Over the last 25 years, fMRI has developed into a powerful technique to look at the brain. But a recent analysis of fMRI software found a bug that jeopardizes 40,000 studies which use the technique.
It all started with a rejected grant proposal. Ahmad Hariri, a neuroscientist at Duke University, was interested in using so-called “task fMRI"—in which subjects perform specially designed cognitive ...
For example, simple tapping of fingers in one hand is capable of increasing blood flow by 60% in the motor area of the brain. Because of this fact, BOLD changes in magnetic resonance signal is ...
How do scientists peer into the brain to better understand what is happening, where, and why? By taking advantage of the brain’s electromagnetic properties or by sending radioactive markers into the ...