{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T22:12:29Z","timestamp":1788559949787,"version":"build-2803163510"},"reference-count":37,"publisher":"SAGE Publications","issue":"9","license":[{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Cephalalgia"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Visual snow syndrome (VSS) is characterized by persistent visual disturbances and is considered to involve altered sensory integration and salience processing. Neuroimaging studies suggest aberrant attention and salience network integration, yet the real-time interaction between internal bodily signals and external sensory processing remains unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We conducted a case\u2013control electroencephalogram study in 18 VSS patients and 16 matched controls performing a visual oddball task with standard and deviant stimuli. Heartbeat-evoked potentials (HEP) were extracted as an index of cortical interoceptive processing and visual mismatch negativity (MMN) as a marker of exteroceptive prediction error. Trial-wise analyses and source localization assessed interoceptive\u2013exteroceptive interactions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>VSS participants exhibited altered HEP amplitudes relative to controls, together with reduced condition-dependent differentiation between standard and deviant trials. The relationship between HEP and MMN amplitudes was significantly moderated by group and associated with symptom intensity in VSS. Source analysis localized these effects to a left frontotemporal network.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>VSS is associated with altered interoceptive\u2013exteroceptive interactions during visual perception, which may contribute to persistent visual symptoms.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03331024261480300","type":"journal-article","created":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T22:37:03Z","timestamp":1788388623000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Altered integration of bodily and visual signals in visual snow syndrome"],"prefix":"10.1177","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-1897-2630","authenticated-orcid":false,"given":"Sophie","family":"De Beukelaer","sequence":"first","affiliation":[{"name":"University of Bern"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Insa","family":"Schlossmacher","sequence":"additional","affiliation":[{"name":"University of M\u00fcnster"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4198-3130","authenticated-orcid":false,"given":"Sarah A.","family":"Aeschlimann","sequence":"additional","affiliation":[{"name":"University of Bern"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonia","family":"Klein","sequence":"additional","affiliation":[{"name":"University of Bern"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreas","family":"Szukics","sequence":"additional","affiliation":[{"name":"University of Bern"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Ertl","sequence":"additional","affiliation":[{"name":"University of Bern"},{"name":"University of Lucerne"},{"name":"University of Lucerne"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4668-6098","authenticated-orcid":false,"given":"Christoph J.","family":"Schankin","sequence":"additional","affiliation":[{"name":"University of Bern"},{"name":"Bellevue Medical Group, Centre of Migraine and Headache, Zurich, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,9,2]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1098\/rstb.2005.1622"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tics.2013.09.007"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awu050"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.0000000000008909"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1002\/hbm.25343"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/acn3.50986"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.5587-06.2007"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awaa053"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1093\/braincomms\/fcac164"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2022.119530"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1038\/nn.3671"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1098\/rstb.2016.0003"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1093\/cercor\/bhx136"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-017-16595-9"},{"key":"e_1_3_3_16_2","article-title":"Skipping a beat: heartbeat-evoked potentials reflect predictions during interoceptive-exteroceptive integration","volume":"1","author":"Banellis L","year":"2020","unstructured":"Banellis L, Cruse D. 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