Keywords: Stroke, fMRI (task based)Non invasive brain stimulation holds great promise in post stroke recovery in upper limb hand function and inducing neural plasticity. Transcranial direct current stimulation (tDCS) enables the alteration of cortical excitability by passing direct currents causing hypo or hyperpolarization of neuronal resting membrane potentials. Bi-cephalic tDCS with anode applied on the affected cortex especially M1 and cathode over the non-affected cortex has been used to normalize excitatory and inhibitory corticospinal networks.
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