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Neurovascular Coupling in the Human Visual Cortex Studied by Diffusing-Wave Spectroscopy (DWS) and Electroencephalography

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Abstract

We use diffusing-wave spectroscopy (DWS) and electrencephalography (EEG) to study visual activity in humans elicited by steady-state flickering. The use of a novel multispeckle detection for DWS allows to compare vascular dynamics on the pulsation time scale with the electrical activity measured by EEG.

© 2008 Optical Society of America

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