chapter 16 psychological disorders
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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Chapter 16
Psychological Disorders
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Psychological Disorders
Psychological Disordera “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
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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
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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
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Psychological Disorders
DSM-IV American Psychiatric Association’s
Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition)
a widely used system for classifying psychological disorders
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Psychological Disorders
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
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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
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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
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Anxiety Disorders
Phobia persistent, irrational fear of a specific
object or situation Obsessive-Compulsive Disorder
unwanted repetitive thoughts (obsessions) and/or actions (compulsions)
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Anxiety Disorders Common and uncommon fears
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Anxiety Disorders
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Anxiety Disorders
PET Scan of brain of person with Obsessive/ Compulsive disorder
High metabolic activity (red) in frontal lobe areas involved with directing attention
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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
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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
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Mood Disorders-Depression
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Mood Disorders-Depression
Canadian depression rates
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Mood Disorders- Suicide
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Mood Disorders-Bipolar
PET scans show that brain energy consumption rises and falls with emotional switches
Depressed state Manic state Depressed state
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Mood Disorders-Depression
Altering any one component of the chemistry-cognition-mood circuit can alter the others
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Mood Disorders-Depression
The vicious cycle of depression can be broken at any point
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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
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Schizophrenia
Schizophrenia literal translation “split mind” a group of severe disorders
characterized by: disorganized and delusional thinking disturbed perceptions inappropriate emotions and actions
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Schizophrenia
Delusions false beliefs, often of persecution
or grandeur, that may accompany psychotic disorders
Hallucinations sensory experiences without
sensory stimulation
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Schizophrenia
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Schizophrenia
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Schizophrenia
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Personality Disorders
Personality Disorders disorders characterized by
inflexible and enduring behavior patterns that impair social functioning
usually without anxiety, depression, or delusions
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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
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Mood Disorders-Depression
Boys who were later convicted of a crime showed relatively low arousal
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Personality Disorders PET scans illustrate reduced activation in a
murderer’s frontal cortexNormal Murderer
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Rates of Psychological Disorders