Graduate Center, City University of New York, New York 10016, USA.
Brooklyn College, City University of New York, New York 11210, USA.
Learn Mem. 2019 Mar 21;26(4):128-132. doi: 10.1101/lm.048645.118. Print 2019 Apr.
It is tempting to equate the automatization of an action sequence with the formation of a habit. However, the term "habit" specifically implies a failure to evaluate future consequences to guide behavior. To test if automatized sequences become habitual, we trained rats on an action sequence task for either 20 or 60 d and then conducted reward devaluation tests. While both groups showed equivalent goal-directed performance of the trained action sequence on a global measure of behavior, sequence initiation and completion times were differentially sensitive to outcome devaluation in moderately and extensively trained rats.
将动作序列的自动化等同于习惯的形成是很诱人的。然而，“习惯”一词特别意味着不能评估未来的后果来指导行为。为了测试自动化序列是否变得习惯化，我们在动作序列任务上分别对大鼠进行了 20 天或 60 天的训练，然后进行了奖励贬值测试。虽然两组在行为的整体测量上都表现出了对训练动作序列的等效目标导向性能，但在中度和高度训练的大鼠中，序列启动和完成时间对结果贬值的敏感性不同。
