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The Parcellation Of The Medial Geniculate-Body Of The Cat Defined By The Auditory Response Properties Of Single Units, Michael B. Calford
The Parcellation Of The Medial Geniculate-Body Of The Cat Defined By The Auditory Response Properties Of Single Units, Michael B. Calford
Illawarra Health and Medical Research Institute
Single unit responses were recorded in the medial geniculate body (MGB) of anesthetized cats. In response to acoustical stimulation the properties of response latency, discharge pattern, frequency tuning, binaural interaction, and habituation were examined to allow an appraisal of the differentiation of the MGB by electrophysiological means. It is found that definite boundaries can be determined at which there is a distinct change in response properties; the position of these "physiological boundaries" seems to correspond with the boundaries between the seven subnuclei of the MGB described by Morest (Morest, D. K. (1964) J. Anat. 98: 611-630) in Golgi-stained material. Using …