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Papers of the Week
Cerebrovascular reactivity after functional activation of the brain using Photic Stimulation in Migraine and Tension Type Headache: a transcranial doppler Ultrasonography Study.
Authors
Khedr EM, Abbas MA, Gamea A, Sadek MA, Zaki AFAbstract
Previous studies in headache patients measured the cerebrovascular reactivity (CVR) in response to photic stimulation but they have yielded contradictory results. The purpose of study was to measure CVR of both migraine and chronic tension headache (TTH) patients in response to photic stimulation.