The effect of varying the interval between conflict training and electroconvulsive shock on an instrumental conditioned emotional response

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115 male albino rats were randomly divided into a group which received no exposure to conflict and a group exposed to a conflict situation in which an instrumental conditioned emotional response (CER) was learned. Each group was subdivided into short and long interval treatment groups which received ECS or pseudoshock 1 and 13 days, respectively, after training. After 4 days rest Ss were given 10 test trials, and magnitude of the CER was determined. Long and short interval ECS groups were significantly differentiated for the 1st 3 test trials. Comparisons of these groups with their pseudoshock controls indicate that ECS attenuated CER in the short interval group, whereas CER was minimally affected by ECS in the long interval group. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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