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Lecture 5

WEEK 5 ONLINE LESSON NOTES.docx

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Department
Psychology
Course
PSYC 100
Professor
Ingrid Johnsrude
Semester
Fall

Description
WEEK 5 ONLINE LESSON NOTES psychoactive substance: a chemical that acts on the central nervous system, altering thoughts, mood, and perception SUBSTANCE-RELATED DISORDERS 1. substance-use disorders: dependence and abuse 2. substance-induced disorders: intoxication and withdrawal (due to stopped prolonged use of a substance) -more common in men DIATHESIS-STRESS MODEL predispositions (genetic and early development) can combine with environmental stressors to contribute to the development of a mental disorder diathesis: a person's vulnerability/susceptibility to developing a mental disorder SCHIZOPHRENIA positive symptom: excess or presence of a behaviour negative symptom: deficit, degradation, or of loss of a behaviour symptoms: hallucinations: visions that aren't there delusions: far-fetched beliefs disorganized speech grossly disorganized/catatonic behaviour negative symptoms: often lack of emotions, slowed speech thought to be due to too much dopamine schizophrenia: active symptoms for at least 6 months schizophreniform disorder: symptoms last from 1-6 months schizoaffective disorder: symptoms with major mood episodes (major depression/mania) PSYCHOTIC DISORDERS delusional disorder: delusions that are non-bizarre and quite normal brief psychotic disorder: episode of psychotic disorders lasting form 1 da
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