Article (Scientific journals)
Timing of perineuronal nets development in the zebra finch song control system correlates with developmental song learning
Cornez, Gilles; Jonckers, Elisabeth; ter Haar, Sita et al.
2018In Proceedings of the Royal Society. Biological Sciences
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Keywords :
Vocal learning; Ontogenesis; Song System; Sensitive Period; Parvalbumin; Perineuronal nets
Abstract :
[en] The appearance of perineuronal nets (PNN) represents one of the mechanisms that contribute to the closing of sensitive periods for neural plasticity. This relationship has mostly been studied in the ocular dominance model in rodents. Previous studies also indicated that PNN might control neural plasticity in the song control system (SCS) of songbirds. To further elucidate this relationship, we quantified PNN expression and their localization around parvalbumin interneurons at key time-points during ontogeny in both male and female zebra finches and correlated these data with the well-described development of song in this species. We also extended these analyses to the auditory system. The development of PNN during ontogeny correlated with song crystallization although the timing of PNN appearance in the four main telencephalic song control nuclei slightly varied between nuclei in agreement with the established role these nuclei play during song learning. Our data also indicate that very few PNN develop in the secondary auditory forebrain areas even in adult birds, which may allow constant adaptation to a changing acoustic environment by allowing synaptic reorganization during adulthood.
Research center :
Giga-Neurosciences - ULiège
Disciplines :
Neurosciences & behavior
Author, co-author :
Cornez, Gilles ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie de la différenciation sexuelle du cerveau
Jonckers, Elisabeth
ter Haar, Sita
VanderLinden, Annemie
Cornil, Charlotte  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie de la différenciation sexuelle du cerveau
Balthazart, Jacques  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Département des sciences biomédicales et précliniques
Language :
English
Title :
Timing of perineuronal nets development in the zebra finch song control system correlates with developmental song learning
Publication date :
2018
Journal title :
Proceedings of the Royal Society. Biological Sciences
ISSN :
0962-8452
eISSN :
1471-2954
Publisher :
Royal Society
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 June 2018

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