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020 ▼a 9781392781340
035 ▼a (MiAaPQ)AAI27543784
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 247004
0820 ▼a 616
1001 ▼a Phipps, Alan M.
24514 ▼a The Efficacy of TDCS for Improving Gait in HD.
260 ▼a [S.l.]: ▼b Indiana University., ▼c 2019.
260 1 ▼a Ann Arbor: ▼b ProQuest Dissertations & Theses, ▼c 2019.
300 ▼a 114 p.
500 ▼a Source: Dissertations Abstracts International, Volume: 81-06, Section: B.
500 ▼a Advisor: Koceja, David M
5021 ▼a Thesis (Ph.D.)--Indiana University, 2019.
506 ▼a This item must not be sold to any third party vendors.
520 ▼a Huntington's disease (HD) is a rare neurogenerative disorder that results in the progressive loss of functional abilities, including motor function. Impaired motor function in HD is likely connected to a chain of events in the basal ganglia that results in the over-excitability of the motor cortex (M1). Of motor functions, gait is important to safely maneuver the environment. This poses a risk for HD patients as their gait exhibits several spatial and temporal abnormalities. The relative ease of accessing the motor cortex makes this area of the brain an attractive site for potential therapeutic noninvasive neurostimulation such as transcranial direct current stimulation (tDCS). tDCS has the ability to transiently modulate (increase or decrease) cortical excitability and has been shown to facilitate motor function in healthy subjects and patients with Parkinson's disease, another disorder of the basal ganglia. However, there is no literature available on the use of tDCS to modulate motor function or M1 excitability in HD. Therefore, the purpose of this study was to assess the feasibility of tDCS for modulating gait and cortical excitability in HD. This study was carried out in two experiments. Experiment 1 assessed the ability of tDCS for improving gait during treadmill walking (stride length, variability of stride length, step length symmetry, and the temporal reproducibility of the gait cycle), and Experiment 2 sought to expand on Experiment 1 with the addition of overground walking and TMS to assess M1 excitability. All subjects were able to complete the study. tDCS had variable effects on gait and cortical excitability in this population. This was a small study (n=4), and it may be of interest to explore noninvasive brain stimulation in population areas with a higher number of HD patients.David.
590 ▼a School code: 0093.
650 4 ▼a Kinesiology.
650 4 ▼a Neurosciences.
690 ▼a 0575
690 ▼a 0317
71020 ▼a Indiana University. ▼b Health and Rehabilitation Sciences.
7730 ▼t Dissertations Abstracts International ▼g 81-06B.
773 ▼t Dissertation Abstract International
790 ▼a 0093
791 ▼a Ph.D.
792 ▼a 2019
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T15494467 ▼n KERIS ▼z 이 자료의 원문은 한국교육학술정보원에서 제공합니다.
980 ▼a 202002 ▼f 2020
990 ▼a ***1008102
991 ▼a E-BOOK