PSYC*2330 Lecture 17.doc

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29 Mar 2012
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Tuesday, March 27, 2012
PSYC*2330 Lecture 17 Week 9
Multiple Memory Systems
Declarative Memory System S-S
Procedural Memory System S-R
Emotional Memory System S-Affect
Declarative Memory Systems
The Amnesic Patient H.M.
Anterograde Amnesia - ability of making new memories was affected
-often the past memories are retained (retrograde amnesia)
-in 1933, Henry M. had a bicycle accident and was unconscious for 5 minutes
-three years later he began to have minor seizures
-by 21, he would have 10 minor attacks per day and 1 major per week
-no medication worked
-in 1953 (Henry was 27), Dr. Scoville performed a bilateral medial temporal lobe resec-
tion
- Seizure activity was greatly reduced but he developed a major loss of memory capaci-
ty
-Lived with his family for a while but then transferred in a nursing home
-participated in social activities
-watched TV and solved crossword puzzles
-never asked for food or beverage, or to go to bed
-placid and polite
-aware of his memory disorder
-John MacDonald
-H.M. memory disorder was selective in five important ways:
1. Higher-order perceptual, motor, and cognitive functions not affected
-above average IQ
-recognizes and names common objects
-normal language
2. Lost the capacity for new learning
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