“Palin” is ancient Greek for “repeat,” and “opsia” is the ancient Greek for “see.” Palinopsia is when you see an image repeatedly even when the image’s stimulus has gone away. Palinopsia is unique to ...

Derived from the Greek word “palin” for “again” and “opsia” for “seeing,” palinopsia is a rare visual system processing distortion. People with this distortion continue to see the image of an object ...

Composer Alexis Kirke aims to turn his hallucinations into sound live in front of an audience, accompanied by a flute. The audiovisual composition, called Insight, uses an iPad camera app designed to ...