bioRxiv / medRxiv
open access
Large-Vessel Venous Signal Confounds Apparent Amygdala Activation in BOLD fMRI
Amygdala responses are widely reported in BOLD fMRI studies of human emotions and mood disorders. Although modern acquisition methods have improved image quality, the hemodynamic nature of the BOLD signal continues to complicate interpretation of these responses. Across an array of both visual and a
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