When Designing an FMRI Study, Which Would Be the Best

Multiple Choice

When designing an fMRI study, which would be the best strategy for isolating the neural activity associated with the vocal component of reading a word from other potential actions related to reading?

A) Compare fMRI scans of a subject silently reading a word and of reading the word aloud.
B) Compare fMRI scans of a subject looking at a picture that is related to a word and of reading the word aloud.
C) Compare a PET scan of a subject reading a word aloud to an fMRI scan of a subject reading the same word aloud.
D) Perform an fMRI scan of the participant as he is talking to a friend, noting the level of brain activity when he uses the target word.