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000866852 1001_ $$0P:(DE-HGF)0$$aAnt, Jana M.$$b0
000866852 245__ $$aAnodal tDCS over left parietal cortex expedites recovery from stroke-induced apraxic imitation deficits: a pilot study
000866852 260__ $$a[London]$$bBioMed Central$$c2019
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000866852 520__ $$aBackgroundTo date, specific therapeutic approaches to expedite recovery from apraxic deficits after left hemisphere (LH) stroke remain sparse. Thus, in this pilot study we evaluated the effect of anodal transcranial direct current stimulation (tDCS) in addition to a standardized motor training on apraxic imitation deficits.MethodsIn a rehabilitation hospital, we assessed apraxic, aphasic, and motor deficits in 30 LH stroke patients before and after a five-day standard programme of motor training combined with either anodal (10 min, 2 mA; n = 14) or sham (10 min, 0 mA, n = 16) tDCS applied in a double-blind fashion over left posterior parietal cortex (PPC). Where appropriate, data were analyzed with either t-test, Fisher’s exact test, or univariate/ repeated measures ANOVA.ResultsCompared to sham tDCS, five sessions of anodal tDCS expedited recovery from apraxic imitation deficits (p < 0.05): Already after 5 days, the anodal tDCS group showed levels of imitation performance that were achieved in the sham tDCS group after 3 months. However, the primary outcome of the study (i.e., anodal tDCS induced improvement of the total apraxia score) failed significance, and there was no significant tDCS effect on apraxia after 3 months. Anodal tDCS improved grip force (of the contra-lesional, i.e., right hand), but had no effect on aphasia.ConclusionsData from this pilot study show that repetitive, anodal tDCS over left PPC combined with a standardized motor training expedites recovery from imitation deficits in LH stroke patients with apraxia (relative to sham stimulation). Results suggest that in patients suffering from apraxic imitation deficits a randomized controlled trial (RCT) is warranted that investigates the effects of tDCS applied over PPC in addition to a standardized motor training.
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000866852 7001_ $$0P:(DE-Juel1)156353$$aNiessen, Eva$$b1$$ufzj
000866852 7001_ $$0P:(DE-Juel1)161332$$aAchilles, Elisabeth I. S.$$b2$$ufzj
000866852 7001_ $$0P:(DE-HGF)0$$aSaliger, Jochen$$b3
000866852 7001_ $$0P:(DE-HGF)0$$aKarbe, Hans$$b4
000866852 7001_ $$0P:(DE-Juel1)131748$$aWeiss, Peter H.$$b5
000866852 7001_ $$0P:(DE-Juel1)131720$$aFink, Gereon Rudolf$$b6$$eCorresponding author$$ufzj
000866852 773__ $$0PERI:(DE-600)2947493-0$$a10.1186/s42466-019-0042-0$$gVol. 1, no. 1, p. 38$$n1$$p38$$tNeurological research and practice$$v1$$x2524-3489$$y2019
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