Peering into the human brain has never been easy. For decades, neuroscientists have relied on heavy, expensive machines to measure blood flow and oxygen levels that reveal how the brain works. These ...

Restoring lost senses or delivering precise brain signals has required invasive hardware and can’t mimic the brain’s natural, distributed activity patterns. This platform shows the brain can learn to ...

Light is quietly becoming the new language of brain technology. Instead of thick wires and skull-penetrating electrodes, a new generation of implants uses tiny LEDs and optical sensors to send ...