Transferring an inborn auditory perceptual predisposition with interspecies brain transplants

Proceedings of the National Academy of Sciences of the United States of America
K D LongE Balaban

Abstract

Inborn species' perceptual preferences are thought to serve as important guides for neonatal learning in most species of higher vertebrates. Although much work has been carried out on experiential contributions to the expression of such preferences, their neural and developmental correlates remain largely unexplored. Here we use embryonic neural transplants between two bird species, the Japanese quail and the domestic chicken, to demonstrate that an inborn auditory perceptual predisposition is transferable between species. The transfer of the perceptual preference was dissociated from changes to the vocalizations of the resulting animals (called chimeras), suggesting that experiential differences in auditory self-stimulation cannot explain the perceptual change. A preliminary localization of the effective brain region for the behavioral transfer by using a naturally occurring species-cell marker revealed that it is not contained within the major avian auditory pathways. To our knowledge, this is the first demonstration that abstract aspects of auditory perception can be transferred between species with transplants of the central nervous system.

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Citations

Dec 30, 2014·Neuroscience and Biobehavioral Reviews·O Rosa SalvaG Vallortigara
Aug 18, 2004·Annals of the New York Academy of Sciences·Patrice Adret
Mar 15, 2011·Developmental Psychobiology·Christopher Harshaw, Robert Lickliter
Aug 8, 2015·Biology Letters·David Wheatcroft, Anna Qvarnström
May 9, 2012·Current Biology : CB·Evan BalabanJuan-José Vaquero
Jul 13, 2002·Journal of Neurobiology·F HalleM Kreutzer
May 9, 2019·Biological Reviews of the Cambridge Philosophical Society·Matthew I M LouderMark E Hauber
Dec 29, 2020·Developmental Neurobiology·Katie M Schroeder, Luke Remage-Healey
Jul 16, 2005·Science·Mark GreeneRuth Faden

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