Abstract
Horseradish peroxidase (HRP) was applied microiontophoretically to nine individual columns in fields 17 and six columns in field 18 of the cat cerebral cortex. Most labeled cells in the dorsal lateral geniculate body were identified in layer A. The ratio of number of labeled cells in layer A to the number of labeled cells in layer A1 was assessed (the A/A1 ratio). Application of HRP to columns in field 17 yielded A/A1 ratios of 0.5 to 2.5; application to field 18 gave ratios ranging from 0.2 to 0.9. This suggests that the fields studied here contained columns which were afferent in relation to the ipsilateral eye and the contralateral eye.
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Toporova, S.N., Alekseenko, S.V. & Makarov, F.N. Afferent Connections of Fields 17 and 18 of the Cat Cerebral Cortex Formed by Neurons of the Dorsal Lateral Geniculate Body. Neurosci Behav Physiol 34, 515–518 (2004). https://doi.org/10.1023/B:NEAB.0000022640.25710.0b
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DOI: https://doi.org/10.1023/B:NEAB.0000022640.25710.0b