RETROACTIVE EFFECTS OF TRANSCORNEAL AND TRANSPINNATE ECS ON STEP-THROUGH LATENCIES OF MICE AND RATS

Delivered transcorneal or transpinnate ECS to 276 male albino Sprague-Dawley rats and transcorneal ECS to 145 female albino CF1 mice 10 sec., 1 hr., or 6 hr. after step-through training. At the 10-sec and 1-hr intervals both modes of ECS decreased test latencies 24 hr. later in both species. At the 6-hr interval only the transcorneal ECS decreased test latencies and then only in rats. The train-ECS interval at which ECS ceased to decrease test latencies was varied directly with the length of cutoff criteria used to terminate the test trial. (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1969 American Psychological Association.