Autism Spectrum Disorder (ASD) is a condition characterized by deficiencies in social interaction and communication that become apparent in the first three years of life. Symptoms of ASD gradually ...

Hallucinogen Persisting Perception Disorder (HPPD) is a cognitive disorder in which individuals continuously re-experience visual and other sensory hallucinations that they first experienced while ...

I have a form of time–space synesthesia, so the new year arrives for me in a very physical way. I feel myself move around the year, almost like I'm traveling along a structure. December sits low and ...

Psychiatrist Stephan Taylor, M.D., has treated patients with psychosis for decades. He's done research on why people suffer delusions, paranoia, hallucinations and detachment from reality, which can ...

Images generated by photographic computer software are the first to depict accurate images of facial distortions experienced by patients with prosopometamorphopsia (PMO), a rare visual disorder that ...

Motion perception plays a fundamental role in our daily visual experience; it is critical for computing the speed and direction of moving objects and controlling our own body and eye movements. Motion ...