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Science 24 October 1969:
Vol. 166. no. 3904, pp. 525 - 527
DOI: 10.1126/science.166.3904.525
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Articles

Electroconvulsive Shock Effects on a Reactivated Memory Trace: Further Examination

Ronald G. Dawson 1 and James L. McGaugh 1

1 Department of Psychobiology, School of Biological Sciences, University of California, Irvinie 92664

Rats showed amnesia for conditioned fear training if given an electroconvulsive shock immediately after training. Retention was unimpaired, however, when the electroconvulsive shock treatment was given 1 day after training immediately after the presentation of the stimulus used in the fear conditioning training. These results support the view that electroconvulsive shock disrupts memory trace consolidation but does not disrupt a recently reactivated memory trace.


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