Oscillators and servomechanisms in orientation and navigation, and sometimes in cognition.

Oscillators and servomechanisms in orientation and navigation, and sometimes in cognition.
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DOI:
10.1098/rspb.2022.0237
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发表时间:
2022-05-11
影响因子:
4.7
通讯作者:
Cheng, Ken
Cheng, Ken
中科院分区:
生物学1区
文献类型:
--
作者:
Cheng, Ken

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导航机制被描述为伺服机制。导航伺服机制指定要争取的目标状态。感知到的当前状态和目标状态之间的差异指定了错误。伺服机构调整行程以减少误差。我现在补充说,导航伺服机构与振荡器一起工作,驱动运动的效应器的周期性运动。我有选择地说明了这个概念,从细菌的微米到海龟的数千公里的大范围旅行。这些伺服机构的复杂程度各不相同,其中一些偶尔会中断向前运动或改变运动速度,而另一些则会调整运动方向。我认为在生命的其他领域也是如此,尤其是在认知领域,伺服机制与振荡器一起工作。
Navigational mechanisms have been characterized as servomechanisms. A navigational servomechanism specifies a goal state to strive for. Discrepancies between the perceived current state and the goal state specify error. Servomechanisms adjust the course of travel to reduce the error. I now add that navigational servomechanisms work with oscillators, periodic movements of effectors that drive locomotion. I illustrate this concept selectively over a vast range of scales of travel from micrometres in bacteria to thousands of kilometres in sea turtles. The servomechanisms differ in sophistication, with some interrupting forward motion occasionally or changing travel speed in kineses and others adjusting the direction of travel in taxes. I suggest that in other realms of life as well, especially in cognition, servomechanisms work with oscillators.
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