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Vocal circuitry in Xenopus laevis : Telencephalon to laryngeal motor neurons by Catherine J. Brahic; Darcy B. Kelley is a Neuroscience article available to read on EtoBox.

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## Abstract Sexually differentiated calling patterns of __Xenopus laevis__ are conveyed to the vocal organ by a dedicated neuromuscular system. Here, we define afferents to vocal motor neurons and determine whether the connectivity of the vocal pathway is sexually differentiated. The use of fluorescent dextran amines and the isolated brain preparation readily permitted identification of anterograde and retrograde connectivity patterns. The whole‐mount preparation allowed us to observe projections in their entirety, including cells of origin of a projection (for retrograde projections), terminal fields (for anterograde connections), and fiber tracts. Major findings are the confirmation of a robust and reciprocal connection between cranial nucleus (n.) IX‐X and the pretrigeminal nucleus of the dorsal tegmental area of the medulla (DTAM) as well as between DTAM and the ventral striatum (VS). Newly revealed is the extensive connectivity between the rostral subdivision of the dorsal nucleus raphe (rRpd) and candidate vocal nuclei. In contrast to previous results using peroxidase, we did not observe dramatic sex differences in connectivity, although some connections were less robust in f

Who reads Vocal circuitry in Xenopus laevis : Telencephalon to laryngeal motor neurons?

Author

Catherine J. Brahic; Darcy B. Kelley

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley; Research Square (ISSN 0021-9967)

Published

2003

Language

EN

Field

Neuroscience (Life Sciences)