FM velocity selectivity in the inferior colliculus is inherited from velocity-selective inputs and enhanced by spike threshold

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FM velocity selectivity in the inferior colliculus is inherited from velocity-selective inputs and enhanced by spike threshold.

Frequency modulation (FM) is computed from the temporal sequence of activated auditory nerve fibers representing different frequencies. Most studies in the inferior colliculus (IC) have inferred from extracellular recordings that the precise timing of nonselective inputs creates selectivity for FM direction and velocity (Andoni S, Li N, Pollak GD. J Neurosci 27: 4882-4893, 2007; Fuzessery ZM, R...

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Motion direction is a crucial cue for predicting future states in natural scenes. In the auditory system, the mechanisms that confer direction selectivity to neurons are not well understood. Neither is it known whether sound motion is encoded independently of stationary sound location. Here we investigated these questions in neurons of the owl's external nucleus of the inferior colliculus, wher...

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ژورنال

عنوان ژورنال: Journal of Neurophysiology

سال: 2011

ISSN: 0022-3077,1522-1598

DOI: 10.1152/jn.00250.2011