Author:
Araiba Sho,El Massioui Nicole,Brown Bruce L.,Doyère Valérie
Abstract
This study demonstrates that overtraining in temporal discrimination modifies temporal stimulus control in a bisection task and produces habitual responding, as evidenced through insensitivity to food devaluation. Rats were trained or overtrained in a 2- versus 8-sec temporal discrimination task, with each duration associated with a lever (left or right) and food (grain or sucrose). Overtraining produced a leftward shift in the bisection point. Devaluation treatment induced a differential loss of responding depending on stimulus duration (short versus long) and the level of training (training versus overtraining). The relationships between timing behavior and habitual behavior are discussed.
Publisher
Cold Spring Harbor Laboratory
Subject
Cellular and Molecular Neuroscience,Cognitive Neuroscience,Neuropsychology and Physiological Psychology
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