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[Considerations about the nervous system phylogenetic evolution, behavior, and the emergence of consciousness].

Authors
  • Ribas, Guilherme Carvalhal
Type
Published Article
Journal
Revista brasileira de psiquiatria (São Paulo, Brazil : 1999)
Publication Date
Dec 01, 2006
Volume
28
Issue
4
Pages
326–338
Identifiers
PMID: 17242815
Source
Medline
License
Unknown

Abstract

This text reviews the generic aspects of the central nervous system evolutionary development, emphasizing the developmental features of the brain structures related with behavior and with the cognitive functions that finally characterized the human being. Over the limbic structures that with the advent of mammals were developed on the top of the primitive nervous system of their ancestrals, the ultimate cortical development with neurons arranged in layers constituted the structural base for an enhanced sensory discrimination, for more complex motor activities, and for the development of cognitive and intellectual functions that finally characterized the human being. The knowledge of the central nervous system phylogeny allow us particularly to infer possible correlations between the brain structures that were developed along phylogeny and the behavior of their related beings. In this direction, without discussing its conceptual aspects, this review ends with a discussion about the central nervous system evolutionary development and the emergence of consciousness, in the light of its most recent contributions.

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