Contributed by aberryobie on Dec. 13, 2018
Collection: Dopaminergic mechanisms underlying normal variation in trait anxiety
Description: bilateral amygdala seed region based on individual subjects' Freesurfer (v5.1) segmentation. Freesurfer segmentations were co-registered to each session’s EPI data and nonlinearly warped to the MNI152 template using Analysis and Visualization of Functional Magnetic Resonance Neuroimages (AFNI) software (https://afni.nimh.nih.gov/). Prior to to scanning, participants took a placebo pill (they were blinded to treatment condition). Functional images were acquired using T2*-weighted echo planar imaging (EPI) with 36 interleaved slices (TR=2s, TE=24ms, FA=65°, matrix=64x64, FOV=192mm; 180 volumes; axial; voxels=3x3x3mm). Two dummy scans were acquired prior to acquisition. During resting-state fMRI acquisition, a white fixation cross on a black background was displayed in the center of the screen. Participants were asked to remain awake with their eyes open and focused on the cross.
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https://identifiers.org/neurovault.image:110536
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