PSYC 144 Lecture Notes - Lecture 10: Malingering, Transient Global Amnesia, Anterograde Amnesia
Document Summary
Amnesias transient global amnesia (tga)- anterograde and retrograde amnesia with sudden onset that lasts about 24 hours. Dissociative amnesia -sudden inability to recall a stressful time period, (functional retrograde amnesia) *functional=psychological in nature. Dissociative fugue- sudden inability to recall personal identity combined. Transient global amnesia with travel to a new location (functional retrograde amnesia) sudden onset, severe memory impairment anterograde amnesia and temporally-graded retrograde amnesia. Usually occurs in people older than 50 about 1/3 of cases are precipitated by physical or emotional stress invariably leaves the patient with memory loss for events that occurred during the episode occasionally, some retrograde amnesia remains permanent. During rey-osterreith figure test, ability to copy figure is dramatically impaired after a 10 minute delay (similar to hm and alzheimer"s group), but functional (normal) retrograde amnesia patients can complete task after delay: tga show anterograde amnesia.
