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chapter 11. Psychological disorders. chapter 11. I. Defining and diagnosing disorders. chapter 11. Mental disorder [pp370-371]. Any behavior or emotional state that: causes a person to suffer is self-destructive seriously impairs the person’s ability
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chapter 11 Psychological disorders
chapter 11 I. Defining and diagnosingdisorders
chapter 11 Mental disorder[pp370-371] Any behavior or emotional state that: • causes a person to suffer • is self-destructive • seriously impairs the person’s ability to work or get along with others • endangers others or the community
chapter 11 Diagnostic and Statistical Manual [DSM] [p371] Axis I: Primary clinical problem Axis II: Personality disorders Axis III: General medical conditions Axis IV: Social and environmental stressors Axis V: Current and past levels of overall functioning
chapter 11 Explosion of mental disorders [p371] Supporters of new categories answer that it is important to distinguish disorders precisely. Critics point to economics: diagnoses are needed for insurance reasons for therapists to be compensated.
chapter 11 Projective tests [p374] Projective tests Psychological tests used to infer a person’s motives, conflicts, and unconscious dynamics on the basis of the person’s interpretation of ambiguous stimuli Rorschach inkblot test A projective personality test that asks respondents to interpret abstract, symmetrical inkblots
chapter 11 Objective tests[p375] Inventories Standardized objective questionnaires requiring written responses Typically include scales on which people are asked to rate themselves “Evaluating Whether You Are Depressed”
chapter 11 II. Mood disorders
chapter 11 Symptoms of depression Major depression[p380] A mood disorder involving disturbances in: • emotion (depressed mood, excessive sadness) • behavior(reduced interest in one’s usual activities) • cognition(thoughts of hopelessness, feelings of worthlessness or guilt, reduced ability to concentrate, recurrent thoughts of death) • body function(fatigue, loss of appetite, significant weight loss or gain, sleeping too much or too little) DSM IV requires 5 of these within the past 2 weeks
A mood disorder in which episodes of depression and mania (excessive euphoria) occur. AKA: manic-depressive disorder chapter 11 Bipolar disorder [p380]
chapter 11 Genetic factors in depression [pp380-381] Studies of adopted children support genetic explanations of depression. 5-HTT is a gene that is present in either a long or short form. 17% of individuals with the long form become severely depressed. 43% of individuals with 2 copies of the short form become depressed. Genetics may also influence levels of serotonin and other neurotransmitters. Biomedical therapy is common for depression. Major depression: Antidepressant medication Bipolar disorder: Lithium (also antidepressants, antipsychotics)
Social explanations emphasize the stressful circumstances in people’s lives. Loss of or problems with important relationships Women are less satisfied with work and family and more likely to live in poverty. A health psychologist might emphasize stress reduction chapter 11 Life experiences and circumstances[pp380-382]
chapter 11 Cognitive habits [p382] Cognitive explanations emphasize habits of thinking and ways of interpreting events. Depressed people believe their situation is permanent, uncontrollable. Rumination Brooding about negative aspects of one’s life Cognitive therapy is often effective in treating depression
chapter 11 III. Anxiety disorders
Continuous state of anxiety marked by feelings of worry and dread, apprehension, difficulties in concentration, and signs of motor tension chapter 11 Generalized anxiety disorder [p376]
chapter 11 Posttraumatic stress disorder [pp376-377] An anxiety disorder in which a person who has experienced a traumatic or life-threatening event has symptoms such as psychic numbing, reliving the trauma, and increased physiological arousal Diagnosed only if symptoms persist for six months or longer May immediately follow event or occur later
chapter 11 Panic disorder[pp377-378] An anxiety disorder in which a person experiences recurring panic attacks Panic attack: a feeling of impending doom or death, accompanied by physiological symptoms such as rapid breathing and dizziness
chapter 11 Fears and phobias Phobia [p378] An exaggerated, unrealistic fear of a specific situation, activity, or object
A set of phobias, often set off by a panic attack, involving the basic fear of being away from a safe place or person. chapter 11 Agoraphobia[p378]
An anxiety disorder in which a person feels trapped in repetitive, persistent thoughts (obsessions) and repetitive, ritualized behaviors (compulsions) designed to reduce anxiety chapter 11 Obsessive-compulsive disorder [pp378-379]
Biomedical therapy (antidepressant and antianxiety medication) Cognitive therapy Behavior therapy chapter 11 Treatment of anxiety disorders
chapter 11 IV. Dissociative disorders
chapter 11 Dissociative amnesia Involves memory loss caused by extensive psychological stress
chapter 11 Dissociative identity disorder [p391] A controversial disorder marked by the appearance within one person of two or more distinct personalities, each with its own name and traits Commonly known as Multiple Personality Disorder
chapter 11 The MPD controversy[pp391-392] First view • MPD is common but often unrecognized as such. • Starts in childhood as a means of coping • Trauma produced a mental splitting. Second view • Created through pressure and suggestion by clinicians • Handfuls to 10,000 since 1980
chapter 11 Sociocognitive explanation[p392] MPD is an extreme form of our ability to present many aspects of our personalities to others. MPD is a socially acceptable way for some troubled people to make sense of their problems. Therapists looking for MPD may reward patients with attention and praise for revealing more and more personalities.
chapter 11 V. Personality disorders
Personality disorder Rigid, maladaptive patterns that cause personal distress or an inability to get along with others [p383] Narcissistic personality disorder Characterized by an exaggerated sense of self-importance and self-absorption chapter 11 Problem personalities
chapter 11 Criminals and psychopaths Antisocial personality disorder [p384] Characterized by a lifelong pattern of irresponsible, antisocial behavior such as lawbreaking, violence, and other impulsive, restless acts
chapter 11 VI. Schizophrenia
chapter 11 Schizophrenia[pp393-396] A psychotic disorder marked by: • Delusions • Hallucinations • Disorganized, incoherent speech • Inappropriate behavior • Impaired cognitive abilities Typical onset: adolescence to early adulthood
Delusions [p393] False beliefs that often accompany schizophrenia and other psychotic disorders Hallucinations [p393] Sensory experiences that occur in the absence of actual stimulation chapter 11 Delusions and hallucinations
chapter 11 Genetic vulnerability [p395] The risk of developing schizophrenia increases as the genetic relatedness with a diagnosed schizophrenic increases.
Several abnormalities exist: Decreased brain weight Decreased volume in temporal lobe or hippocampus Enlargement of ventricles About 25% do not have these observable brain deficiencies. chapter 11 Structural brain abnormalities [p396]
Many schizophrenics have high levels of brain activity in areas served by dopamine, and greater numbers of dopamine receptors. Abnormalities may also involve serotonin, glutamate Biomedical therapy: antipsychotic medication chapter 11 Neurotransmitter abnormalities
Damage to the fetal brain increases chances of schizophrenia and other mental disorders. Damage may occur as a function of: maternal malnutrition maternal illness brain injury oxygen deprivation at birth chapter 11 Prenatal or birth complications [p396]
