Long-term follow-up of a childhood amnesic syndrome.
In attempting to explain observed dissociations between impaired and preserved memory functioning in amnesia, various dichotomous memory systems (e.g., procedural versus declarative, episodic versus semantic, working versus reference memory) have often been employed. In such cases, the assumption has been that memory subserved by one system is preserved, while that of the other system is impaired. Cohen and Squire have suggested that in amnesia, declarative memory is impaired, although procedural memory is preserved. Long-term follow-up of a densely amnesic patient refutes this view by demonstrating significant anterograde learning of school subjects including reading, vocabulary, spelling, and arithmetic, all of which include some component of declarative memory. It appears that the procedural/declarative dichotomy is not adequate to explain preserved memory in amnesia.
Wood
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Bowman Gray School of Medicine of Wake Forest University, Winston-Salem, NC 27103.
Brown
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Felton
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RH
D000293:Adolescent; D000647:Amnesia / Q000523:psychology*; D001925:Brain Damage, Chronic / Q000523:psychology*; D002648:Child; D004660:Encephalitis / Q000523:psychology*; D005260:Female; D005500:Follow-Up Studies; D006561:Herpes Simplex / Q000523:psychology*; D006801:Humans; D008570:Memory, Short-Term; D019965:Neurocognitive Disorders / Q000523:psychology; D011597:Psychomotor Performance; D014888:Wechsler Scales