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Researchers have developed the new technique being able to work as like fMRI. This device is called diffuse optical tomography. This device generates some tiny red lights to a subject’s scalp. Using this technique, the researchers can recover the fMRI-like image which enables to measure changes of blood flows in the human brain. If you are interested in this article, please click the link. Link: http://www.scientificamerican.com/article/tiny-lights-could-illuminate-brain-activity/...