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Observations on Tonotopic Organization within the Rat Inferior Colliculus Using 2‐Deoxy‐D[1‐3H] Glucose

James R. Coleman, Maurice Campbell, William J. Clerici

Abstract

Tonotopic organization is a major feature of central auditory structures. The tritiated 2-deoxyglucose metabolic marking technique is demonstrated to be useful for visualizing isofrequency contours in the rat inferior colliculus. Following pure-tone stimulation, the central nucleus of the inferior colliculus shows discrete, prominent banding patterns and a well-organized tonotopic arrangement.

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Available abstract

Key concepts: Inferior colliculus, Tonotopy, Inferior Colliculi, Neuroscience, Nucleus, Biology, Auditory cortex