Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
RETROGRADE AND PROACTIVE EFFECTS OF ECS ON ACTIVE AND PASSIVE AVOIDANCE
SHIRO IKEGAMI
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1972 Volume 14 Issue 4 Pages 181-189

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Abstract

The three experiments were undertaken in a factorial design, with ECS-induced effects (retrograde vs. proactive) and with avoidance tasks (active vs. passive). In Exp. I, the proactive effect of ECS 1 hr before (23 hr after) the trials had as much disruptive effect on active avoidance response (AAR) as the retrograde effect of ECS 20-80 sec after the trials, but in the relearning, the 23 hr group acquired AAR faster than the 20-80 sec groups. In Exp. II, ECS had little effect upon AAR when given 15-30 min before the trials, but at 2 hr it had disruptive effect and its effect disappeared in 8 hr. In Exp. III, a single ECS 20 sec after the training or 15-30 min before the test produced retention deficits on passive avoidance response (PAR). These results are discussed with regard to the ECS-induced effects on consolidation and retrieval involved in memory processes.

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