Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates

Abstract The cerebellar floccular and parafloccular lobes are housed in fossae of the periotic region of the skull of different vertebrates. Experimental evidence indicates that the lobes integrate visual and vestibular information and control the vestibulo-ocular reflex, vestibulo-collic reflex, sm...

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Autores principales:	S. Ferreira-Cardoso, R. Araújo, N. E. Martins, G. G. Martins, S. Walsh, R. M. S. Martins, N. Kardjilov, I. Manke, A. Hilger, R. Castanhinha
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f84f993722484da18e70245779ac1882
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spelling	oai:doaj.org-article:f84f993722484da18e70245779ac18822021-12-02T15:05:27ZFloccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates10.1038/s41598-017-01981-02045-2322https://doaj.org/article/f84f993722484da18e70245779ac18822017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01981-0https://doaj.org/toc/2045-2322Abstract The cerebellar floccular and parafloccular lobes are housed in fossae of the periotic region of the skull of different vertebrates. Experimental evidence indicates that the lobes integrate visual and vestibular information and control the vestibulo-ocular reflex, vestibulo-collic reflex, smooth pursuit and gaze holding. Multiple paleoneuroanatomy studies have deduced the behaviour of fossil vertebrates by measuring the floccular fossae (FF). These studies assumed that there are correlations between FF volume and behaviour. However, these assumptions have not been fully tested. Here, we used micro-CT scans of extant mammals (47 species) and birds (59 species) to test six possible morphological-functional associations between FF volume and ecological/behavioural traits of extant animals. Behaviour and ecology do not explain FF volume variability in four out of six variables tested. Two variables with significant results require further empirical testing. Cerebellum plasticity may explain the lack of statistical evidence for the hypotheses tested. Therefore, variation in FF volume seems to be better explained by a combination of factors such as anatomical and phylogenetic evolutionary constraints, and further empirical testing is required.S. Ferreira-CardosoR. AraújoN. E. MartinsG. G. MartinsS. WalshR. M. S. MartinsN. KardjilovI. MankeA. HilgerR. CastanhinhaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q S. Ferreira-Cardoso R. Araújo N. E. Martins G. G. Martins S. Walsh R. M. S. Martins N. Kardjilov I. Manke A. Hilger R. Castanhinha Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
description	Abstract The cerebellar floccular and parafloccular lobes are housed in fossae of the periotic region of the skull of different vertebrates. Experimental evidence indicates that the lobes integrate visual and vestibular information and control the vestibulo-ocular reflex, vestibulo-collic reflex, smooth pursuit and gaze holding. Multiple paleoneuroanatomy studies have deduced the behaviour of fossil vertebrates by measuring the floccular fossae (FF). These studies assumed that there are correlations between FF volume and behaviour. However, these assumptions have not been fully tested. Here, we used micro-CT scans of extant mammals (47 species) and birds (59 species) to test six possible morphological-functional associations between FF volume and ecological/behavioural traits of extant animals. Behaviour and ecology do not explain FF volume variability in four out of six variables tested. Two variables with significant results require further empirical testing. Cerebellum plasticity may explain the lack of statistical evidence for the hypotheses tested. Therefore, variation in FF volume seems to be better explained by a combination of factors such as anatomical and phylogenetic evolutionary constraints, and further empirical testing is required.
format	article
author	S. Ferreira-Cardoso R. Araújo N. E. Martins G. G. Martins S. Walsh R. M. S. Martins N. Kardjilov I. Manke A. Hilger R. Castanhinha
author_facet	S. Ferreira-Cardoso R. Araújo N. E. Martins G. G. Martins S. Walsh R. M. S. Martins N. Kardjilov I. Manke A. Hilger R. Castanhinha
author_sort	S. Ferreira-Cardoso
title	Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
title_short	Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
title_full	Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
title_fullStr	Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
title_full_unstemmed	Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
title_sort	floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/f84f993722484da18e70245779ac1882
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Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates

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