mood disorders and schizophrenia ch. 9 & 11. symptoms of depression cognitive poor...
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MOOD DISORDERS AND SCHIZOPHRENIA
Ch. 9 & 11
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Symptoms of Depression
Cognitive Poor concentration, indecisiveness, poor self-esteem, hopelessness, suicidal thoughts, delusions
Physiological and Behavioral
Sleep or appetite disturbances, psychomotor problems, catatonia, fatigue, loss of memory
Emotional Sadness, depressed mood, anhedonia (loss of interest or pleasure in usual activities), irritability
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Major Depression Dysthymic Disorder
5 or more symptoms including sadness or loss of interest or pleasure
3 or more symptoms including depressed mood
At least 2 weeks in duration
At least 2 years in duration
Nu
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Du
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Subtypes of Depression
w/Melancholic features w/Psychotic features w/Seasonal patterns w/Catatonic features w/Atypical features w/Postpartum onset
Andrea Yates
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Prevalence and Prognosis
Among adults, 15-to-24-year olds are most likely to have had a major depressive episode in the past month.
Depression is less common among children than among adults.
Depression may be most likely to leave psychological and social scars if it occurs initially during childhood, rather than during adulthood
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Age Differences in Depression
0
1
2
3
4
5
6
7
15-24 25-34 35-44 45-54Age (in years)
Perc
en
t w
ith
m
ajo
r d
ep
ressio
n
in last
mon
th
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Biological Theories
Genetic Neurotransmitter Neurophysiological abnormalities Neuroendocrine abnormalities
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Risk of Bipolar Disorder
0
10
20
30
40
50
60
70
MZ twins DZ twins Sibs, parents,children
Biological parentsof BP adoptees
Second-degreerelatives
General population
Perc
ent
wit
h b
ipola
r dis
ord
er
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Bipolar Disorder
Bipolar I vs. Bipolar II Bipolar I – depression & mania Bipolar II – depression & hypomania
Cyclothymic Disorder
Living with Bipolar Disorder
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Psychological Theories of Mood Disorders
Behavioral TheoriesLewinsohn’s theoryLearned helplessness theory
Cognitive TheoriesAaron Beck’s Theory
Psychodynamic TheoryIntrojected hostilityDependency on others’ evaluations
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Social Perspectives
The Cohort Effect Social Status Cross-Cultural Differences
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Biological Treatments
Electroconvulsive Therapy (ECT) Light Therapy Drug treatments
Lithium, antipsychotics (Bipolar Disorder) Antidepressants
Tricyclic SSRIs MAOIs
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Psychological Treatments for Depression
Behavioral TherapyIncrease positive reinforcers and decrease aversive
events by teaching the person new skills for managing interpersonal situations and the environment
Cognitive-Behavioral TherapyChallenge distorted thinking and help the person learn
more adaptive ways of thinking and new behavioral skills
Psychodynamic TherapyHelp the person gain insight to unconscious hostility and
fears of abandonment to facilitate change in self-concept and behaviors
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Schizophrenia
Positive Symptoms: Type 1 Delusions
Persecutory Delusion of Reference Grandiose Delusions
Hallucinations Disorganized Thought and Speech Disorganized or Catatonic Behavior
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Schizophrenia
Negative Symptoms: Type II Affective Flattening Alogia Avolition
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DSM-IV Criteria for Schizophrenia
A. Core symptoms: two or more of the following present for at least a 1-month period 1. Delusions
2. Hallucinations 3. Disorganized speech 4. Grossly disorganized or catatonic
behavior 5. Negative symptoms
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DSM-IV Criteria for Schizophrenia, continued
B. Social/occupational functioning: significant impairment in work, academic performance, interpersonal relationships, and/or self-care
C. Duration: continuous signs of the disturbance for at least 6 months; at least 1 month of this period must include symptoms that meet Criterion A.
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DSM IV Criteria for Schizoaffective Disorder
A. An uninterrupted period of illness during which, at some time, there is either a major depressive episode, a manic episode, or a mixed episode concurrent with symptoms that meet Criterion A for schizophrenia.
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DSM IV Criteria for Schizoaffective Disorder, continued
B. During the same period of illness, there have been delusions or hallucinations for at least 2 weeks in the absence of prominent mood symptoms.
C. Symptoms that meet criteria for a mood episode are present for a substantial portion of the total duration of the active and residual periods of the illness
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Prognosis of Schizophrenia
Age and Gender Factors Sociocultural Factors
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Biological Theories of Schizophrenia
Genetic Theories
Structural Brain Abnormalities
Birth Complications & Prenatal
Viral Exposure
Neurotransmitter Theories
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Schizophrenia – Ventricle Abnormalities
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Treatments for Schizophrenia Biological Treatments Behavioral, Cognitive and Social
Interventions Cross-Cultural Treatments
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Theories of Schizophrenia
Psychological Theories
Controlling parents, schizophrenogenic mothers (scientific scrutiny of this theory)
Sociocultural Perspectives
Impact of stressful social situations, environmental conditions
Family Interactions and Schizophrenia
Family communication theories, communication deviance, expressed emotion
Stress and Schizophrenia
Rare that anyone would experience full-blown schizophrenia in response to a stressful event. Still, it is more likely that those with schizophrenia may live in a more stressful environment