{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T11:46:27Z","timestamp":1790423187311,"version":"4.1.0"},"reference-count":14,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,2,16]],"date-time":"2026-02-16T00:00:00Z","timestamp":1771200000000},"content-version":"vor","delay-in-days":15,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["HE 2689\/6\u20101"],"award-info":[{"award-number":["HE 2689\/6\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["HE 2689\/6\u20101"],"award-info":[{"award-number":["HE 2689\/6\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["HE 2689\/6\u20101"],"award-info":[{"award-number":["HE 2689\/6\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["HE 2689\/6\u20101"],"award-info":[{"award-number":["HE 2689\/6\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["HE 2689\/6\u20101"],"award-info":[{"award-number":["HE 2689\/6\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["HE 2689\/6\u20101"],"award-info":[{"award-number":["HE 2689\/6\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Brain and Behavior"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Persistent postural\u2010perceptual dizziness (PPPD) has been classified by the B\u00e1r\u00e1ny Society as a chronic functional dizziness disorder with perceived unsteadiness. Symptoms typically worsen by upright posture or exposure to moving visual stimuli or complex visual patterns. The specific visual features remain poorly defined. We investigated how visual, vestibular, and combined visual\u2013vestibular stimulation affects egomotion perception in PPPD patients, comparing responses in upright and supine positions to those of age\u2010matched healthy controls (HC).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Participants performed a self\u2010rating of perceived egomotion in two sessions with two different body positions: supine and upright standing. During both sessions, participants were exposed to three types of visual stimulation designed to differ by the degree of elicited egomotion: a black\u2010and\u2010white silent movie, a flow field animation, and a rollercoaster video from the driver's perspective. Each visual stimulus was presented in combination with one of three binaural vestibular galvanic stimulation conditions (GVS): no stimulation (noGVS), fixed intensity stimulation (fixGVS: 1.3\u00a0mA), or sham (sham: 1.3\u00a0mA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>PPPD patients consistently reported stronger egomotion than HC, regardless of the stimulation condition. Both visual and vestibular inputs robustly influenced egomotion perception in standing and supine positions. Egomotion perception of PPPD patients in the standing, compared to the supine position, was larger during rollercoaster stimulation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Our findings challenge the notion of generalized visual hypersensitivity in PPPD. They rather point to a context\u2010dependent alteration of egomotion perception during upright stance. Differences disappear with concomitant vestibular stimulation supporting the need for vestibular rehabilitation in PPPD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/brb3.71268","type":"journal-article","created":{"date-parts":[[2026,2,17]],"date-time":"2026-02-17T06:29:07Z","timestamp":1771309747000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Visual\u2013Vestibular Modification of Egomotion Perception in Patients With Persistent Postural\u2010Perceptual Dizziness in Supine and Standing Positions"],"prefix":"10.1002","volume":"16","author":[{"given":"Skadi","family":"Gerkensmeier","sequence":"first","affiliation":[{"name":"Department of Neurology University Hospital Schleswig\u2010Holstein  L\u00fcbeck Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hannah","family":"Keller","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Schleswig\u2010Holstein  L\u00fcbeck Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pia","family":"Herborn","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Schleswig\u2010Holstein  L\u00fcbeck Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-8111-6281","authenticated-orcid":false,"given":"Renana","family":"Storm","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Schleswig\u2010Holstein  L\u00fcbeck Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph","family":"Helmchen","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Schleswig\u2010Holstein  L\u00fcbeck Germany"},{"name":"Center of Brain Behavior and Metabolism (CBBM) University of L\u00fcbeck  L\u00fcbeck Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreas","family":"Sprenger","sequence":"additional","affiliation":[{"name":"Department of Neurology University Hospital Schleswig\u2010Holstein  L\u00fcbeck Germany"},{"name":"Center of Brain Behavior and Metabolism (CBBM) University of L\u00fcbeck  L\u00fcbeck Germany"},{"name":"Institute of Psychology II University of L\u00fcbeck  L\u00fcbeck Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,2,16]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.3389\/fneur.2025.1550469"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0061862"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.3389\/fneur.2022.880714"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/2041-210X.12504"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/MAO.0000000000003393"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp\u20102022\u2010329321"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1136\/practneurol\u20102017\u2010001809"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.3389\/fneur.2017.00529"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.3233\/VES\u2010160583"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1212\/01.CON.0000421622.56525.58"},{"key":"e_1_2_11_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ncl.2023.04.003"},{"key":"e_1_2_11_13_1","doi-asserted-by":"publisher","DOI":"10.3233\/VES\u2010170622"},{"key":"e_1_2_11_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00415\u2010024\u201012255\u2010x"},{"key":"e_1_2_11_15_1","doi-asserted-by":"publisher","DOI":"10.1097\/MAO.0000000000002325"}],"container-title":["Brain 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