Overview of Brain Evolution: Lobe-Finned Fish vs. Ray-Finned Fish

Kei Yamamoto,Solal Bloch

doi:10.1007/978-4-431-56559-8_1

Overview of Brain Evolution: Lobe-Finned Fish vs. Ray-Finned Fish

Kei Yamamoto, Solal Bloch

https://doi.org/10.1007/978-4-431-56559-8_1

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Publication Date: Jan 1, 2017

Citations: 10

Affiliation: Institut des Neurosciences Paris-Saclay, University of Paris-Sud, University of Paris-Saclay, Institut Polytechnique de Paris, French National Centre for Scientific Research

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Abstract

Bony jawed vertebrates (Osteichthyes) are divided into two groups, ray-finned fish (Actinopterygii) and lobe-finned fish (Sarcopterygii). The tetrapod (including mammals and birds) is a group of lobe-finned “fish” specialized in terrestrial life. Although the overall brain organization is conserved, significant differences exist within each brain region between Actinopterygii and Sarcopterygii. This chapter introduces a new view of the vertebrate brain organization; more particularly, we propose revised subdivisions in the anterior forebrain, which was revealed through comparative analyses between Actinopterygii and Sarcopterygii.

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