Rats can spontaneously discriminate different rhythms: An investigation using an automated habituation-dishabituation paradigm

IF 1.6 4区生物学 Q4 BEHAVIORAL SCIENCES

Behavioural Processes Pub Date : 2025-09-01 Epub Date: 2025-08-25 DOI:10.1016/j.beproc.2025.105257

Reo Wada , Takaki Tomatsuri , Kosuke Yoshida , Shiomi Hakataya , Genta Toya , Kazuo Okanoya , Hiroki Koda

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引用次数: 0

Abstract

Vocal production learning has been thought to be necessary for rhythmic cognition. However, recent studies have shown that rats, a non-vocal production learning species, are capable of discriminating rhythms and synchronizing to rhythm. Here, we investigated whether rats can spontaneously discriminate between different rhythms by using three types of rhythmic sound stimuli that differ only in the ratio of time intervals. In the experiment, we tested 30 rats by using a newly developed automated habituation-dishabituation paradigm implemented with the recent cutting-edge real-time animal tracking technology. The sound stimulus was automatically switched to a different type of rhythmic time interval ratio depending on the tracked animal's movement activity. For all rhythm orders, sound type switching increased the distance travelled by the rats, suggesting that rats can discriminate between rhythms that differ only in the ratio of time intervals. These results indicate that non-vocal production learning species may also be able to recognize the periodic temporal structure of rhythms.

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大鼠可以自发地区分不同的节奏：一项使用自动习惯-不习惯范式的调查

声乐生产学习被认为是节奏认知的必要条件。然而，最近的研究表明，大鼠是一种非声音生产学习物种，能够区分节奏并与节奏同步。在这里，我们研究了大鼠是否可以自发地通过使用三种类型的有节奏的声音刺激来区分不同的节奏，这些声音刺激只在时间间隔的比例上不同。在实验中，我们对30只大鼠进行了测试，使用最新尖端的实时动物跟踪技术实现了新开发的自动化习惯-不习惯范式。根据被跟踪动物的运动活动，声音刺激会自动切换到不同类型的有节奏的时间间隔比率。对于所有的节奏顺序，声音类型转换增加了大鼠移动的距离，这表明大鼠只能在时间间隔的比例上区分不同的节奏。这些结果表明，非声音生产学习物种也可能能够识别节奏的周期性时间结构。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Behavioural Processes 生物-动物学

CiteScore

2.70

自引率

7.70%

发文量

144

审稿时长

4-8 weeks

期刊介绍： Behavioural Processes is dedicated to the publication of high-quality original research on animal behaviour from any theoretical perspective. It welcomes contributions that consider animal behaviour from behavioural analytic, cognitive, ethological, ecological and evolutionary points of view. This list is not intended to be exhaustive, and papers that integrate theory and methodology across disciplines are particularly welcome.