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The majority (53%) of labeled cortical cells projecting to caudal regions were in visual association areas, and an additional 23% were in the ventral bank of the intraparietal sulcus, where neurons may have predominantly visual and visuomotor properties. In contrast, rostral area 8 had a much lower percentage of its cortical input originating in visual association areas (5%) or in the ventral bank ofthe intraparietal sulcus (8%). After HRP injection in this rostral part, 21% of labeled cells were in auditory association areas and 13% in paralimbic regions, whereas labeling in these two types of cortex was negligible after HRP administration to caudal parts of area 8. The percentage of cells in other association regions (portions of the banks of the superior temporal sulcus, dorsolateral parietal, medial parietal, and prefrontal cortices) was higher in the rostral (53%) than in the caudal case (21%). The results suggest that caudal area 8 may be involved in head and eye movements in response to visual stimuli, while its anterior subdivisions may be involved in directing the head and eyes in response to auditory stimuli. Furthermore, limbic input may also be relevant to the neural processing occurring in rostral frontal eye fields, perhaps by directing attention toward motivationally relevant stimuli.<\/jats:p>","DOI":"10.1002\/cne.902000309","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T18:39:50Z","timestamp":1104604790000},"page":"407-431","source":"Crossref","is-referenced-by-count":425,"title":["Organization of afferent input to subdivisions of area 8 in the rhesus monkey"],"prefix":"10.1002","volume":"200","author":[{"given":"H.","family":"Barbas","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M\u2010M.","family":"Mesulam","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","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1097\/00005072-194601000-00006","article-title":"Effect of extirpation of parastriate cortex on learned visual discrimination in monkeys","volume":"5","author":"Ades H. 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