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Recent neuronal activation studies have demonstrated the presence of regional cerebral blood flow (rCBF) increases in response to neuronal activation in normal newborns. In the present study, using near infrared spectroscopy (NIRS), we evaluated the evoked cerebral blood oxygenation (CBO) changes in hypoxic-ischemic encephalopathy (HIE) of newborns. We studied 20 normal newborns and 22 HIE newborns;...
Recent neuronal activation studies on newborns using functional MRI or near infrared spectroscopy (NIRS) have suggested that the increase in O 2 consumption accompanying neuronal activation exceeds the increase in O 2 delivery in the visual cortex during photic stimulation. In the present study, we evaluated the cerebral blood oxygenation (CBO) changes induced by auditory stimulation...
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