Myers’ PSYCHOLOGY
Chapter 16
Psychological
Disorders
Psychological Disorders
Psychological Disorder
a “harmful dysfunction” in which
behavior is judged to be:
atypical--not enough in itself
disturbing--varies with time and
culture
maladaptive--harmful
unjustifiable--sometimes there’s a
good reason
Historical Perspective
Perceived Causes
movements of sun or moon
lunacy--full moon
evil spirits
Ancient Treatments
exorcism, caged like animals, beaten,
burned, castrated, mutilated, blood
replaced with animal’s blood
Psychological Disorders
Medical Model
concept that diseases have physical causes
can be diagnosed, treated, and in most cases,
cured
assumes that these “mental” illnesses can be
diagnosed on the basis of their symptoms
and cured through therapy, which may
include treatment in a psychiatric hospital
Psychological Disorders
Bio-Psycho-Social Perspective
assumes that biological,
sociocultural, and psychological
factors combine and interact to
produce psychological disorders
Psychological Disorders
Psychological
Disorders--Etiology
DSM-IV
American Psychiatric Association’s
Diagnostic and Statistical Manual of
Mental Disorders (Fourth Edition)
a widely used system for classifying
psychological disorders
presently distributed as DSM-IV-TR
(text revision)
Psychological
Disorders- Etiology
Neurotic Disorder (term seldom used
now)
usually distressing but that allows one
to think rationally and function socially
Psychotic Disorder
person loses contact with reality
experiences irrational ideas and
distorted perceptions
Anxiety Disorders
Anxiety Disorders
distressing, persistent anxiety or
maladaptive behaviors that reduce
anxiety
Generalized Anxiety Disorder
person is tense, apprehensive, and in a
state of autonomic nervous system
arousal
Anxiety Disorders
Panic Disorder
marked by a minutes-long episode of
intense dread in which a person
experiences terror and accompanying
chest pain, choking, or other frightening
sensation
Anxiety Disorders
Phobia
persistent, irrational fear of a specific object
or situation
Obsessive-Compulsive Disorder
unwanted repetitive thoughts (obsessions)
and/or actions (compulsions)
Anxiety Disorders
Common and uncommon fears
Anxiety Disorders
Anxiety Disorders
PET Scan of brain of
person with Obsessive/
Compulsive disorder
High metabolic activity
(red) in frontal lobe
areas involved with
directing attention
Mood Disorders
Mood Disorders
characterized by emotional extremes
Major Depressive Disorder
a mood disorder in which a person, for
no apparent reason, experiences two or
more weeks of depressed moods,
feelings of worthlessness, and
diminished interest or pleasure in most
activities
Mood Disorders
Manic Episode
a mood disorder marked by a
hyperactive, wildly optimistic state
Bipolar Disorder
a mood disorder in which the person
alternates between the hopelessness
and lethargy of depression and the
overexcited state of mania
formerly called manic-depressive
disorder
Mood Disorders-
Depression
Mood Disorders-
Depression
Canadian depression rates
Mood Disorders-
Suicide
Mood Disorders-
Bipolar
PET scans show that brain energy consumption
rises and falls with emotional switches
Depressed state Manic state Depressed state
Mood Disorders-
Depression
Altering any one
component of
the chemistry-
cognition-mood
circuit can alter
the others
Mood Disorders-
Depression
The vicious
cycle of
depression
can be
broken at
any point
Dissociative
Disorders
Dissociative Disorders
conscious awareness becomes separated
(dissociated) from previous memories,
thoughts, and feelings
Dissociative Identity Disorder
rare dissociative disorder in which a person
exhibits two or more distinct and alternating
personalities
formerly called multiple personality disorder
Schizophrenia
Schizophrenia
literal translation “split mind”
a group of severe disorders
characterized by:
disorganized and delusional thinking
disturbed perceptions
inappropriate emotions and actions
Schizophrenia
Delusions
false beliefs, often of persecution or
grandeur, that may accompany
psychotic disorders
Hallucinations
sensory experiences without sensory
stimulation
Schizophrenia
Schizophrenia
Schizophrenia
Schizophrenia
Personality Disorders
Personality Disorders
disorders characterized by inflexible and
enduring behavior patterns that impair
social functioning
usually without anxiety, depression, or
delusions
Personality Disorders
Antisocial Personality Disorder
disorder in which the person (usually
man) exhibits a lack of conscience for
wrongdoing, even toward friends and
family members
may be aggressive and ruthless or a
clever con artist
Mood Disorders-
Depression
Boys who
were later
convicted of
a crime
showed
relatively low
arousal
Personality Disorders
PET scans illustrate reduced activation in
a murderer’s frontal cortex
Normal Murderer
Personality Disorders
Rates of Psychological
Disorders
Myers’ PSYCHOLOGY �
Psychological Disorders
Historical Perspective
Psychological Disorders
Psychological Disorders
Psychological Disorders
Psychological Disorders--Etiology
Psychological Disorders- Etiology
Anxiety Disorders
Anxiety Disorders
Anxiety Disorders
Anxiety Disorders
Anxiety Disorders
Anxiety Disorders
Mood Disorders
Mood Disorders
Mood Disorders-Depression
Mood Disorders-Depression
Mood Disorders- Suicide
Mood Disorders-Bipolar
Mood Disorders-Depression
Mood Disorders-Depression
Dissociative Disorders
Schizophrenia
Schizophrenia
Schizophrenia
Schizophrenia
Schizophrenia
Schizophrenia
Personality Disorders
Personality Disorders
Mood Disorders-Depression
Personality Disorders
Personality Disorders
Rates of Psychological Disorders