下丘脑刺激和其他强化物对记忆的促进作用:强化的核心理论

Joseph P. Huston, Cornelia C. Mueller, Cesare Mondadori
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引用次数: 101

摘要

提出了一种强化的核心理论,该理论基于强化物直接作用于动态记忆过程的假设。该模型的一个预测是,由于短期记忆期间出现的强化,各种任务的学习应该得到改善。为了验证这一假设,在不同的学习情境下,我们在实验后分别对下丘脑外侧进行了强化物食物、水或电刺激。试验后的食物强化促进了小鼠的被动回避学习。在大鼠中,30秒的强化脑刺激促进了穿梭箱回避、降压回避和小盒子回避的学习。基于错误的后强化脑刺激改善了胃口t迷宫学习。在CS - UCS期间,强化脑刺激对条件性味觉厌恶的学习没有影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Memory facilitation by posttrial hypothalamic stimulation and other reinforcers: A central theory of reinforcement

A central theory of reinforcement is presented, which is based on the assumption that reinforcers act directly on dynamic memory processes. One prediction from the model is that learning of various tasks should be improved as a result of reinforcement presented during the period of short-term memory. To test this hypothesis the reinforcers food, water or electrical stimulation of the lateral hypothalamus were presented posttrial in diverse learning situations. Posttrial food reinforcement facilitated passive avoidance learning in mice. In rats 30 sec of posttrial reinforcing brain stimulation facilitated learning of a shuttle-box avoidance, step-down avoidance, and small box avoidance. Appetitive T-maze learning was improved with posttrial reinforcing brain stimulation contingent on errors. Learning of a conditioned taste aversion was not influenced by reinforcing brain stimulation presented during the CS - UCS interval.

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