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Thalamic Gating Of Auditory Responses In Telencephalic Song Control Nuclei, Melissa J. Coleman, Arani Roy, J. Martin Wild, Richard Mooney
Thalamic Gating Of Auditory Responses In Telencephalic Song Control Nuclei, Melissa J. Coleman, Arani Roy, J. Martin Wild, Richard Mooney
WM Keck Science Faculty Papers
In songbirds, nucleus Uvaeformis (Uva) is the sole thalamic input to the telencephalic nucleus HVC (used as a proper name), a sensorimotor structure essential to learned song production that also exhibits state dependent responses to auditory presentation of the bird’s own song (BOS). The role of Uva in influencing HVC auditory activity is unknown. Using in vivo extracellular and intracellular recordings in urethane-anesthetized zebra finches, we characterized the auditory properties of Uva and examined its influence on auditory activity in HVC and in the telencephalic nucleus interface (NIf), the main auditory afferent of HVC and a corecipient of Uva input. …