Is your brain as unique as your fingerprints?

Recently a new study published October in the journal Nature Neuroscience reveals that a person's brain activity is as unique as his or her fingerprints.
According to the study appeared in the journal Nature Neuroscience on October 12, these brains "connectivity profiles" allow researchers to identify individuals from fMRI images of brain activity of more than 100 people.
In most studies published before, fMRI data have been used to draw contrasts between patients and healthy controls, but these studies tend to obscure individual differences which may be important, according to Emily Finn, a Ph.D. student in neuroscience and co-first author of the paper.
Another co-first author Xilin Shen, under the direction of R. Todd Constable, professor of diagnostic radiology and neurosurgery at Yale, with Finn, they compiled fMRI data from 126 subjects who underwent six scan sessions in two days. The researchers kept their eyes on activities in 268 brain regions, especially the coordinated activity between pairs of regions. Highly coorfinated activities suggest that two regions are functionally connected. The strength of these connections across the whole brain helps the researchers to identify individuals from fMRI data alone, no matter the subject was at rest or engaged in a task. They can also predict how subjects would perform when in tasks.
They hope this ability one day might help doctors to predict or even treat neuropsychiatric diseases based on individual brain connectivity profiles.
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