Effect of handling-induced seizures on passive avoidance learning in the Mongolian gerbil (Meriones unguiculatus)

Amy Rothman Schonfeld, Stanley D. Glick
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引用次数: 7

Abstract

The effect of handling-induced seizures on passive avoidance behavior was investigated in the gerbil. In the first experiment, ictal activity immediately before Day 1 training significantly impaired retention on Day 2; after additional training on Day 2, retention was normal on Day 3. In the second experiment, a 24-hr interval was allowed between seizure testing and passive avoidance training. No difference between seizing and nonseizing groups was seen during the Day 2 training or Day 3 retention trials. Therefore, the Day 2 impairment in the first experiment was attributed to the immediate effect of the seizure on Day 1 learning. It was suggested that the poor performance of some gerbils in passive avoidance may be attributed to pretraining ictal activity.

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处理诱发癫痫对沙鼠被动回避学习的影响
研究了处理诱发癫痫对沙鼠被动回避行为的影响。在第一个实验中,第1天训练前的临界活动显著损害了第2天的记忆力;经过第二天的额外训练,第三天记忆力恢复正常。在第二个实验中,癫痫发作测试和被动回避训练之间有24小时的间隔。在第2天的训练和第3天的记忆保留试验中,癫痫组和非癫痫组之间没有差异。因此,第一个实验中第2天的障碍可归因于第1天的癫痫发作对学习的直接影响。结果表明,沙鼠在被动回避中的不良表现可能与训练前临界活动有关。
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