Participants were scanned using a 3.0 Tesla Siemens Magnetom Tim Trio scanner with a twelve-channel head-coil at the OHSU Advanced Imaging Research Center. One high resolution T1-weighted MPRAGE sequence lasting 9 minutes and 14 seconds (TR=2300ms, TE=3.58ms, orientation=sagittal, 256×256 matrix, resolution=1mm3) was collected. BOLD-weighted functional imaging data were collected in an oblique plane (parallel to the ACPC) using T2*-weighted echo-planar imaging (TR=2500ms, TE=30ms, flip angle=90°, FOV=240mm, 36 slices covering the whole brain, slice thickness = 3.8mm, in-plane resolution=3.8×3.8mm). Steady state magnetization was assumed after 5 frames (~10 s). Three runs of 3.5 minutes each were obtained. During rest periods subjects were instructed to stay still, and fixate on a standard fixation-cross in the center of the display.
