Journal
NEUROREPORT
Volume 12, Issue 2, Pages 353-358Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00001756-200102120-00034
Keywords
area X; basal ganglia; Bengalese finches; motor control; songbirds; song learning
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The avian song system consists of two main parts: the descending motor pathway and the anterior forebrain (AF) pathway. The former directly controls the motor act of singing, but the role of the AF pathway in real-time song production is not understood; lesioning a nucleus in the AF pathway in adult zebra finches did not cause any notable effects. Here we show that in a related species of songbirds, the Bengalese finch, a partial lesion located in Area X, a nucleus of the avian basal ganglia that is part of the AF pathway, causes a transient but substantial song motor deficit. This is the first demonstration that the AF pathway is involved in real-time song production in adulthood. NeuroReport 12:353-358 (C) 2001 Lippincott Williams & Wilkins.
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