psychological disorders Flashcards
judgement of abnormality - social construct 3D’s
distressing
dysfunctional
deviant
prevalence of mental disorder in canada
1/5 canadians suffers currently from disorder in life
vulnerability stress model
-vulnerability factors (examples) interact with stressors (examples) to produce psychological disorders.
vulnerability factors = - genetic factors biological characteristics psychological traits previous maladaptive learning low social support
stressors = economic adversity environmental trauma interpersonal stresses or losses occupational setbacks or demands
DSM-5
detailed behaviour must be present for diagnosis.
five axies / dimension.
axis 1: clinical symptoms -
axis 2: developmental and personality disorders
axis 3: physical conditions
axis 4: severity of psychosocial stressors
axis 5: highest level of functioning.
DSM-5: axis 1: clinical symptoms
diagnosis
DSM-5: axis 2: developmental and personality disorders
autism, mental retardation
personality disorders.
long lasting and encompass way of interacting with the world.
often comorbid = multiple diagnoses
DSM-5: axis 3 : physical conditions
brain injury, HIV/AIDS,result in symptoms of mental illness
DMS-5: axis 4: severity of psychosocial stressors
death of a loved one, starting new job, college, unemployment, marriage
DSM-5: axis 5: highest level of functioning
level of functioning both at present time & highest level within previous year
anxiety
- not related to?
- response?
usually not related to strong real threat.
frequency and intensity of responses out of proportion to situations
anxiety - phobic disorders
ex of phobia disorders most common in western society
- strong irrational fears of objects or situations.
- seldom go away on their own - can intensify over time.
most common:
- agoraphobia: open spaces, public places
- social phobias
specific animals, objects
generalized anxiety disorder
video:
state of diffuse, “free-floating” anxiety.
not tied to specific situation/condition.
feeling of something is going to happen, but dont know what.
video: minor stressor really affected. intense worry, interferes w day-to-day.
anxiety - panic disorder
occur suddenly, unpredictably, intense
may occur with or without agoraphobia
anxiety - obsessive-compulsive disorder (OCD)
obsessions (cognitive component) - repetitive & unwelcome thoughts
compulsions (behavioural component)
repetitive behavioural responses
anxiety disorder causes
biological factors - genetics ; GABA reduces neural activity in key areas. low levels may cause highly reactive nervous systems
- gender differences: females exhibit more anxiety disorders than males. differences emerge as early as 7YOA. maybe beacuse less power and personal control for women.
- cognitive explanations: maladaptive thoughts and beliefs. things appraised “catastrophically”
- classical conditioning: associating an object or situation with pain or trauma.
panic attack
process in which normal manifestations of anxiety are appraised catastrophically, ultimately resulting in full-blown panic attack.
physiological responses + “I’m going to die” = panic attack
Eating disorders
- anorexia nervosa
- intense fear of being fat. potentially life threatening. 90% are female.
symptoms: severely restricted food intake
eating disorder - bulimia nervosa
bing & purge
eating disorder causes
environmental, psychological, biological.
- common in industrialized cultures (beauty = thin)
Mood affective disorders clinical depression 1. major depression 2. dysthymia 3.
frquency, intensity, duration of symptoms is out of proportion to situation
- cannot suppress negative thoughts.
- strongly negative mood for at least 2 weeks. cant function
- chronic disruption of mood, less strong than depression
- bipolar depression - depression alternated with mania. manic state = euphoric, gradiose cognitions, rapid speech
symptoms of clinical depression
emotional (misery, hopeless)
cognitive ( negative cognitions)
motivational ( loss of interest, lack of drive)
somatic symptoms ( loss of appetite, lack of energy)