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Observations on tonotopic organization within the rat inferior colliculus using 2-deoxy-D[1-3H] glucose
J R Coleman1, M Campbell, W J Clerici
1Department of Psychology, School of Medicine, University of South Carolina, Columbia, USA.
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.