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Milner &amp; M.A. Goodale (1995) <jats:italic>The Visual Brain in Action<\/jats:italic>, Oxford University Press, Oxford]. However, it is possible that ongoing processes in the visuomotor stream will nevertheless have an effect on perceptual processes. This possibility was examined in the present study. We have examined the visual form\u2010discrimination performance of the form\u2010agnosic patient D.F. with and without a concurrent visuomotor task, and found that her performance was significantly improved in the former condition. This suggests that the visuomotor behaviour provides cues that enhance her ability to recognize the form of the target object. In control experiments we have ruled out proprioceptive and efferent cues, and therefore propose that D.F. can, to a significant degree, access the object's visuomotor representation in the dorsal stream. Moreover, we show that the grasping\u2010induced perceptual improvement disappears if the target objects only differ with respect to their shape but not their width. This suggests that shape information <jats:italic>per se<\/jats:italic> is not used for this grasping task.<\/jats:p>","DOI":"10.1111\/j.1460-9568.2006.05017.x","type":"journal-article","created":{"date-parts":[[2006,9,15]],"date-time":"2006-09-15T14:51:56Z","timestamp":1158331916000},"page":"1495-1503","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["Concurrent visuomotor behaviour improves form discrimination in a patient with visual form agnosia"],"prefix":"10.1111","volume":"24","author":[{"given":"Thomas","family":"Schenk","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. 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