Unreliability of fMRI Emotional Biomarkers

Brain responses to emotion stimuli are highly variable even within the same individual, and this could be a problem for researchers who seek to use these responses as biomarkers to help diagnose and treat disorders such as depression.

That’s according to a new paper in Neuroimage, from University College London neuroscientists Camilla Nord and colleagues.

Nord et al. had 29 volunteers perform three tasks during fMRI scanning. All of the tasks involved pictures of emotional faces, which

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