{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,4]],"date-time":"2025-12-04T09:50:50Z","timestamp":1764841850191,"version":"3.40.4"},"reference-count":49,"publisher":"S. Karger AG","issue":"2","license":[{"start":{"date-parts":[[2016,6,25]],"date-time":"2016-06-25T00:00:00Z","timestamp":1466812800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2016,6,25]],"date-time":"2016-06-25T00:00:00Z","timestamp":1466812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Dement Geriatr Cogn Disord Extra"],"abstract":"<jats:p>&lt;b&gt;&lt;i&gt;Background\/Aims:&lt;\/i&gt;&lt;\/b&gt; Alzheimer's disease (AD) patients have an impaired ability to quickly reweight central sensory dependence in response to unexpected body perturbations. Herein, we aim to study provoked compensatory postural adjustments (CPAs) in a conflicting sensory paradigm with unpredictable visual displacements using virtual reality goggles. &lt;b&gt;&lt;i&gt;Methods:&lt;\/i&gt;&lt;\/b&gt; We used kinematic time-frequency analyses of two frequency bands: a low-frequency band (LB; 0.3-1.5 Hz; mechanical strategy) and a high-frequency band (HB; 1.5-3.5 Hz; cognitive strategy). We enrolled 19 healthy subjects (controls) and 21 AD patients, divided according to their previous history of falls. &lt;b&gt;&lt;i&gt;Results:&lt;\/i&gt;&lt;\/b&gt; The AD faller group presented higher-power LB CPAs, reflecting their worse inherent postural stability. The AD patients had a time lag in their HB CPA reaction. &lt;b&gt;&lt;i&gt;Conclusion:&lt;\/i&gt;&lt;\/b&gt; The slower reaction by CPA in AD may be a reflection of different cognitive resources including body schema self-perception, visual motion, depth perception, or a different state of fear and\/or anxiety.<\/jats:p>","DOI":"10.1159\/000447124","type":"journal-article","created":{"date-parts":[[2016,6,24]],"date-time":"2016-06-24T21:01:33Z","timestamp":1466802093000},"page":"252-267","source":"Crossref","is-referenced-by-count":29,"title":["Compensatory Postural Adjustments in an Oculus Virtual Reality Environment and the Risk of Falling in Alzheimer's Disease"],"prefix":"10.1159","volume":"6","author":[{"given":"Miguel F.","family":"Gago","sequence":"first","affiliation":[]},{"given":"Darya","family":"Yelshyna","sequence":"additional","affiliation":[]},{"given":"Estela","family":"Bicho","sequence":"additional","affiliation":[]},{"given":"H\u00e9lder David","family":"Silva","sequence":"additional","affiliation":[]},{"given":"Lu\u00eds","family":"Rocha","sequence":"additional","affiliation":[]},{"given":"Maria","family":"Lurdes Rodrigues","sequence":"additional","affiliation":[]},{"given":"Nuno","family":"Sousa","sequence":"additional","affiliation":[]}],"member":"127","published-online":{"date-parts":[[2016,6,25]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(05)67604-0"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/afr178"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1093\/gerona\/55.1.M10"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1212\/01.WNL.0000138440.39918.0C"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1987.03390110068028"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1007\/s11357-014-9621-8"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1007\/s00221-003-1674-3"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1007\/s00422-005-0004-1"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2013.02.111"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/10.532130"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1152\/jn.00516.2003"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1186\/1743-0003-10-101"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9290(93)90004-X"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/86.547944"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1016\/S0966-6362(96)01103-4"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1093\/gerona\/54.3.M122"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1348\/000712601162211"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1016\/j.neulet.2010.06.081"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1016\/j.bbr.2015.08.017"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9290(94)00113-I"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/97.338752"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1159\/000357472"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-9457(00)00009-9"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4939-0968-1_4"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1080\/00016480510031498"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1016\/j.gaitpost.2009.05.001"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1016\/S0304-3940(03)00229-5"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1080\/10255842.2011.565753"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/TITB.2011.2107916"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1155\/2011\/975193"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1016\/j.jalz.2011.03.005"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-5415.2005.53455.x"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1080\/13803395.2011.589374"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.3390\/s110403852"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-510X(00)00277-X"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1088\/0967-3334\/25\/2\/R01"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1016\/S0966-6362(00)00089-8"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1109\/7333.918273"},{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.1016\/S0966-6362(99)00023-5"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1016\/j.neulet.2009.01.024"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1093\/geronb\/gbp060"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/afl077"},{"key":"ref43","doi-asserted-by":"publisher","DOI":"10.1016\/0278-2626(90)90047-R"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.1159\/000107101"},{"key":"ref45","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuropsychologia.2015.05.015"},{"key":"ref46","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1098-1063(1997)7:5<465::AID-HIPO3>3.0.CO;2-G"},{"key":"ref47","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/121.12.2259"},{"key":"ref48","doi-asserted-by":"publisher","DOI":"10.1016\/j.gaitpost.2016.04.006"},{"key":"ref49","doi-asserted-by":"publisher","DOI":"10.3138\/ptc.2013-16"}],"container-title":["Dementia and Geriatric Cognitive Disorders Extra"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/447124","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/447124","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/447124","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T16:50:44Z","timestamp":1745427044000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000447124"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,6,25]]},"references-count":49,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2016,9,7]]}},"URL":"https:\/\/doi.org\/10.1159\/000447124","archive":["Portico"],"relation":{},"ISSN":["1664-5464"],"issn-type":[{"type":"electronic","value":"1664-5464"}],"subject":[],"published":{"date-parts":[[2016,6,25]]}}}