{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T06:58:46Z","timestamp":1789628326849,"version":"build-2803163510"},"reference-count":52,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2004,10,9]],"date-time":"2004-10-09T00:00:00Z","timestamp":1097280000000},"content-version":"vor","delay-in-days":6357,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Comparative Neurology"],"published-print":{"date-parts":[[1987,5,15]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The relative numbers and locations of neurons projecting to the \u201cfore\u2010limb\u201d region of the precentral motor cortex were studied in three monkeys by using the retrograde transport of horseradish peroxidase. Within the forelimb area of the motor cortex itself, there are extensive and profuse interconnections. However, regions within this area receive afferents from very few neurons in other parts of the motor cortex representing hindlimb or head movements. Most of the motor cortical representation of the forelimb in the anterior bank of the central sulcus is devoid of callosal connections.<\/jats:p><jats:p>In both the ipsilateral and contralateral hemispheres, the premotor (lateral area 6) and supplementary motor (medial area 6) areas dominate quantitatively the inputs to the motor cortical representation of the forelimb. The afferents from the premotor area are restricted and come from a region immediately behind the arcuate spur and adjacent parts of the superior and inferior limbs of the arcuate sulcus in the floor, caudal bank, and caudal lip of that sulcus. From the supplementary motor area (SMA), afferents originate from its whole rostrocaudal extent. Thalamic nuclear regions projecting to a restricted zone in the anterior bank of the central sulcus are recipients of cerebellar and somatosensory outputs. Involvement of more anterior parts of the motor cortex by the tracer labels thalamocortical cells, which are targets of pallidal output also. Within the first somatosensory cortex, cytoarchitectonic areas 1, 2, and 3a project to area 4. The projection from area 3a may provide one pathway by which short\u2010latency peripheral inputs, especially from muscles, reach the motor cortex.<\/jats:p>","DOI":"10.1002\/cne.902590309","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T20:27:46Z","timestamp":1104611266000},"page":"424-444","source":"Crossref","is-referenced-by-count":173,"title":["A quantitative study of the distribution of neurons projecting to the precentral motor cortex in the monkey (<i>M. fascicularis<\/i>)"],"prefix":"10.1002","volume":"259","author":[{"given":"S.","family":"Ghosh","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Brinkman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Porter","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,10,9]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"31","article-title":"Mapping by microstimulation of projections on from Area 4 to motor units of the baboon's hand","volume":"188","author":"Anderson P.","year":"1975","journal-title":"Proc. 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