Regional Differences in the 7T BOLD-CVR Response to Ramped Hypercapnic Stimulus Suggest Pressure/Flow dependent Signal Properties
Alex Bhogal 1 , Marielle Philippens 2 , Jeroen C.W. Siero 1 , Esben Petersen 1 , Joe Fisher 3 , Peter Luijten 1 , and Hans Hoogduin 1
Radiology, University Medical Center,
University Medical Center, Utrecht, Netherlands,
& Physiology, University Health Network, Toronto,
Here we examine differences in the cerebrovascular
reactivity (CVR) response of gray and white matter to a
progressive hypercapnic stimulus. Tissue-specific
differences arise which cannot be explained by CVR
response delay alone.
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