People with Hallucinogen Persisting Perception Disorder re-experience the same hallucinations they had on a past psychedelic “trip.” Oftentimes, these hallucinations are visual but they can ...

A new study followed individuals self-administering psychedelics and found that while some experienced lingering visual aftereffects, most were not distressed by them.

Psychedelic drugs are seeing a surge of interest from mainstream medicine, and initial results suggest that ...

Visual perception is a fundamental aspect of daily ... how contour integration differs among individuals with psychotic disorders, their biological relatives, and healthy controls, using both ...