Schizophrenia Flashcards

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1
Q

Schizophrenia definition

A

Chronic mental disorder with periods of psychosis, disturbed behavior, and thought and decline in functioning

Lasting > 6 months

Associated with increased dopamine and decreased dendritic branching.

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2
Q

Schizophrenia diagnosis

A
Diagnosis requires 2 or more of the following:
(positive symptoms)
Delusion
Hallucination-often auditory
Disorganized speech (loose association)
Disorganized or catatonic behavior
(negative symptoms)
Flat affect
Social withdrawal
Lack of motivation
Lack of speech or thought
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3
Q

Brief psychotic disorder

A

Less than 1 month, usually stress related

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4
Q

Schizophreniform disorder

A

1-6 months

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5
Q

Schizoaffective disorder

A

AT LEAST 2 wks of stable mood with psychotic symptoms
PLUS
a major depressive, manic or mixed (both)

Two subtypes:

1) bipolar
2) depressive

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6
Q

Schizophrenia subtypes (5)

A

1) paranoid (delusion)
2) disorganized (with regard to speech, behavior, affect)
3) catatonic (automatism)
4) undifferentiated (elements of all types)
5) residual

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7
Q

Schizophrenia etiologies

A

Genetics and environment

Frequent weed use

Lifetime prevalence 1.5% (male=female, black=white)
Presents earlier in men (late teens to early 20s vs. late 20s to early 30s in women)

At increased risk for suicide

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