Reports

Permanence of Retrograde Amnesia Produced by Electroconvulsive Shock

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Science  21 Apr 1967:
Vol. 156, Issue 3773, pp. 408-410
DOI: 10.1126/science.156.3773.408

Abstract

The permanence of retrograde amnesia produced for a single training trial by a single electroconvulsive shock was studied. No recovery from amnesia was found with either single or repeated retention tests. Amnesic effects were found to be permanent with retention intervals as long as 1 month.