A Specialized Forebrain Circuit for Vocal Babbling in the Juvenile Songbird

by: Dmitriy Aronov, Aaron S Andalman, Michale S Fee

Science, Vol. 320, No. 5876. (2 May 2008), pp. 630-634.

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Abstract

Young animals engage in variable exploratory behaviors essential for the development of neural circuitry and adult motor control, yet the neural basis of these behaviors is largely unknown. Juvenile songbirds produce subsong--a succession of primitive vocalizations akin to human babbling. We found that subsong production in zebra finches does not require HVC (high vocal center), a key premotor area for singing in adult birds, but does require LMAN (lateral magnocellular nucleus of the nidopallium), a forebrain nucleus involved in learning but not in adult singing. During babbling, neurons in LMAN exhibited premotor correlations to vocal output on a fast time scale. Thus, juvenile singing is driven by a circuit distinct from that which produces the adult behavior--a separation possibly general to other developing motor systems. 10.1126/science.1155140

@article{citeulike:2745510, abstract = {Young animals engage in variable exploratory behaviors essential for the development of neural circuitry and adult motor control, yet the neural basis of these behaviors is largely unknown. Juvenile songbirds produce subsong--a succession of primitive vocalizations akin to human babbling. We found that subsong production in zebra finches does not require HVC (high vocal center), a key premotor area for singing in adult birds, but does require LMAN (lateral magnocellular nucleus of the nidopallium), a forebrain nucleus involved in learning but not in adult singing. During babbling, neurons in LMAN exhibited premotor correlations to vocal output on a fast time scale. Thus, juvenile singing is driven by a circuit distinct from that which produces the adult behavior--a separation possibly general to other developing motor systems. 10.1126/science.1155140}, author = {Aronov, Dmitriy and Andalman, Aaron S. and Fee, Michale S. }, citeulike-article-id = {2745510}, doi = {http://dx.doi.org/10.1126/science.1155140}, journal = {Science}, keywords = {130508, motor\_control}, month = {May}, number = {5876}, pages = {630--634}, posted-at = {2008-05-12 19:12:21}, priority = {2}, title = {A Specialized Forebrain Circuit for Vocal Babbling in the Juvenile Songbird}, url = {http://dx.doi.org/10.1126/science.1155140}, volume = {320}, year = {2008} }

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TY - JOUR ID - citeulike:2745510 L3 - citeulike-article-id:2745510 TI - A Specialized Forebrain Circuit for Vocal Babbling in the Juvenile Songbird JF - Science VL - 320 IS - 5876 SP - 630 EP - 634 N2 - Young animals engage in variable exploratory behaviors essential for the development of neural circuitry and adult motor control, yet the neural basis of these behaviors is largely unknown. Juvenile songbirds produce subsong--a succession of primitive vocalizations akin to human babbling. We found that subsong production in zebra finches does not require HVC (high vocal center), a key premotor area for singing in adult birds, but does require LMAN (lateral magnocellular nucleus of the nidopallium), a forebrain nucleus involved in learning but not in adult singing. During babbling, neurons in LMAN exhibited premotor correlations to vocal output on a fast time scale. Thus, juvenile singing is driven by a circuit distinct from that which produces the adult behavior--a separation possibly general to other developing motor systems. 10.1126/science.1155140 KW - 130508 KW - motor_control AU - Aronov, Dmitriy AU - Andalman, Aaron AU - Fee, Michale PY - 2008/05/02/ UR - http://dx.doi.org/10.1126/science.1155140 ER -

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