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The left\u00a0lateral posterior parietal cortex (LPPC) has long been associated with multisensory information processing, and it plays an important role in visual and haptic crossmodal information retrieval. However, it remains unclear how LPPC subregions are involved in visuo\u2010haptic crossmodal retrieval processing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In the present study,\u00a0we used an fMRI experiment with a\u00a0crossmodal delayed match\u2010to\u2010sample paradigm to reveal the functional role of LPPC subregions related to unimodal and crossmodal dot\u2010surface retrieval.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The visual\u2010to\u2010haptic condition enhanced the activity of the left inferior parietal lobule relative to the haptic unimodal condition, whereas the inverse condition enhanced the activity of the left superior parietal lobule. By contrast, activation of the left intraparietal sulcus did not differ significantly between the crossmodal and unimodal conditions. Seed\u2010based resting connectivity analysis revealed that these three left LPPC subregions engaged distinct networks, confirming their different functions\u00a0in crossmodal retrieval processing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Taken together,\u00a0the findings suggest that functional heterogeneity of the left LPPC during visuo\u2010haptic crossmodal\u00a0dot\u2010surface retrieval processing reflects that the left LPPC does not simply contribute to retrieval of past information; rather, each subregion has a specific functional role in resolving different task requirements.<\/jats:p><\/jats:sec>","DOI":"10.1002\/brb3.2033","type":"journal-article","created":{"date-parts":[[2021,1,20]],"date-time":"2021-01-20T06:31:15Z","timestamp":1611124275000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Functional heterogeneity in the left lateral posterior parietal cortex during visual and haptic crossmodal dot\u2010surface matching"],"prefix":"10.1002","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7521-9814","authenticated-orcid":false,"given":"Jiajia","family":"Yang","sequence":"first","affiliation":[{"name":"Graduate School of Interdisciplinary Science and Engineering in Health Systems Okayama University Okayama Japan"},{"name":"Section on Functional Imaging Methods National Institute of Mental Health Bethesda MD USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yinghua","family":"Yu","sequence":"additional","affiliation":[{"name":"Graduate School of Interdisciplinary Science and Engineering in Health Systems Okayama University Okayama Japan"},{"name":"Section on Functional Imaging Methods National Institute of Mental Health Bethesda MD USA"},{"name":"Center for Information and Neural Networks National Institute of Information and Communications Technology Suita Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6156-0488","authenticated-orcid":false,"given":"Hiroaki","family":"Shigemasu","sequence":"additional","affiliation":[{"name":"Kochi University of Technology Kochi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroshi","family":"Kadota","sequence":"additional","affiliation":[{"name":"Kochi University of Technology Kochi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6701-6216","authenticated-orcid":false,"given":"Kiyoshi","family":"Nakahara","sequence":"additional","affiliation":[{"name":"Kochi University of Technology Kochi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4023-0674","authenticated-orcid":false,"given":"Takanori","family":"Kochiyama","sequence":"additional","affiliation":[{"name":"ATR Brain Activity Imaging Center Kyoto Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshimichi","family":"Ejima","sequence":"additional","affiliation":[{"name":"Graduate School of Interdisciplinary Science and Engineering in Health Systems Okayama University Okayama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinglong","family":"Wu","sequence":"additional","affiliation":[{"name":"Graduate School of Interdisciplinary Science and Engineering in Health Systems Okayama University Okayama Japan"},{"name":"Beijing Institute of Technology Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,1,19]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2007.07.007"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cortex.2016.12.007"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.00303.2015"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrn2459"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1006\/cbmr.1996.0014"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00221-009-1907-1"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/cercor\/bhu294"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2004.12.034"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrn2201"},{"key":"e_1_2_10_11_1","doi-asserted-by":"crossref","unstructured":"Friston K. 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