PSYC 100 Lecture Notes - Lecture 10: Psychosis, Schizophreniform Disorder, Schizoaffective Disorder

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Jill L Atkinson

Document Summary

The clinician bases his/her evaluation on the client"s history and current functioning as reported by the client, knowledgeable others (parent, spouse), biological testing, and his/her own observations. Differential diagnosis: substance-induced mental disorders share the characteristic of mental disorders such as psychosis, amnesia, sleep problems, anxiety and depression but are strong associated with substance use. The prevalence of cannabis use among males is twice that of females (12. 2% vs. 6. 2%). When it comes to alcohol, 22. 3% of males and 15% of females exceed canada"s low-risk drinking guidelines. Onset and development: onset may be sudden, characterized by an acute psychotic episode, symptoms begin slowly and can make it hard to recognize that the individual is suffering. Other psychotic disorders: delusional disorder: makes by delusions considered non-bizzare. Biological bases of schizophrenia: schizophrenia is an extraordinarily pervasive illness, affecting perception, emotion, cognition, motivation, etc, the diathesis-stress model tells us that schizophrenia most likely results from predispositions combining with environmental stress.