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

Ferreira-Cardoso, S ; Araújo, R ; Martins, N E ; Martins, G G ; Walsh, S ; Martins, R M S ; Kardjilov, N ; Manke, I ; Hilger, A ; Castanhinha, R

Scientific reports, 2017-05, Vol.7 (1), p.2005-11, Article 2005 [Periódico revisado por pares]

England: Nature Publishing Group

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Título:
Floccular fossa size is not a reliable proxy of ecology and behaviour in vertebrates
Autor: Ferreira-Cardoso, S ; Araújo, R ; Martins, N E ; Martins, G G ; Walsh, S ; Martins, R M S ; Kardjilov, N ; Manke, I ; Hilger, A ; Castanhinha, R
Assuntos: Animal biology ; Animals ; Behavior, Animal ; Birds ; Cerebellar plasticity ; Cerebellum ; Computed tomography ; Ecology ; Endangered & extinct species ; Extinction ; Hypotheses ; Information processing ; Life Sciences ; Mammals ; Models, Anatomic ; Models, Theoretical ; Phylogeny ; Skull Base ; Skull Base - anatomy & histology ; Vertebrates ; Vertebrates - anatomy & histology ; Vertebrates - physiology ; Vestibular system ; Vestibulo-ocular reflex
É parte de: Scientific reports, 2017-05, Vol.7 (1), p.2005-11, Article 2005
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
PMCID: PMC5435717
Descrição: 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.
Editor: England: Nature Publishing Group
Idioma: Inglês

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

Ferreira-Cardoso, S ; Araújo, R ; Martins, N E ; Martins, G G ; Walsh, S ; Martins, R M S ; Kardjilov, N ; Manke, I ; Hilger, A ; Castanhinha, R

England: Nature Publishing Group

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