Something specific happens inside the brain when a psychedelic drug makes someone see things that aren’t there. A ripple of electrical activity, pulsing roughly five times per second, surges through ...

A new bioluminescent tool allows neurons to glow on their own, letting scientists track brain activity without harmful lasers or fading signals. The advance makes it possible to watch individual brain ...

For more than a century, brain imaging has been a story of trade-offs: sharp pictures but slow timing, or fast signals with blurry detail. A new generation of tools is starting to break that ...

BISC is an ultra-thin neural implant that creates a high-bandwidth wireless link between the brain and computers. Its tiny single-chip design packs tens of thousands of electrodes and supports ...