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In this way, prosimian primates, close relatives of simian primates, and tree shrews differ markedly from monkeys in which S\u2010II is deactivated by comparable ablations, and resemble such mammals as cats and rabbits in which S\u2010II also remains highly responsive following ablations in S\u2010I. Thus, it appears that the generalized mammalian condition is that S\u2010I and S\u2010II are independently activated via parallel thalamocortical pathways. A dependence of S\u2010II on serial connections from the thalamus to the S\u2010I region and then to S\u2010II apparently evolved with the advent of anthropoid primates, and may be present only in monkeys and perhaps other higher primates.<\/jats:p>","DOI":"10.1002\/cne.903110209","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T22:41:09Z","timestamp":1104619269000},"page":"289-299","source":"Crossref","is-referenced-by-count":57,"title":["Parallel thalamic activation of the first and second somatosensory areas in prosimian primates and tree shrews"],"prefix":"10.1002","volume":"311","author":[{"given":"P. E.","family":"Garraghty","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S. L.","family":"Florence","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W. 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