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"exec" writes:

Arthur T Knackerbracket has found the following story:

Great ideas so often get lost in translation -- from the math teacher who can't get through to his students, to a stand-up comedian who bombs during an open mic night.

But how can we measure whether our audiences understand what we're trying to convey? And better yet, how can we improve that exchange?

Drexel University biomedical engineers, in collaboration with Princeton University psychologists, are using a wearable brain-imaging device to see just how brains sync up when humans interact. It is one of many applications for this functional near-infrared spectroscopy (or fNIRS) system, which uses light to measure neural activity during real-life situations and can be worn like a headband.

Published in Scientific Reports, a new study shows that the fNIRS device can successfully measure brain synchronization during conversation. The technology can now be used to study everything from doctor-patient communication, to how people consume cable news.

"Being able to look at how multiple brains interact is an emerging context in social neuroscience," said Hasan Ayaz, PhD, an associate research professor in Drexel's School of Biomedical Engineering, Science and Health Systems, who led the research team. "We live in a social world where everybody is interacting. And we now have a tool that can give us richer information about the brain during everyday tasks -- such as natural communication -- that we could not receive in artificial lab settings or from single brain studies."

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