Article (Scientific journals)
Own-song recognition in the songbird auditory pathway: selectivity and lateralization.
Poirier, Colline; Boumans, Tiny; Verhoye, Marleen et al.
2009In Journal of Neuroscience, 29 (7), p. 2252-8
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Keywords :
bird song; lateralization; midbrain; functional MRI; cognition
Abstract :
[en] The songbird brain is able to discriminate between the bird's own song and other conspecific songs. Determining where in the brain own- song selectivity emerges is of great importance because experience-dependent mechanisms are necessarily involved and because brain regions sensitive to self-generated vocalizations could mediate auditory feedback that is necessary for song learning and maintenance. Using functional MRI, here we show that this selectivity is present at the midbrain level. Surprisingly, the selectivity was found to be lateralized toward the right side, a finding reminiscent of the potential right lateralization of song production in zebra finches but also of own-face and own-voice recognition in human beings. These results indicate that a midbrain structure can process subtle information about the identity of a subject through experience-dependent mechanisms, challenging the classical perception of subcortical regions as primitive and nonplastic structures. They also open questions about the evolution of the cognitive skills and lateralization in vertebrates.
Disciplines :
Zoology
Author, co-author :
Poirier, Colline
Boumans, Tiny
Verhoye, Marleen
Balthazart, Jacques  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie de la différenciation sexuelle du cerveau
Van der Linden, Annemie
Language :
English
Title :
Own-song recognition in the songbird auditory pathway: selectivity and lateralization.
Publication date :
2009
Journal title :
Journal of Neuroscience
ISSN :
0270-6474
eISSN :
1529-2401
Publisher :
Society for Neuroscience, Washington, United States - District of Columbia
Volume :
29
Issue :
7
Pages :
2252-8
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NIMH - National Institute of Mental Health [US-MD]
Available on ORBi :
since 13 April 2009

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