Voluntary Generation of Hyperchaotic Visuo-Motor Patterns

Abstract Unpredictable escape behaviour is an integral part of the repertoire of many prey species. Many social species, including humans, also employ unpredictability to enhance their chances of success in social interactions with conspecifics. However, it is unclear what mechanisms provide the beh...

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Autor principal:	Hugh R. Wilson
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1f89fbf0f5e640818d7dd8778eb45382
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spelling	oai:doaj.org-article:1f89fbf0f5e640818d7dd8778eb453822021-12-02T15:07:54ZVoluntary Generation of Hyperchaotic Visuo-Motor Patterns10.1038/s41598-019-50369-92045-2322https://doaj.org/article/1f89fbf0f5e640818d7dd8778eb453822019-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-50369-9https://doaj.org/toc/2045-2322Abstract Unpredictable escape behaviour is an integral part of the repertoire of many prey species. Many social species, including humans, also employ unpredictability to enhance their chances of success in social interactions with conspecifics. However, it is unclear what mechanisms provide the behavioural and neural bases of this unpredictability, which might result either from randomness or from chaotic dynamics. A novel paradigm described here demonstrates that unpredictable behaviour generated voluntarily in a simple visuomotor task represents high dimensional chaos, or hyperchaos, but not randomness. The exponential decay of predictability was also shown to be longer in older adults. As chaos has been observed among cortical neurons, this provides a plausible neural basis for hyperchaos. These results thus provide evidence that voluntary unpredictable behaviour can result from neural hyperchaos. This work has implications for the study of autism, aftereffects of concussions, early dementia, and the concept of free will.Hugh R. WilsonNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-6 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hugh R. Wilson Voluntary Generation of Hyperchaotic Visuo-Motor Patterns
description	Abstract Unpredictable escape behaviour is an integral part of the repertoire of many prey species. Many social species, including humans, also employ unpredictability to enhance their chances of success in social interactions with conspecifics. However, it is unclear what mechanisms provide the behavioural and neural bases of this unpredictability, which might result either from randomness or from chaotic dynamics. A novel paradigm described here demonstrates that unpredictable behaviour generated voluntarily in a simple visuomotor task represents high dimensional chaos, or hyperchaos, but not randomness. The exponential decay of predictability was also shown to be longer in older adults. As chaos has been observed among cortical neurons, this provides a plausible neural basis for hyperchaos. These results thus provide evidence that voluntary unpredictable behaviour can result from neural hyperchaos. This work has implications for the study of autism, aftereffects of concussions, early dementia, and the concept of free will.
format	article
author	Hugh R. Wilson
author_facet	Hugh R. Wilson
author_sort	Hugh R. Wilson
title	Voluntary Generation of Hyperchaotic Visuo-Motor Patterns
title_short	Voluntary Generation of Hyperchaotic Visuo-Motor Patterns
title_full	Voluntary Generation of Hyperchaotic Visuo-Motor Patterns
title_fullStr	Voluntary Generation of Hyperchaotic Visuo-Motor Patterns
title_full_unstemmed	Voluntary Generation of Hyperchaotic Visuo-Motor Patterns
title_sort	voluntary generation of hyperchaotic visuo-motor patterns
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/1f89fbf0f5e640818d7dd8778eb45382
work_keys_str_mv	AT hughrwilson voluntarygenerationofhyperchaoticvisuomotorpatterns
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Voluntary Generation of Hyperchaotic Visuo-Motor Patterns

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