运动路径作为一种行为学镜头进入间隔计时

IF 1.5 4区 生物学 Q4 BEHAVIORAL SCIENCES
Fuat Balcı , Varsovia Hernandez , Ahmet Hoşer , Alejandro León
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引用次数: 0

摘要

间隔计时行为传统上是在操作室中研究的,基于受试者的非常集中的反应(例如,头部进入杂志,杠杆按压)。这些测量对动物的运动轨迹是盲目的,只捕捉到动物行为的一小部分,有时甚至是一个特殊的组成部分。换句话说,时间期望的状态不是在试验的每个时间点都能观察到的。另一方面,在本质上,时间期望以一种复杂得多的方式指导行为。例如,动物可能会以不同的程度接近食物斑块,这是食物可用性预期时间的函数(例如,花蜜采集行为)。本研究旨在通过分析大鼠在固定时间(FT-30s)和可变时间(VT-30s)计划下的运动轨迹,以更自然的方式研究间隔时间。我们观察到FT的时间模式运动,而不是VT时间表。在FT计划中,老鼠在喝完提供的水后离开奖励网格,在15 秒左右离奖励网格最远,之后它们开始再次接近奖励网格。在VT时间表中没有这种运动轨迹的时间模式。当水在靠近墙的地方输送时,比在靠近空地中心的地方输送时,FT计划中的时间控制更强。我们的研究结果表明,运动轨迹可能反映瞬时时间预期。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Movement path as an ethological lens into interval timing
Interval timing behavior is traditionally investigated in operant chambers based on the very focal responses of the subjects (e.g., head entry to the magazine, lever press). These measures are blind to the movement trajectory of the animals and capture only a tiny segment and sometimes an idiosyncratic component of the animal's behavior. In other words, the state of the temporal expectancy is not observable at every time point in the trial. On the other hand, in nature, temporal expectancies guide actions in a much more complex fashion. For instance, an animal might approach a food patch at different degrees as a function of the expected time of food availability (e.g., nectar collection behavior). The current study aimed to investigate interval timing in a more naturalistic fashion by analyzing the movement trajectory of rats in fixed time (FT-30s) vs. variable time (VT-30s) schedules in modified open field equipment. We observed a temporally patterned movement in FT but not a VT schedule. In the FT schedule, rats moved away from the reward grid after consuming the presented water and were farthest from it at around 15 s, after which they started to approach the reward grid again. There was no such temporal patterning of movement trajectory in the VT schedule. Temporal control in the FT schedule was stronger when water was delivered close to the wall compared to when it was delivered close to the center of the open field. Our results show that movement trajectory may reflect instantaneous temporal expectancy.
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来源期刊
Behavioural Processes
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.
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