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PURPOSE Previous reports have suggested that noninvasive cortical stimulation could influence speech production in patients with chronic stroke. Here, we evaluated the hypothesis that cathodal transcranial DC stimulation (ctDCS), a technique that decreases excitability of stimulated cortical sites, applied over a healthy right Broca's homologue area could(More)
BACKGROUND AND PURPOSE Recent work demonstrated that application of peripheral nerve and cortical stimulation independently can induce modest improvements in motor performance in patients with stroke. The purpose of this study was to test the hypothesis that combining peripheral nerve stimulation (PNS) to the paretic hand with anodal direct current(More)
OBJECTIVE To test the hypothesis that 10 sessions of transcranial direct current stimulation combined with occupational therapy elicit more improvement in motor function of the paretic upper limb than sham stimulation in patients with subacute stroke. DESIGN Eighteen patients with subacute stroke with hand motor impairment were randomly assigned to one of(More)
PURPOSE Attention decline after stroke is common and hampers the rehabilitation process, and non-invasive transcranial direct current stimulation (tDCS) has the potential to elicit behavioral changes by modulating cortical excitability. The authors tested the hypothesis that a single session of non-invasive cortical stimulation with excitatory anodal tDCS(More)
PURPOSE Transcranial direct current stimulation (tDCS) combined with swallowing training might improve swallowing function in patients with post-stroke dysphagia. We investigate the effects of transcranial direct current stimulation (tDCS) combined with swallowing training on post-stroke dysphagia. METHODS Sixteen patients with post-stroke dysphagia,(More)
BACKGROUND This study was undertaken to test the hypothesis that a combination of excitatory anodal transcranial direct current stimulation (tDCS) to the contralateral motor cortex and inhibitory cathodal tDCS to the ipsilateral motor cortex of the motor performing hand (Bi-tDCS) would elicit more implicit motor sequence learning than anodal tDCS applied to(More)
BACKGROUND γ-Aminobutyric acid (GABA) plasticity plays an important role in stroke motor recovery in a mouse model. However, little is known about changes over time in neuronal excitability mediated by GABA receptors in human stroke patients. OBJECTIVES To establish the mechanism of neuroplasticity during the recovery phase following ischemic stroke by(More)
OBJECTIVE To determine factors associated with good responses to speech therapy combined with transcranial direct current stimulation (tDCS) in aphasic patients after stroke. METHOD The language function was evaluated using Korean version of Western aphasia battery (K-WAB) before and after speech therapy with tDCS in 37 stroke patients. Patients received(More)
OBJECTIVE To delineate whether functional recovery after stroke, determined by the modified Rankin Scale during the neurologically stable chronic stage, is associated with the presence or absence of motor evoked potential or somatosensory evoked potential measured during the sub-acute stage at the commencement of rehabilitation. DESIGN Retrospective(More)
This study was conducted to investigate the prevalence of dysphagia and evaluated the association of dysphagia and activities of daily living in a geriatric population residing in an independent-living facility in Korea. Korean men and women 65-yr and older living in a single, typical South Korean city (n=415) were enrolled in the Korean Longitudinal Study(More)