J. Med. Internet Res. - Effect of a Kinect-based exercise game on improving executive cognitive performance in community-dwelling elderly: case control study.


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CKGROUND: Decrease of dual-task (DT) ability is known to be one of the risk factors for falls. We developed a new game concept, Dual-Task Tai Chi (DTTC), using Microsoft's motion-capture device Kinect, and demonstrated that the DTTC test can quantitatively evaluate various functions that are known risk factors for falling in elderly adults. Moreover, DT training has been attracting attention as a way to improve balance and DT ability. However, only a few studies have reported that it improves cognitive performance.OBJECTIVE: The purpose of this study was to demonstrate whether or not a 12-week program of DTTC training would effectively improve cognitive functions.METHODS: This study examined cognitive functions in community-dwelling older adults before and after 12 weeks of DTTC training (training group [TG]) or standardized training (control group [CG]). Primary end points were based on the difference in cognitive functions between the TG and the CG. Cognitive functions were evaluated using the trail-making test (part A and part B) and verbal fluency test.RESULTS: A total of 41 elderly individuals (TG: n=26, CG: n=15) participated in this study and their cognitive functions were assessed before and after DTTC training. Significant differences were observed between the two groups with significant group ? time interactions for the executive cognitive function measure, the delta-trail-making test (part B-part A; F1,36=4.94, P=.03; TG: pre mean 48.8 [SD 43.9], post mean 42.2 [SD 29.0]; CG: pre mean 49.5 [SD 51.8], post mean 64.9 [SD 54.7]).CONCLUSIONS: The results suggest that DTTC training is effective for improving executive cognitive functions.TRIAL REGISTRATION: Japan Medical Association Clinical Trial Registration Number: JMA-IIA00092; https://dbcentre3.jmacct.med.or.jp/jmactr/App/JMACTRS06/JMACTRS06.aspx?seqno=2682 (Archived by WebCite at http://www.webcitation.org/6NRtOkZFh).

Resumo Limpo

ckground decreas dualtask dt abil known one risk factor fall develop new game concept dualtask tai chi dttc use microsoft motioncaptur devic kinect demonstr dttc test can quantit evalu various function known risk factor fall elder adult moreov dt train attract attent way improv balanc dt abil howev studi report improv cognit performanceobject purpos studi demonstr whether week program dttc train effect improv cognit functionsmethod studi examin cognit function communitydwel older adult week dttc train train group tg standard train control group cg primari end point base differ cognit function tg cg cognit function evalu use trailmak test part part b verbal fluenci testresult total elder individu tg n cg n particip studi cognit function assess dttc train signific differ observ two group signific group time interact execut cognit function measur deltatrailmak test part bpart f p tg pre mean sd post mean sd cg pre mean sd post mean sd conclus result suggest dttc train effect improv execut cognit functionstri registr japan medic associ clinic trial registr number jmaiia httpsdbcentrejmacctmedorjpjmactrappjmactrsjmactrsaspxseqno archiv webcit httpwwwwebcitationorgnrtokzfh

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