Scoville and Milner’s (1957) case study of H.M. global memory deficit was surprising becauseGroup of answer choicesa. Karl Lashley's experiments demonstrated that memories could not be localizedb. H.M showed no perceptual deficitsc. H.M.'s post-operative IQ test revealed normal intelligenced. all of the above
Question
Scoville and Milner’s (1957) case study of H.M. global memory deficit was surprising becauseGroup of answer choicesa. Karl Lashley's experiments demonstrated that memories could not be localizedb. H.M showed no perceptual deficitsc. H.M.'s post-operative IQ test revealed normal intelligenced. all of the above
Solution
d. all of the above
The case study of H.M. was surprising for several reasons:
a. Karl Lashley's experiments had previously suggested that memories could not be localized to any specific part of the brain. However, H.M.'s memory deficits after surgery indicated that the medial temporal lobes (which were removed during his surgery) do play a crucial role in memory.
b. Despite his severe memory impairment, H.M. did not show any perceptual deficits. This was surprising because it suggested that perception and memory are mediated by different brain systems.
c. H.M.'s post-operative IQ test revealed normal intelligence. This was surprising because it showed that memory and intelligence are not the same thing and can be dissociated from each other.
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