作为工具惩罚的条件性味觉厌恶。

IF 1.3 4区 心理学
Kuang-Chu Li, Sigmund Hsiao, Jay-Shake Li
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引用次数: 4

摘要

条件味觉厌恶(CTA)传统上被认为是巴甫洛夫条件反射的一个实例。这种解释基于在CTA的标准程序中味觉和胃部不适之间缺乏工具偶然性。为了研究工具惩罚在CTA中的作用,我们按照每天交替和平衡的顺序给大鼠提供2种品尝剂(“蔗糖然后NaCl”或“NaCl然后蔗糖”),在该试验中,给药的氯化锂(LiCl)的剂量和喝下的1种品尝剂的量之间存在明显的正偶然性。在实验开始时,老鼠抑制了这两种口味的摄入。随着条件作用试验的增加,大鼠逐渐学会恢复非条件溶液的摄入,而选择性地抑制licl条件溶液的摄入。CTA的这种选择性抑制是第一个表明大鼠对刺激强度和反应强度之间的协变相关的微妙线索敏感的报告,在惩罚范式中,包括味觉刺激的味觉刺激和LiCl注射的厌恶效应之间的长时间延迟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Conditioned taste aversion as instrumental punishment.

Conditioned taste aversion (CTA) is traditionally viewed as an instance of pavlovian conditioning. This interpretation rests on the lack of an instrumental contingency between the tastant and the gastric malaise in a standard procedure of CTA. To investigate a role for instrumental punishment in CTA, we present 2 tastants sequentially ("sucrose then NaCl" or "NaCl then sucrose") in a daily alternating and counterbalanced order to rats with an explicit positive contingency between the dosage of the lithium chloride (LiCl) administered and the amount of 1 tastant drunk on that trial. In the beginning of experiment, rats suppressed their intake of both tastants. With the increase of conditioning trials, rats gradually learned to resume the intake of noncontingent solution while selectively suppressing the intake of LiCl-contingent solution. This selective suppression in CTA is the first report indicating that rats are sensitive to the subtle cues related to the covariations between the magnitude of stimulus and the magnitude of responses in a punishment paradigm involving a long delay between the gustatory stimulus of tastant ingestion and the aversive effect of LiCl injection.

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来源期刊
自引率
23.10%
发文量
0
审稿时长
>12 weeks
期刊介绍: The Journal of Experimental Psychology: Animal Learning and Cognition publishes experimental and theoretical studies concerning all aspects of animal behavior processes.
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