回避行動の保持におよぼすECSの効果

概要

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Retroactive effects of electroconvulsive shock (ECS) upon the retention of passive avoidance behavior were studied in rats which received ECS 0, 10, or 100sec after a single trial of passive avoidance training. In a test 24hr later, one of the experimental groups which received ECS immediately after a foot shock (FS), demonstrated as short latencies as ECS-only and no-treatment control groups, showing the evidence of typical retrograde amnesia. Latencies of three experimental groups receiving both FS and ECS related directly to the FS-ECS interval. Test trials repeated for six days resulted in no remarkable change in latencies. The second part of the experiment was run in an active avoidance situation using the same subjects. Results showed no difference among groups, suggesting the implausibility of the presence of proactive interference of FS and/or ECS with subsequent learning.
公益社団法人日本心理学会の論文