This study used pupillometry to provide an objective assessment of a form of synesthesia in which people see additional color when reading numbers. It provides convincing evidence that subjective ...

Imagine arriving at a busy location with people moving around and a multitude of visual and other sensory cues vying for your ...

Tripping on psychedelics is hard to describe to someone who’s never been through the experience. Every psychedelic trip is ...

A growing body of neuroimaging research is pinpointing exactly how psychedelic drugs hijack the brain’s visual system to ...