Population
12 subjects for resting brainstem echo-planar imaging data, and 11 subjects for brainstem activation during…
Design
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May warrant refined noise correction in brainstem fMRI; leaves open prospective validation for cardiovascular autonomic research.
A modified RETROICOR model accounting for cardiac and respiratory interactions significantly improves the detection of brainstem activation in fMRI.
Harvey et al. (2008) studied this question.
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