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Cortical projections from the dorsal lateral geniculate nucleus of cats
Author(s) -
Glickstein Mitchell,
King Richard A.,
Miller Josef,
Berkley Mark
Publication year - 1967
Publication title -
journal of comparative neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.855
H-Index - 209
eISSN - 1096-9861
pISSN - 0021-9967
DOI - 10.1002/cne.901300104
Subject(s) - degeneration (medical) , geniculate , cats , anatomy , biology , commissure , lesion , neuroscience , nucleus , lateral geniculate nucleus , thalamus , dorsum , visual cortex , pathology , medicine
Lesions were placed in the dorsal lateral geniculate nucleus of cats (LGN) and cortical degeneration studied with a modified Nauta method. Besides local degeneration attributable to the electrode track, dense projections to Areas 17 and 18 ipsilateral to the lesion were found. Medium or dense degeneration was found on both banks of the suprasylvian fissure ipsilaterally and light degeneration widely distributed in Area 19 and on the suprasylvian and posterior ectosylvian gyri. In addition to commissural degeneration homotopic to the electrode track, degenerating fibers were found in the visual areas of the opposite hemisphere, suggesting the presence of a crossed geniculo‐cortical pathway.