Reducing Physiological Effects in Resting State fMRI by Dephasing Blood and CSF Signals

Keywords

accurate activities activity affect aims although amplitude appears around arteries averaging bipolar blood bold brain cardiac cause caused characteristics clustered coherence collected colors components connectivity consents considered contains contrast contribute contribution cool coordinate cortex cover decreases default depending detect detects determine differently diffusion distributed divides draining duration encoding estimating event excitation expected extracted filter filtering flow fluctuation forward fully functional gradients half hand immediately incorrect induced intensity known largely leading lobule local long mainly major maps mechanism micro middle mode model mostly motion motor network networks neuronal normalized obvious oriented original overlaid oxygen oxygenation paired paralleled part passed patterns physiological posterior processed pulsation radiology rather readout reduce reduced reducing reduction regionally regressing related remain removal removed removing resting routine sample seed short significantly since smoothing sparsely spins spontaneous still strength stroke studied studies subjects superior system task template temporal terms thalamus totally typical unanswered uniform variation vary veins venous ventricles volunteers