PSYC 441 Lecture Notes - Lecture 2: Prodrome, Time Point, Factor Analysis

• School: Concordia University
• Department: Psychology
• Course: PSYC 441
• Professor: Virginia Penhum

Document Summary

Lecture 2: the time-course of sz: time-course of sz, in the past, we thought there were two different sub-types of sz (the hope was that by defining sub-groups, we can identify specific treatment), group 1: Mostly psychotic symptoms and a variable course: group 2: Mostly negative symptoms with a declining course: important factors in studying time-course, longitudinal vs. cross-sectional (i. e. one time point vs. many), retrospective vs. Retrospe(cid:272)ti(cid:448)e a(cid:374)d (cid:862)follo(cid:449)-(cid:271)a(cid:272)k(cid:863) (i. e. take someone who has the disorder and talk about what happened in their past). Two sub-types not found to be mutually exclusive: andeasen"s positi(cid:448)e vs. a(cid:374)dease(cid:374)"s (cid:374)egati(cid:448)e spe(cid:272)tru(cid:373): 4-year follow-up study failed to show differential course: prodromal stage, most people with sz show signs of disturbance from 1-3 years before the diagnosis: But the most common symptoms are signs of depression and negative symptoms (e. g. , confusion and social withdrawal):