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探测不对称的相互作用与时间隔离的相互信息:使用金色闪光灯的案例研究.

Katherine Daftari¹, Michael L Mayo², Bertrand H Lemasson²

¹Department of Mathematics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.

Entropy (Basel, Switzerland)

|September 27, 2024

概括

此摘要是机器生成的。

与时间相隔的相互信息为分析集体动物运动提供了传输的数据效率高的替代方案. 这个指标准确地捕捉了不对称的相关性,需要更少的数据来可靠地估计领导者-追随者动态.

关键词:

动物行为动物行为集体动议是一项集体动议.信息理论信息理论

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科学领域:

集体动物行为集体动物行为
在生态学中的信息理论.
运动的生物物理学

背景情况:

领袖-追随者动态对于理解集体动物运动至关重要.
信息理论的指标,如转移量化这些相互作用.
当前的方法往往需要大量的数据,这限制了实际应用.

研究的目的:

引入时间隔离的相互信息,作为集体运动中不对称相关性的数据密集度较低的指标.
为了比较它对转移的有效性,特别是使用有限的时间序列数据.
通过使用通用的领导者-追随者模型和实验数据来验证拟议的指标.

主要方法:

开发了一个通用的领导者-追随者模型来探索信息理论指标.
利用分隔时间的相互信息和k-最近邻近算法进行分析.
在环状水箱中分析了金色鱼的时间序列轨迹数据.

主要成果:

与时间相隔的相互信息提供了一个更有效的数据和更准确的估计替代转移.
预测了在特定时间隔离时的相互信息的局部最大值.
这个预测的最大值与追随者的基本反应时间表相对应.
实验数据使用鱼的轨迹数据证实了模型的预测.

结论:

时间隔离的相互信息是量化集体动物行为中的不对称相关性的强大而实用的指标.
这些发现为研究人员提供了一种有价值的工具,研究人员的轨迹数据有限.
这种方法促进了对生物系统中领导者-追随者动态和反应时间尺度的理解.