Hypocapnia induced vasoconstriction significantly inhibits the neurovascular coupling in humans

@article{Szab2011HypocapniaIV,
  title={Hypocapnia induced vasoconstriction significantly inhibits the neurovascular coupling in humans},
  author={Katalin E Szab{\'o} and Eva Lako and Tunde Juhasz and Bernhard Rosengarten and L{\'a}szl{\'o} Ol{\'a}h},
  journal={Journal of the Neurological Sciences},
  year={2011},
  volume={309},
  pages={58-62}
}
BACKGROUND/AIMS Previous studies proved that vasodilation, caused by hypercapnia or acetazolamide, does not inhibit the visually evoked flow velocity changes in the posterior cerebral arteries. Our aim was to determine whether vasoconstriction induced by hypocapnia affects the neurovascular coupling. METHODS By using a visual cortex stimulation paradigm, visually evoked flow velocity changes were detected by transcranial Doppler sonography in both posterior cerebral arteries of fourteen young… CONTINUE READING

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