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However, it is unclear how these programs operate together. Networks for reaching, grasping, and bimanual coordination might converge in common brain areas. For example, Brodmann area 7 (BA7) is known to activate in disparate tasks involving the three types of movements separately. Here, we asked whether BA7 plays a key role in integrating coordinated reach-to-grasp movements for both arms together. To test this, we applied transcranial magnetic stimulation (TMS) to disrupt BA7 activity in the left and right hemispheres, while human participants performed a bimanual size-perturbation grasping task using the index and middle fingers of both hands to grasp a rectangular object whose orientation (and thus grasp-relevant width dimension) might or might not change. We found that TMS of the right BA7 during object perturbation disrupted the bimanual grasp and transport\/coordination components, and TMS over the left BA7 disrupted unimanual grasps. These results show that right BA7 is causally involved in the integration of reach-to-grasp movements of the two arms.<\/jats:p>\n                  <jats:p>NEW &amp; NOTEWORTHY Our manuscript describes a role of human Brodmann area 7 (BA7) in the integration of multiple visuomotor programs for reaching, grasping, and bimanual coordination. Our results are the first to suggest that right BA7 is critically involved in the coordination of reach-to-grasp movements of the two arms. The results complement previous reports of right-hemisphere lateralization for bimanual grasps.<\/jats:p>","DOI":"10.1152\/jn.00299.2016","type":"journal-article","created":{"date-parts":[[2016,11,10]],"date-time":"2016-11-10T08:53:21Z","timestamp":1478768001000},"page":"624-636","source":"Crossref","is-referenced-by-count":37,"title":["Parietal area BA7 integrates motor programs for reaching, grasping, and bimanual coordination"],"prefix":"10.1152","volume":"117","author":[{"given":"Ada","family":"Le","sequence":"first","affiliation":[{"name":"Department of Psychology, University of Toronto Scarborough, Toronto, Ontario, Canada;"},{"name":"Centre for Vision Research, York University, Toronto, Ontario, Canada;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Vesia","sequence":"additional","affiliation":[{"name":"Centre for Vision Research, York University, Toronto, Ontario, Canada;"},{"name":"Division of Neurology and Krembil Neuroscience Centre, Toronto Western Research Institute, University of Toronto, Toronto, Ontario, Canada;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaogang","family":"Yan","sequence":"additional","affiliation":[{"name":"Centre for Vision Research, York University, Toronto, Ontario, Canada;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. 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