Characterization of the Effects of Task-Correlated Facial and Head Movements in FMRI

Keywords

absolute according activation activations addition affine alignment analyses anxiety around array assumed assumption averaging block blocks brain cause characterization characterize clenched clenching close closing cognitive compiled complicated confounding correction correlated cortex covariates cues decrease design designs detection distortions either emotional errors even every examination example expected experiment extent eyes face facial false field flow frequently frown frowning furthermore future head healthy humans improvements inclusion induced instructed instruction interfaces interpolation involve kinds lessened limited limiting listed maps motion move movement movements muscles near next occur occurs open outside pair pairs partial particular particularly percent periods persist physical planar potential power preprocessing procedure processes propose prospective psychiatry radiology real realignment registration repeated repetitions rest retrospective rigid rose ruled score sensitivity separated several shoulders significance since situation slice slight smile smiling spending squint statistical stimuli stressful studies subject subjects surrounding susceptibility systematic systematically table task tasks throughout tissue twelve type virtually visual whereas yielded