Mind the gap: Neural coding of species identity in birdsong prosody

被引:50
作者
Araki, Makoto [1 ]
Bandi, M. M. [2 ]
Yazaki-Sugiyama, Yoko [1 ]
机构
[1] Grad Univ, OIST, Neuronal Mechanism Crit Period Unit, Onna, Okinawa, Japan
[2] Grad Univ, OIST, Collect Interact Unit, Onna, Okinawa, Japan
关键词
PRIMARY AUDITORY-CORTEX; ZEBRA FINCH; INNATE RECOGNITION; NATURAL SOUNDS; SONG; SELECTIVITY; SPARROW; FOREBRAIN; NEURONS;
D O I
10.1126/science.aah6799
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Juvenile songbirds learn vocal communication from adult tutors of the same species but not from adults of other species. How species-specific learning emerges from the basic features of song prosody remains unknown. In the zebra finch auditory cortex, we discovered a class of neurons that register the silent temporal gaps between song syllables and are distinct from neurons encoding syllable morphology. Behavioral learning and neuronal coding of temporal gap structure resisted song tutoring from other species: Zebra finches fostered by Bengalese finch parents learned Bengalese finch song morphology transposed onto zebra finch temporal gaps. During the vocal learning period, temporal gap neurons fired selectively to zebra finch song. The innate temporal coding of intersyllable silent gaps suggests a neuronal barcode for conspecific vocal learning and social communication in acoustically diverse environments.
引用
收藏
页码:1282 / 1287
页数:6
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