Ipsilateral cortical connections of dorsal and ventral premotor areas in New World owl monkeys

The Journal of Comparative Neurology
I StepniewskaJ H Kaas

Abstract

In order to compare connections of premotor cortical areas of New World monkeys with those of Old World macaque monkeys and prosimian galagos, we placed injections of fluorescent tracers and wheat germ agglutinin-horseradish peroxidase (WGA-HRP) in dorsal (PMD) and ventral (PMV) premotor areas of owl monkeys. Motor areas and injection sites were defined by patterns of movements electrically evoked from the cortex with microelectrodes. Labeled neurons and axon terminals were located in brain sections cut either in the coronal plane or parallel to the surface of flattened cortex, and they related to architectonically and electrophysiologically defined cortical areas. Both the PMV and PMD had connections with the primary motor cortex (M1), the supplementary motor area (SMA), cingulate motor areas, somatosensory areas S2 and PV, and the posterior parietal cortex. Only the PMV had connections with somatosensory areas 3a, 1, 2, PR, and PV. The PMD received inputs from more caudal portions of the cortex of the lateral sulcus and more medial portions of the posterior parietal cortex than the PMV. The PMD and PMV were only weakly interconnected. New World owl monkeys, Old World macaque monkeys, and galagos share a number of PMV and PMD ...Continue Reading

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Citations

Jan 1, 2011·Language and Cognitive Processes·Jason A Tourville, Frank H Guenther
Jul 6, 2010·Cerebral Cortex·Leighton B N HinkleyElizabeth A Disbrow
Aug 13, 2011·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Omar A GharbawieJon H Kaas
Jan 18, 2016·Trends in Neurosciences·David J Ostry, Paul L Gribble
Jul 16, 2013·The Journal of Comparative Neurology·Christina M CerkevichJon H Kaas
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Oct 24, 2009·The Journal of Comparative Neurology·Iwona StepniewskaJon H Kaas
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Dec 14, 2007·The Journal of Comparative Neurology·Kathleen J BurmanMarcello G P Rosa
Nov 24, 2006·Journal of Neurophysiology·Leighton B HinkleyElizabeth A Disbrow
Jun 9, 2018·Neurotherapeutics : the Journal of the American Society for Experimental NeuroTherapeutics·Hisham Mohammed, Edmund R Hollis
Oct 9, 2020·The Journal of Comparative Neurology·Chia-Chi LiaoJon H Kaas
Jun 13, 2021·Neuroscience and Biobehavioral Reviews·Julie RoyoMichel Thiebaut de Schotten

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