forms of learning
- Sense of uncontrollability: develops early as a function of upbringing and environmental factors
Social Contributions
- Stressful life events: trigger biological and psychological vulnerabilities to anxiety
- Social and interpersonal factors: marriage, divorce, difficulties at work, death of a loved one, and so on
- DSM-5: makes explicit the co-occurrence of panic attacks with certain medical conditions
Historical Perspectives on Mental Illness
- In ancient times, bloodletting was a common practice to treat mental disorders, involving the removal of a carefully measured amount of blood from the body, often with leeches.
- The concept of "humors" was prevalent in ancient Greece, where unexplained mental disorders were believed to be caused by an imbalance of four fluids (blood, phlegm, yellow bile, and black bile) in the body.
- In ancient China, the focus was on the movement of air or "wind" throughout the body, where blockages of wind or the presence of cold, dark wind (yin) as opposed to warm, life-sustaining wind (yang) were believed to cause mental disorders.
- Hippocrates coined the word "hysteria" to describe a concept he learned about from the Egyptians, which is now known as somatic symptom disorders.
Biological Approaches
- The cerebellum controls motor coordination, and abnormalities in the cerebellum may be associated with autism.
- The midbrain coordinates movement with sensory input and contains parts of the reticular activating system, which contributes to processes of arousal and tension.
- The thalamus and hypothalamus are involved in regulating behavior and emotion, functioning as a relay between the forebrain and the remaining lower areas of the brain stem.
- The limbic system, located at the base of the forebrain, regulates emotional experiences and expressions, and is involved with basic drives such as sex, aggression, hunger, and thirst.
Clinical Assessment and Diagnosis
- Clinical assessment is the systematic evaluation and measurement of psychological, biological, and social factors in an individual presenting with a possible psychological disorder.
- Diagnosis is the process of determining whether the particular problem afflicting the individual meets all criteria for a psychological disorder, as set forth in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5).
- Affect refers to the feeling state that accompanies what we say at a given point.
Neuroimaging Techniques
- Computerized axial tomography (CAT) scan or CT scan uses multiple X-ray exposures of the brain from different angles to reconstruct pictures of various slices of the brain.
- Nuclear magnetic resonance imaging (MRI) is a more recently developed procedure that gives greater resolution than a CT scan without the inherent risks of X-ray tests.
Disorders
- Adjustment disorders describe anxious or depressive reactions to life stress that are generally milder than one would see in acute stress disorder or PTSD.
- Attachment disorders refer to disturbed and developmentally inappropriate behaviors in children, emerging before five years of age, in which the child is unable or unwilling to form normal attachment relationships with caregiving adults.
- Body Dysmorphic Disorder (BDD) is a psychological disorder characterized by a preoccupation with a perceived flaw in one's appearance, leading to repetitive behaviors such as mirror checking and skin picking.
- BDD is more closely related to Obsessive-Compulsive Disorder (OCD) than somatoform disorders, and is now classified as an obsessive-compulsive and related disorder in DSM-5.
- Suicide ideation, attempts, and suicide itself are typical consequences of BDD.
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Review key concepts and theories in Abnormal Psychology with a focus on historical context and psychological disorders. Test your knowledge with this quiz!