{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T11:54:05Z","timestamp":1784202845539,"version":"3.55.0"},"reference-count":12,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2020,12,1]],"date-time":"2020-12-01T00:00:00Z","timestamp":1606780800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,12,1]],"date-time":"2020-12-01T00:00:00Z","timestamp":1606780800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"DOI":"10.13039\/100001288","name":"Parkinson's Disease Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100001288","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100013301","name":"Parkinson's Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100013301","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","prd-journal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Parkinsonism &amp; Related Disorders"],"published-print":{"date-parts":[[2020,12]]},"DOI":"10.1016\/j.parkreldis.2020.10.047","type":"journal-article","created":{"date-parts":[[2020,11,2]],"date-time":"2020-11-02T09:37:26Z","timestamp":1604309846000},"page":"161-164","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":29,"special_numbering":"C","title":["A validated measure of rigidity in Parkinson's disease using alternating finger tapping on an engineered keyboard"],"prefix":"10.1016","volume":"81","author":[{"given":"Megan H.","family":"Trager","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin B.","family":"Wilkins","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mandy Miller","family":"Koop","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helen","family":"Bronte-Stewart","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"15","key":"10.1016\/j.parkreldis.2020.10.047_bib1","doi-asserted-by":"crossref","first-page":"2129","DOI":"10.1002\/mds.22340","article-title":"Movement disorder society-sponsored revision of the unified Parkinson's disease rating scale (MDS-UPDRS): scale presentation and clinimetric testing results, movement disorders","volume":"23","author":"Goetz","year":"2008","journal-title":"official journal of the Movement Disorder Society"},{"key":"10.1016\/j.parkreldis.2020.10.047_bib2","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1186\/s40734-015-0019-2","article-title":"Arrhythmokinesis is evident during unimanual not bimanual finger tapping in Parkinson's disease","volume":"2","author":"Trager","year":"2015","journal-title":"Journal of clinical movement disorders"},{"issue":"Pt 4","key":"10.1016\/j.parkreldis.2020.10.047_bib3","doi-asserted-by":"crossref","first-page":"877","DOI":"10.1093\/brain\/117.4.877","article-title":"The functions of the basal ganglia and the paradox of stereotaxic surgery in Parkinson's disease","volume":"117","author":"Marsden","year":"1994","journal-title":"Brain : J. Neurol."},{"issue":"3","key":"10.1016\/j.parkreldis.2020.10.047_bib4","doi-asserted-by":"crossref","first-page":"585","DOI":"10.1007\/BF00237481","article-title":"Motor strategies involved in the performance of sequential movements","volume":"63","author":"Benecke","year":"1986","journal-title":"Exp. Brain Res."},{"issue":"3","key":"10.1016\/j.parkreldis.2020.10.047_bib5","doi-asserted-by":"crossref","first-page":"418","DOI":"10.1002\/mds.870130308","article-title":"Clinical impairment of sequential finger movements in Parkinson's disease","volume":"13","author":"Agostino","year":"1998","journal-title":"Movement disorders official journal of the Movement Disorder Society"},{"issue":"1","key":"10.1016\/j.parkreldis.2020.10.047_bib6","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1002\/1531-8257(200001)15:1<36::AID-MDS1008>3.0.CO;2-M","article-title":"Quantitative digitography (QDG): a sensitive measure of digital motor control in idiopathic Parkinson's disease","volume":"15","author":"Bronte-Stewart","year":"2000","journal-title":"Movement disorders official journal of the Movement Disorder Society"},{"issue":"10","key":"10.1016\/j.parkreldis.2020.10.047_bib7","doi-asserted-by":"crossref","first-page":"1286","DOI":"10.1002\/mds.20556","article-title":"Quantitative measurements of alternating finger tapping in Parkinson's disease correlate with UPDRS motor disability and reveal the improvement in fine motor control from medication and deep brain stimulation","volume":"20","author":"Taylor Tavares","year":"2005","journal-title":"Mov. Disord."},{"issue":"9","key":"10.1016\/j.parkreldis.2020.10.047_bib8","doi-asserted-by":"crossref","first-page":"1262","DOI":"10.1002\/mds.22077","article-title":"Quantitative measures of fine motor, limb, and postural bradykinesia in very early stage, untreated Parkinson's disease","volume":"23","author":"Koop","year":"2008","journal-title":"Movement disorders official journal of the Movement Disorder Society"},{"issue":"4","key":"10.1016\/j.parkreldis.2020.10.047_bib9","doi-asserted-by":"crossref","first-page":"551","DOI":"10.1002\/mds.22379","article-title":"Testing objective measures of motor impairment in early Parkinson's disease: feasibility study of an at-home testing device, Movement disorders","volume":"24","author":"Goetz","year":"2009","journal-title":"official journal of the Movement Disorder Society"},{"key":"10.1016\/j.parkreldis.2020.10.047_bib10","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/j.jneumeth.2019.02.006","article-title":"A palm-worn device to quantify rigidity in Parkinson's disease","volume":"317","author":"Perera","year":"2019","journal-title":"J. Neurosci. Methods"},{"issue":"4","key":"10.1016\/j.parkreldis.2020.10.047_bib11","doi-asserted-by":"crossref","first-page":"499","DOI":"10.1007\/s00221-012-3107-7","article-title":"A torque-based method demonstrates increased rigidity in Parkinson's disease during low-frequency stimulation","volume":"219","author":"Little","year":"2012","journal-title":"Exp. Brain Res."},{"issue":"2","key":"10.1016\/j.parkreldis.2020.10.047_bib12","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1007\/s00415-006-0327-4","article-title":"Quantitative measurement of trunk rigidity in parkinsonian patients","volume":"254","author":"Mak","year":"2007","journal-title":"J. Neurol."}],"container-title":["Parkinsonism &amp; Related Disorders"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1353802020308488?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1353802020308488?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,23]],"date-time":"2025-10-23T00:20:34Z","timestamp":1761178834000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1353802020308488"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,12]]},"references-count":12,"alternative-id":["S1353802020308488"],"URL":"https:\/\/doi.org\/10.1016\/j.parkreldis.2020.10.047","relation":{"has-preprint":[{"id-type":"doi","id":"10.1101\/2020.08.08.20170779","asserted-by":"object"}]},"ISSN":["1353-8020"],"issn-type":[{"value":"1353-8020","type":"print"}],"subject":[],"published":{"date-parts":[[2020,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"A validated measure of rigidity in Parkinson's disease using alternating finger tapping on an engineered keyboard","name":"articletitle","label":"Article Title"},{"value":"Parkinsonism & Related Disorders","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.parkreldis.2020.10.047","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}