1984
DOI: 10.1002/cne.902220206
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The neuronal architecture of the inferior colliculus in the cat: Defining the functional anatomy of the auditory midbrain

Abstract: This study defines anatomical subdivisions in Golgi-impregnated material from the inferior colliculus of the cat. The findings demonstrate that the inferior colliculus consists of a mosaic of morphologically distinct parts of neuropil. Each part is also characterized by a unique set of neuronal types. Each part of the inferior colliculus can be defined as tectal or tegmental on the basis of the fundamental pattern of dendritic branching. The main subdivisions of the auditory tectum are the central nucleus, the… Show more

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Cited by 347 publications
(173 citation statements)
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References 52 publications
(1 reference statement)
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“…Neurons in the IC were differentiated based on size (Faye-Lund and Osen, 1985; Malmierca et al, 1993Malmierca et al, , 1995Morest & Oliver, 1984; Oliver refs. Peruzzi et al, 2000).…”
Section: Generalmentioning
confidence: 99%
“…Neurons in the IC were differentiated based on size (Faye-Lund and Osen, 1985; Malmierca et al, 1993Malmierca et al, , 1995Morest & Oliver, 1984; Oliver refs. Peruzzi et al, 2000).…”
Section: Generalmentioning
confidence: 99%
“…Morest and Oliver (1984) described the cat IC as comprising tectal and tegmental regions based on rapid Golgi staining of cells and axons. The tectal component they described consisted of a large, CNIC characterized by its predominant disk-shaped cells, a cortex (both dorsal and caudal to the CNIC), and various paracentral nuclei.…”
Section: Working Measure Of the Cnicmentioning
confidence: 99%
“…In the auditory midbrain, the inferior colliculus (IC) is comprised of a large, seemingly homogeneous, central nucleus (CNIC) surrounded by a complex and heterogeneous arrangement of several paracentral nuclei (Berman, 1968;Rockel and Jones, 1973a,b;Morest and Oliver, 1984 (Rockel and Jones, 1973a;Oliver and Morest, 1984). With only a few exceptions, all ascending hindbrain auditory pathways project to the CNIC and end in cochleotopic fashion within a series of these fibrodendritic layers.…”
Section: Introductionmentioning
confidence: 99%
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“…In the cat, disc-shaped neurons have dendrites oriented in parallel to create ®bro-dendritic laminae, while stellate neurons are perpendicular to the laminae. 26,32,33,51,52 In the rat, the thickness of the dendritic tree, rather than the orientation is more diagnostic. Two neuron classes (¯at and less-¯at) are seen in adult rats, but both types parallel the laminae.…”
Section: Neuron Types In the Inferior Colliculusmentioning
confidence: 99%