{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,29]],"date-time":"2026-06-29T16:32:44Z","timestamp":1782750764552,"version":"3.54.5"},"reference-count":51,"publisher":"Society for Neuroscience","issue":"40","license":[{"start":{"date-parts":[[2016,4,7]],"date-time":"2016-04-07T00:00:00Z","timestamp":1459987200000},"content-version":"vor","delay-in-days":183,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Neurosci."],"published-print":{"date-parts":[[2015,10,7]]},"abstract":"<jats:p>Humans and animals are fairly accurate in judging their direction of self-motion (i.e., heading) from optic flow when moving through a stationary environment. However, an object moving independently in the world alters the optic flow field and may bias heading perception if the visual system cannot dissociate object motion from self-motion. We investigated whether adding vestibular self-motion signals to optic flow enhances the accuracy of heading judgments in the presence of a moving object. Macaque monkeys were trained to report their heading (leftward or rightward relative to straight-forward) when self-motion was specified by vestibular, visual, or combined visual-vestibular signals, while viewing a display in which an object moved independently in the (virtual) world. The moving object induced significant biases in perceived heading when self-motion was signaled by either visual or vestibular cues alone. However, this bias was greatly reduced when visual and vestibular cues together signaled self-motion. In addition, multisensory heading discrimination thresholds measured in the presence of a moving object were largely consistent with the predictions of an optimal cue integration strategy. These findings demonstrate that multisensory cues facilitate the perceptual dissociation of self-motion and object motion, consistent with computational work that suggests that an appropriate decoding of multisensory visual-vestibular neurons can estimate heading while discounting the effects of object motion.<\/jats:p><jats:p><jats:bold>SIGNIFICANCE STATEMENT<\/jats:bold>Objects that move independently in the world alter the optic flow field and can induce errors in perceiving the direction of self-motion (heading). We show that adding vestibular (inertial) self-motion signals to optic flow almost completely eliminates the errors in perceived heading induced by an independently moving object. Furthermore, this increased accuracy occurs without a substantial loss in the precision. Our results thus demonstrate that vestibular signals play a critical role in dissociating self-motion from object motion.<\/jats:p>","DOI":"10.1523\/jneurosci.2267-15.2015","type":"journal-article","created":{"date-parts":[[2015,10,7]],"date-time":"2015-10-07T19:28:53Z","timestamp":1444246133000},"page":"13599-13607","source":"Crossref","is-referenced-by-count":56,"title":["Multisensory Integration of Visual and Vestibular Signals Improves Heading Discrimination in the Presence of a Moving Object"],"prefix":"10.1523","volume":"35","author":[{"given":"Kalpana","family":"Dokka","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1635-1273","authenticated-orcid":false,"given":"Gregory C.","family":"DeAngelis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dora E.","family":"Angelaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"393","published-online":{"date-parts":[[2015,10,7]]},"reference":[{"key":"2023041304193044000_35.40.13599.1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.neuro.31.060407.125555"},{"key":"2023041304193044000_35.40.13599.2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1749-6632.1999.tb09191.x"},{"key":"2023041304193044000_35.40.13599.3","doi-asserted-by":"publisher","DOI":"10.1167\/10.2.23"},{"key":"2023041304193044000_35.40.13599.4","doi-asserted-by":"publisher","DOI":"10.1163\/187847511X588070"},{"key":"2023041304193044000_35.40.13599.5","doi-asserted-by":"publisher","DOI":"10.1007\/s00221-014-4136-1"},{"key":"2023041304193044000_35.40.13599.6","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.4522-12.2013"},{"key":"2023041304193044000_35.40.13599.7","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0051383"},{"key":"2023041304193044000_35.40.13599.8","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0056862"},{"key":"2023041304193044000_35.40.13599.9","doi-asserted-by":"publisher","DOI":"10.1007\/s00221-013-3683-1"},{"key":"2023041304193044000_35.40.13599.10","doi-asserted-by":"publisher","DOI":"10.1093\/cercor\/bht247"},{"key":"2023041304193044000_35.40.13599.11","doi-asserted-by":"crossref","first-page":"1816","DOI":"10.1152\/jn.1998.80.4.1816","article-title":"MST neurons respond to optic flow and translational movement","volume":"80","author":"Duffy","year":"1998","journal-title":"J Neurophysiol"},{"key":"2023041304193044000_35.40.13599.12","doi-asserted-by":"crossref","first-page":"1346","DOI":"10.1152\/jn.1991.65.6.1346","article-title":"Sensitivity of MST neurons to optic flow stimuli: II. 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