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Hemodynamic response function (HRF) variability confounds resting-state fMRI functional connectivity

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine

Oct 15, 2018

Deshpande RangaprakashGopikrishna Deshpande

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Abstract

fMRI is the convolution of the hemodynamic response function (HRF) and unmeasured neural activity. HRF variability (HRFv) across the brain could, in principle, alter functional connectivity (FC) estimates from resting-state fMRI (rs-fMRI). Given that HRFv is driven by both neural and no...read more

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Hemodynamic response function (HRF) variability confounds resting-state fMRI functional connectivity

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine

Oct 15, 2018

Deshpande RangaprakashGopikrishna Deshpande

PMID: 29656446

DOI: 10.1002/mrm.27146

Abstract

fMRI is the convolution of the hemodynamic response function (HRF) and unmeasured neural activity. HRF variability (HRFv) across the brain could, in principle, alter functional connectivity (FC) estimates from resting-state fMRI (rs-fMRI). Given that HRFv is driven by both neural and no...read more

Mentioned in this Paper

Default
Study
Simulation
Scanning Systems
Dendritic Cells
80
68

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