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Concurrent diffuse optical measurement of cerebral hemodynamics and EEG during transcranial direct current stimulation (tDCS) in humans

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Abstract

We present measurements of cerebral hemodynamics with diffuse optical monitor and electroencephalography (EEG) during transcranial direct current stimulation (tDCS). Cerebral blood flow (CBF), measured by Diffuse Correlation Spectroscopy (DCS), cerebral tissue oxygenation, measured by Time Resolved Near Infrared Spectroscopy (TR-NIRS), and electrical activity measured by EEG were studied in a sham-controlled, randomized cross-over study with 20 healthy adults, before during and after a 10 minute session of tDCS over the left frontal cortex.

© 2016 Optical Society of America

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