Intra- and extra-cranial effects of transient blood pressure changes on brain near-infrared spectroscopy (NIRS) measurements

► We recorded NIRS from the visual cortex during pattern-reversal stimulation. ► Transient blood pressure changes were induced by arm-raising. ► Blood pressure changes significantly altered deep and shallow NIRS recordings. ► The effect appears to originate from both intra- and extra-cranial regions...

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Veröffentlicht in:	Journal of neuroscience methods 2011-04, Vol.197 (2), p.283-288
Hauptverfasser:	Minati, Ludovico, Kress, Inge U., Visani, Elisa, Medford, Nick, Critchley, Hugo D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Autonomic arousal Blood pressure Blood Pressure - physiology Blood Pressure Determination - methods Brain - blood supply Brain - physiology Brain - physiopathology Cerebral Arteries - physiology Cerebrovascular Circulation - physiology Female Humans Male Near-infrared spectroscopy (NIRS) Short Communication Spectroscopy, Near-Infrared - methods Visual stimulation Young Adult
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