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Resting-state sensorimotor rhythm (SMR) power predicts the ability to up-regulate SMR in an EEG-instrumental conditioning paradigm
During instrumental conditioning of EEG activity (EEG-IC), participants receive feedback of a specific aspect of their brain signals (Lubar et al., 1995), e.g. feedback on the power of a certain frequency band. Desired patterns of EEG activity are rewarded by visual or auditory stimuli, thus enabling participants to modulate their brain activity by means of instrumental conditioning. EEG-IC training has been used to treat patients with disorders such as epilepsy (Sterman and Egner, 2006), attention deficit hyperactivity disorder (Arns et al., 2009) and stroke (Doppelmayr et al., 2007), as well as in healthy participants (H...
Source: Clinical Neurophysiology - February 6, 2015 Category: Neuroscience Authors: Johanna Louise Reichert, Silvia Erika Kober, Christa Neuper, Guilherme Wood Source Type: research

P 172. Focal tDCS in Chronic Stroke patients: A pilot study of physiological effects using TMS and concurrent EEG
We report results of MEPs, EEG, and motor behavior. We show, for the first time, that tDCS and EEG recording can be concurrently applied in stroke patients. Bilateral M1 stimulation using small Ag/AgCl electrodes is well tolerated and can augment corticospinal excitability in the affected hemisphere. In the literature, there is only one prior studying using concurrent EEG recording during cathodal tDCS in healthy subjects and two patients with epileptic encephalopathy (Faria et al., 2012). As far as we know, no studies have applied tDCS simultaneous with EEG recording in chronic stroke patients. We report the first study i...
Source: Clinical Neurophysiology - September 19, 2013 Category: Neuroscience Authors: D. Boratyn, G. Ruffini, M. Cortes, A. Rykman, A. Medeiros, A. Pascual-Leone, D. Edwards Tags: Society Proceedings Source Type: research