Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Rats maintain optimal choice when facing long terminal links in a "suboptimal choice" procedure.
Journal of Experimental Psychology: Animal Learning and Cognition ( IF 1.2 ) Pub Date : 2021-04-01 , DOI: 10.1037/xan0000286
Rodrigo Alba 1 , Rodrigo González-Torres 1 , Vladimir Orduña 1
Affiliation  

It has been recently reported that rats' optimal behavior in the "suboptimal choice" procedure is eliminated when the duration of the terminal links is increased to 30 s or more (Cunningham & Shahan, 2019). The main goal of the present study is to analyze the generality of such results, via a procedure that has been extensively used in the study of rats' performance in this task. In Experiment 1, nine rats were exposed to a procedure that presented levers as discriminative stimuli, varying the duration of their presentation from 10 s to 50 s across conditions. The results showed that rats preferred the optimal alternative in all conditions. To further analyze the relationship between rats' preferences and the duration of the terminal links, in Experiment 2 we contrasted the performance of two groups that differed in the configuration of the stimuli associated to the terminal links. For one of them, the stimuli were the same as in the Cunningham and Shahan's (2019) experiment (Tone + Light); for the other, the stimulus was light only. The results show that rats were suboptimal in the former group, and optimal in the latter. We discuss our results in terms of the prevalence of rats' optimal behavior when confronted with the manipulation of different variables and the necessity of improving the knowledge about the relationship between optimal/suboptimal choice and the salience of the discriminative stimuli. (PsycInfo Database Record (c) 2021 APA, all rights reserved).

中文翻译:

在“次优选择”程序中面对长终端链接时,大鼠保持最佳选择。

最近有报道称,当终端链接的持续时间增加到 30 秒或更长时,老鼠在“次优选择”程序中的最佳行为被消除(Cunningham & Shahan,2019)。本研究的主要目标是通过已广泛用于研究大鼠在这项任务中的表现的程序来分析此类结果的普遍性。在实验 1 中,九只大鼠接受了一个程序,该程序将杠杆作为区分性刺激呈现,在不同条件下将其呈现的持续时间从 10 秒到 50 秒不等。结果表明,大鼠在所有条件下都更喜欢最佳选择。为了进一步分析大鼠的偏好与终端链接持续时间之间的关系,在实验 2 中,我们比较了与终端链接相关的刺激配置不同的两组的表现。对于其中之一,刺激与 Cunningham 和 Shahan (2019) 的实验 (Tone + Light) 相同;另一方面,刺激只是轻微的。结果表明,大鼠在前一组中表现欠佳,而在后者中表现最佳。我们讨论了在面对不同变量的操纵时大鼠最佳行为的普遍性以及提高关于最佳/次优选择与歧视性刺激显着性之间关系的知识的必要性方面的结果。(PsycInfo 数据库记录 (c) 2021 APA,保留所有权利)。刺激与 Cunningham 和 Shahan (2019) 的实验 (Tone + Light) 中的相同;另一方面,刺激只是轻微的。结果表明,大鼠在前一组中表现欠佳,而在后者中表现最佳。我们讨论了在面对不同变量的操纵时大鼠最佳行为的普遍性以及提高有关最佳/次优选择与歧视性刺激显着性之间关系的知识的必要性方面的结果。(PsycInfo 数据库记录 (c) 2021 APA,保留所有权利)。刺激与 Cunningham 和 Shahan (2019) 的实验 (Tone + Light) 中的相同;另一方面,刺激只是轻微的。结果表明,大鼠在前一组中表现欠佳,而在后者中表现最佳。我们讨论了在面对不同变量的操纵时大鼠最佳行为的普遍性以及提高有关最佳/次优选择与歧视性刺激显着性之间关系的知识的必要性方面的结果。(PsycInfo 数据库记录 (c) 2021 APA,保留所有权利)。面临操纵不同变量时的最佳行为,以及提高关于最佳/次优选择与歧视性刺激显着性之间关系的知识的必要性。(PsycInfo 数据库记录 (c) 2021 APA,保留所有权利)。面对不同变量的操纵时的最佳行为,以及提高有关最佳/次优选择与歧视性刺激显着性之间关系的知识的必要性。(PsycInfo 数据库记录 (c) 2021 APA,保留所有权利)。
更新日期:2021-04-01
down
wechat
bug