Cerebrotypes in Cephalopods: Brain Diversity and Its Correlation With Species Habits, Life History, and Physiological Adaptations

Here we analyze existing quantitative data available for cephalopod brains based on classical contributions by J.Z. Young and colleagues, to cite some. We relate the relative brain size of selected regions (area and/or lobe), with behavior, life history, ecology and distribution of several cephalopo...

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Bibliographic Details
Published in:Frontiers in neuroanatomy 2021-02, Vol.14, p.565109-565109
Main Authors: Ponte, Giovanna, Taite, Morag, Borrelli, Luciana, Tarallo, Andrea, Allcock, A Louise, Fiorito, Graziano
Format: Article
Language:English
Subjects:
Adaptation
Animal cognition
Brain
brain diversity
cephalopods
Cognitive ability
Computational neuroscience
Evolution
Geographical distribution
Invertebrates
Life history
Nervous system
neuroecology
Neuroscience
Niches
Oceans
Phylogeny
Reptiles & amphibians
Social networks
Species
Vertebrates
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Summary:Here we analyze existing quantitative data available for cephalopod brains based on classical contributions by J.Z. Young and colleagues, to cite some. We relate the relative brain size of selected regions (area and/or lobe), with behavior, life history, ecology and distribution of several cephalopod species here considered. After hierarchical clustering we identify and describe ten clusters grouping 52 cephalopod species. This allows us to describe cerebrotypes, i.e., differences of brain composition in different species, as a sign of their adaptation to specific niches and/or clades in cephalopod molluscs for the first time. Similarity reflecting niche type has been found in vertebrates, and it is reasonable to assume that it could also occur in Cephalopoda. We also attempted a phylogenetic PCA using data by Lindgren et al. (2012) as input tree. However, due to the limited overlap in species considered, the final analysis was carried out on
ISSN:1662-5129
1662-5129
DOI:10.3389/fnana.2020.565109