Functional near-infrared spectroscopy (fNIRS) measures brain activity optically based on changes in cortical blood flow. Unlike magnetic resonance imaging, the technique is wearable, so it can be used ...

Lab-grown “mini brains,” called brain organoids, kind of look like navy beans—and have very little in common with a functional human brain. These tiny clumps of neural tissue are grown from stem cells ...

People who speak several languages may have brains that age more slowly, with four-language speakers showing brains that appeared about 13 years younger than those of monolinguals. Starting earlier ...

Add Yahoo as a preferred source to see more of our stories on Google. Sections of a brain organoid with different cell types in different colors. Lab-grown "mini brains," called brain organoids, kind ...