PSYC 3330 Lecture Notes - Lecture 20: Traumatic Brain Injury, Retrograde Amnesia, Psychogenic Amnesia
12 Apr 2016
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Retrograde amnesia: before the event, loss of old memories. Anterograde amnesia: ater the event, inability to create new memories. Causes of amnesia: blow to the head, infecion (encephaliis, stroke, alzheimer"s, alcoholism (korsakof"s syndrome, surgical intervenion. Oten triggered by trauma: no observable neurobiological basis, intact memory. Amn: case study: 23 year old, in a house ire. Reminded him of a childhood car crash: ater ire. Amnesia coninues to be a problem, 8 months later. Recovering memories: only 2 out of 10 paients fully recovered ater 14 months. Atempts to remind paient of past and idenity rarely work. Spontaneous recovery: re-emergence of previously exinguished condiioned response ater a delay. Increases with ime rarely returns to full strength. Stronger iniial memories more likely to recover: forgoten episodic memories can also be recovered. Task: study list 1 (whoops just pracice , study 2 other lists. Free recall test ater each: ater 3rd list, tested on irst pracice list.
