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Título : Revisiting the cognitive buffer hypothesis for the evolution of large brains
Autor : Sol, Daniel
Palabras clave : Life history
Neurobiology
Brain evolution
Cognitive ecology
Fecha de publicación : 2009
Editor: Royal Society (Great Britain)
Citación : Biology Letters 5(1) : 130-133 (2009)
Resumen: Why have some animals evolved large brains despite substantial energetic and developmental costs? A classic answer is that a large brain facilitates the construction of behavioural responses to unusual, novel or complex socioecological challenges. This buffer effect should increase survival rates and favour a longer reproductive life, thereby compensating for the costs of delayed reproduction. Although still limited, evidence in birds and mammals is accumulating that a large brain facilitates the construction of novel and altered behavioural patterns and that this ability helps dealing with new ecological challenges more successfully, supporting the cognitive-buffer interpretation of the evolution of large brains.
Descripción : 4 páginas, 2 figuras.
Versión del editor: http://dx.doi.org/10.1098/rsbl.2008.0621
URI : http://hdl.handle.net/10261/57808
ISSN: 1744-9561
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