Chapter 14 Flashcards
(38 cards)
medical model
the conceptualization of psychological disorders as diseases that, like physical diseases, have biological causes, defined symptoms, and possible cures
DSM-IV-TR (Diagnostics and Statistical Manuel of Mental Disorders [Fourth Edition, Text Revision])
a classification system that describes the features used to diagnose each recognized mental disorder and indicates how the disorder can be distinguished from other, similar problems.
DSM-IV-TR qualifications for a disorder
- symptoms that invlve disturbances of behavior, thoughts, or emotions
- symptoms are associated with significant personal distress or impairment
- the symptoms stem from an internal dysfunction (biological, psychological, or both)
comorbidity
the co-occurrence of two or more disorders in a single individual
diathesis-stress model
suggests that a person may be predisposed for a mental disroder that remains unexpressed until triggered by stress
anxiety disorder
the class of mental disorder in which anxiety is the predominant feature
(includes generalized anxiety disorder, phobic disorders, panic, and obsessive compulsive disorder)
generalized anxiety disorder (GAD)
a disorder characteriszed by chronic excessive worry accompanied by three or more of the following symptoms: restlessness, fatigue, concentration problems, irritability, muscle tension, and sleep disturbance
phobic disorders
disorders characterized by marked, persistant, and excessive fear and avoidance of specific objects, activities or situations
specific phobia
a disorder that involves an irrational fear of a particular object or situation that markedly interferes with an individual’s ability to function
- five categories:
1. animals
2. natural environments (heights, darkness, etc)
3. situations (bridges)
4. blood, injections or injury
5. ohter phobias (illness, death, etc)
social phobia
a disorder that involves an irrational fear of being publicly humiliated or embarassed
preparedness theory
the idea that people are instinctively predisposed toward certain fears
panic disorder
a disorder characterized by the sudden occurrance of multiple psychological and physiological symptoms that contribute to a feeling of stark terror
agoraphobia
an extreme fear of venturing in public places
-many just have a fear of having a panic attack in public places
obsessive-compulsive disorder
a disorder in which repetitive, intrusive, thoughts (obsessions) and ritualistic behaviors (compulsions) designed to fend off those thoughts interfere significantly with an individual’s functioning
mood disorders
mental disorders that have mood disturbance as their predominant feature
major depressive disorder
a disorder characteriszed by severely depressed mood that lasts 2 weeks or more and is accompanied by feelings of worthlessness and lack of pleasure, lethargy, and sleep and appetite disturbances
dysthymia
a disorder that involves the same symptoms as in depression only less severe, but the symptoms last longer, persisting for at least 2 years
double depression
a moderately depressed mood that persists for at least 2 years and is punctuated by periods of major depression
seasonal affective disorder (SAD)
depression that involves recurrent depressive episodes in a seasonal pattern
right dorsolateral cortex
increased activation linked to depression
(decreased activation in left also linked to depressions)
helplessness theory
the idea that individuals who are prone to depression automatically attribute negative experiences to causes that are internal (ex: their own fault), stable (unlikely to change), and global (widespread)
bipolar disorder
an unstable emotional condition characterized by cycles of abnormal, persistant high mood (mania) and low mood (depression)
dissociative disorder
a condition in which normal cognitive processes are severely disjointed and fragmented, creating significant disruptions in memory, awareness, or personality that can vary in length from a matter of minutes to many years
dissociative identity disorder (DID)
the presence within an individual of two or more distinct identities that at different times take control of the individual’s behavior