{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T00:06:49Z","timestamp":1784678809824,"version":"3.55.0"},"reference-count":35,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,4,15]],"date-time":"2026-04-15T00:00:00Z","timestamp":1776211200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,4,15]],"date-time":"2026-04-15T00:00:00Z","timestamp":1776211200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["movementdisorders.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Movement Disorders"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Functional neurological disorders (FNDs) are common, disabling conditions that are genuinely experienced and arise from functional rather than structural abnormalities. Although theoretical frameworks implicate aberrant integration of prior expectations and sensory input, empirical evidence is limited, and it remains unclear whether such alterations reflect symptom\u2010specific deficits or broader trait characteristics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To determine whether individuals with functional tremor exhibit altered integration of prior expectations and sensory input, by comparing their rate of adaptation to a split\u2010belt gait perturbation with that of healthy controls.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We examined split\u2010belt treadmill adaptation\u2014a paradigm inducing mismatch between predicted and actual sensory feedback\u2014in patients with functional upper\u2010limb tremor and age\u2010matched healthy control subjects. Fifteen patients and 15 control subjects were recruited; three patients were excluded postenrolment because of the presence of functional gait features resulting in an inability to walk unsupported. Participants completed fast and slow tied\u2010belt baseline walking, 7\u2009minutes of split\u2010belt adaptation, and 4\u2009minutes of washout (ie, slow tied\u2010belt walking). Adaptation and washout of step length asymmetry were quantified using single\u2010exponential fits.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Baseline spatiotemporal gait parameters did not differ between groups. Patients with functional tremor adapted step length asymmetry significantly faster than control subjects (26.7\u2009\u00b1\u200924.9\u2009seconds vs. 100.6\u2009\u00b1 82.2\u2009seconds;\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.006) and showed faster adaptation when returning to tied\u2010belt modus (4.1\u2009\u00b1\u20095.9\u2009seconds vs. 12.2\u2009\u00b1\u200911.3\u2009seconds;\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.033).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      These findings indicate that individuals with functional tremor exhibit enhanced adaptation to novel sensorimotor contexts, contrasting with slowed adaptation reported in other neurological populations such as Parkinson's disease. Because this study included people with upper\u2010limb functional tremor, accelerated adaptation may reflect a predisposing trait of FND rather than a symptom\u2010specific or task\u2010dependent phenomenon. \u00a9 2026 The Author(s).\n                      <jats:italic>Movement Disorders<\/jats:italic>\n                      published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/mds.70316","type":"journal-article","created":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T06:38:47Z","timestamp":1776321527000},"page":"1856-1862","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Accelerated Split\u2010Belt Gait Adaptation in Patients with Functional Tremor: Clues to a Generalized Precipitating Trait?"],"prefix":"10.1002","volume":"41","author":[{"given":"Jorik","family":"Nonnekes","sequence":"first","affiliation":[{"name":"Department of Rehabilitation, Centre of Expertise for Parkinson &amp; Movement Disorders Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behaviour  Nijmegen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danique","family":"Vierhoven","sequence":"additional","affiliation":[{"name":"Department of Neurology, University Medical Center Groningen University of Groningen  Groningen the Netherlands"},{"name":"Expertise Centre Movement Disorders Groningen, University Medical Center Groningen  Groningen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helena","family":"Cockx","sequence":"additional","affiliation":[{"name":"Department of Neurology, Centre of Expertise for Parkinson &amp; Movement Disorders Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behaviour  Nijmegen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marina A.J.","family":"Tijssen","sequence":"additional","affiliation":[{"name":"Department of Neurology, University Medical Center Groningen University of Groningen  Groningen the Netherlands"},{"name":"Expertise Centre Movement Disorders Groningen, University Medical Center Groningen  Groningen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tom J.W.","family":"Buurke","sequence":"additional","affiliation":[{"name":"Department of Human Movement Sciences, University Medical Center Groningen University of Groningen  Groningen the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,4,15]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(21)00422-1"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.m3745"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamaneurol.2018.1264"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(11)70310-6"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/mdc3.70136"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/aws129"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrn2787"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awaa202"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neubiorev.2021.04.005"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1152\/jn.00089.2005"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00227344"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.2622-06.2006"},{"key":"e_1_2_9_14_1","article-title":"Adaptive 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