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White versus gray matter: fMRI hemodynamic responses show similar characteristics, but differ in peak amplitude

BACKGROUND: There is growing evidence for the idea of fMRI activation in white matter. In the current study, we compared hemodynamic response functions (HRF) in white matter and gray matter using 4 T fMRI. White matter fMRI activation was elicited in the isthmus of the corpus callosum at both the gr...

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Hlavní autoři: Fraser, Leanne M, Stevens, M Tynan, Beyea, Steven D, D’Arcy, Ryan C N
Médium: Artigo
Jazyk:Inglês
Vydáno: BioMed Central 2012
Témata:
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC3469381/
https://ncbi.nlm.nih.gov/pubmed/22852798
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2202-13-91
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