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abnormal psychology/ psychopathology
the subfield of psychology devoted to the study of mental disorders
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reliability
the consistenct of a test, measurment, or category system
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validity
the accuracy of a test, measurement, or category system
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precipitating causes
the immediate trigger or pricipitate of an event
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predisposing causes
the underlying processes that create conditions making it possible for a precipitating cause to trigger an event
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animism
belief in the existence and power of a spirit world
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humours
four bodily fluids believed, by hippocrates and greek doctors, to control health and disease
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hysteria
a term used for centuries to describe a syndrome of symptoms that appear neurological, but do not have a neurological cause; now classified as conversion disorder
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suggestion
the physcical and psychological effects of mental states such that belief, confidence, and submission to authority, and hope
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paradigms
overall scientific worldviews, which, according to philosopher of science Thomas Kuhn, radically shift at various points in history
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reductionism
explaining a disorder or other complex phenomon using only a signle idea or perspective
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natural categories
categories that usually work reasonably well in everyday life despite their lack of precision
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diathesis-stress model
the view that the development of a disorder requires the interaction of diathesis (predisposing cause) and a stress (precipitating cause)
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general paresis
a disease, due to syphilis infection, that can cause pychosis, paralysis, and death
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psychosocial dwarfism
a rare disorder in which the physical growth of children deprived of emotional care is stunted
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biopsychosocial model
a perspective in abnormal psychology that integrates biological, psychological, and social components
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correlation
a statistical term for a systematic association between variables
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central nervous system
the control center for transmitting information and impulses throughout the body, consisting of the brain and the spinal cord
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neuron
an individual nerve cell
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cortex
the folded matter on the outside of the brain that controls humans advanced cognitive functions
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thalamus
a subcortical brain structure involved in routing and filtering sensory input
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hypothalamus
a subcortical brain structure that controls the endocrine, or hormonal, system
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basal ganglia
a subcortical brain structure involved in the regulation of movement
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neurotransmitters
chemicals that allow nuerons in the brain to communicate by traveling between them
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synapse
point of connection between neurons
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synaptic cleft
the tiny gap between one neuron and the next at a synapse
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receptors
the ares of a neuron that recieve neurotransmitters from adjacent neurons
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SSRI's
the second generation class of antidepressant medication that block the reuptake of serotonin from the synapse; used in the treatment of depression and other disorders
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PNS
the network of nerves throught the body that carry information and impulses to and from the CNS
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somatic nervous system
connects the central nervous system with the sensory organs and skeletal muscles
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autonomic nervous system
the part of the PNS that regulates involuntary bodily systems, such as breathing and heart rate; it is made up of the sympathetic and parasympathetic nervous system
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sympathetic nervous system
the part of the autonomic nervous system that activates the bodys response to emergency and arousal sistuations
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parasympathetic nervous system
the part of the autonomic nervous system that regulates the bodys calming and energy-conserving funtions
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endocrine system
the system of glands that controls the production and release of hormones
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hormones
chemicals released by the endocrine system that regulate sexual behavior, metabolism, and physical growth
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family pedigree studies
studies designed to investigate whether a disorder runs in families
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twin studies
studies which compare concordance rates for identical and nonidentical twins for a given disorder
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concordance rate
in a group of twins, the percentage that both have the same disorder
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adoption studies
studies designed to compare the concordance rates for a given disorder of biological versus nonbiological parent-child pairs
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genetic linkage
studies looking for the specific genetic material that may be responsible for the genetic influence on particular disorders
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natural selection
the evolutionary theory and process by which organsims, over generations, tend to change and develop traits and behaviors that enhance survival and reproduction
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prefrontal lobotomy
the surgical destruction of brain tissue connecting the prefrontal lobes with other areas of the brain
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insulin coma
the deliberate induction of a seizure and coma using insulin; formerly used to treat certain mental disorders
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electroconvulsive therapy
a treatment for severe depression that invloves passing electric current through the brain to induce siezures
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psychotropic
medications designed to affect mental functioning
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agonsit
drugs that increase neurotransmission
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antagonist
drugs that reduce or block neurotransmission
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psychodynamic
the theoretical perspective that began with freuds work and is associated with emphasis on the unconscious mental processes, emotional conflict, and influence of childhood on adult life
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unconscious
descriptively, mental contents that are outside of awareness; also, the irrational, instinctual part of the mind in freuds topographic theory
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repression
a defense mechanism consisting of the forgetting of painful and unacceptable mental content
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conscious
descriptively; mental contents that are within awareness; also, the rational part of the mind in freuds topographic theory
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topographic theory
Freuds first model of the mind, divided into the unconscious, conscious, and presonscious parts
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preconscious
the Freuds topographic model, mental contents that are not the focus of conscious attention but are accessible because they are not repressed
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structural model
Freuds final model of the mind, divided into the id, ego, and superego
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Id
in Freuds structual theory, the part of the mind containing instinctual urges
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superego
in freuds structrual theory, the part of the mind that contains moral judgements and evaluates the self
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ego
in freuds structural theory, the part of the mind that is oriented to the external world and mediates the demands of the id and superego
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defense mechanisms
unconscious, automatic mental processes that reduce anxiety by warding off unacceptable thoughts and feelings
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diagnoses
categories of disorders or diseases according to a classification system
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assessment
the process of gathering informatio nin order to make a diagnoses
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interjudge reliability
consistency or agreement between mulitple judges
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test-retest reliability
consistency or agreement between multiple administrations of the same test over time
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dimensional system
a diagnostic system in which individuals are rated for the degree to which they exhibit certain traits
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categorical system
a diagnostic system, like the DSM system, in which individuals are diagnosed according to whether or not they fit certain categories
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the DSM is atheoritical
not based on any theoretical perspective; based on fact
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symptom disorders
disorders characterized by the unpleasant and unwanted forms of distress and/or impairment
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personality disorders
disorders characterized by extreme and rigid personality traits that cause distress or impairment
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comorbidity
the presence of two or more disorders in one person, or a general association between two or more different disorders
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ego-dystonic
behaviors, thought, or feelings that are experience by an individual as distressing and unwelcome
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ego-syntonic
behaviors, thoughts, or feelings that are experienced by an individual as consisten with their sense of self
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Global Assessment of Functioning (GAF)
a scale rating an individual's level of functioning used for AXIS V of the DSM-IV-TR
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"mental disorders " term interchangable with
- psychological disorders
- psychiatric disorders
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insane/insanity
legal term, not used in field unless used in a legal context
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US Dept of Health and Human Services concluded what?
"mental disorder is the 3rd largest cause of death in US"
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What is the lifetime prevelance of mental disorders?
46.4%
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Why is it important to consider the context which Abnormal behavior occurs?
- 1. to define behavior as abnormal you must know the circumstances surrounds behavior
- 2. the context which abnormality occurs can help explain it
- 3. abnormal behavior is influenced by demographic context
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because of cultural and historical relativism, we cannot make absolute statements about what constitues abnormal behavior
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continuum
- not "either or thing",
- abnormal behaviors are often exaggerations of normal states
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normal
part of a healthy developmental process
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normative
" a lot of people are doing it"
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Defining abnormality
- Help seeking
- Irrational/dangerous behavior
- Deviance
- Emotional distress
- Significant impairment
violation of cultural norms, expectations, or behaviors
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What system is used to classify abnormality?
the DSM system
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what is the DSM?
- Diagnostic and statistical manual of mental disorders
- published by the american psychiatric association
- in its fourth edition
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Psychiatrist vs Psychologist
psychiatrist prescibes medication while a psychologist provides therapy
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how many axis are there in the Multiaxial Classificaion system
Five
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what does Axis I, of the multiaxial classification system include?
clinical disorders
V-codes
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what does Axis II, of the multiaxial classification system include?
personality disorders
mental retardation
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what does Axis III, of the multiaxial classification system include?
physical health problems (chronic conditions)
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what does Axis IV, of the multiaxial classification system include?
- **focuses on psychosocial and enviromental stressors**
- primary support group- group you count on when you need help
- social enviroment- general social arena
- educational- schooling
- occupational- work related
- housing- lack of acces to safe and affordable housing
- economic- don't have enough money to get by
- access to healthcare services- not able to get healthcare; underinsured
- legal system- related interactions w/ legal system
- other- other psychosocial and enviromental problems (war, natural disaster)
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what does Axis V, of the multiaxial classification system include?
- GAF rating
- Based on
- 1.severity of symptoms
- 2. extent of impairment
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what are the 3 domains of impairment?
social, occupational, academic
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What are many Issues of Diagnosis?
- 1. system is not exact
- 2. many individuals dont fit neatly into categories
- 3. lose information- by putting people into one category information not related to that category can be lost
- 4.stigmatizing-- assumptions made by people about diagnosis of people w/ disorders
- 5. system is necessary-- system affords the ability to communicate conviently between professionals
- 6. categorical vs dimensional
- 7. reliability
- 8. contruct validity
- 9. culture- different cultures have different norms and behaviors
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What are 3 advantages to diagnosis?
- 1. classification allow clinicians to communicate more effectively about their work
- 2. classification facilitates research on the causes of disorders
- 3. classification facilitates decisions about which treatments are most likely to be helpful
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