Obviously, the human head doesn’t let much light through it. For years, brain imaging techniques using light, called optical ...

For decades, brain imaging has been limited to either cheap but basic tools like EEG or expensive machines like fMRI that cost millions. Meanwhile, optical methods, which use light to measure ...

Detecting photons through an entire adult head explores the limits of photon transport in the brain, for access to regions of the brain currently inaccessible with noninvasive optical brain ...