Why Are Some People More Likely to See Faces Everywhere While Tripping?

Because of the influence of ‘set and setting’, not everyone’s psychedelic experience is the same. Various aspects of ‘set’ (e.g. beliefs, expectations, mood, personality, intention, level of restfulness) and ‘setting’ (e.g. culture, environment, music, people present) interact with the drug and the dose to produce a particular kind of experience. This includes the visual qualities…

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Why Do Some People Develop HPPD and Not Others?

Hallucinogen persisting perception disorder (HPPD) is a rare condition that can develop after psychedelic use. HPPD involves persisting visual changes that cause emotional distress and/or impairment to functioning. It is not clear precisely how prevalent the condition is, although its prevalence is considered low. In one study, 4.2% of participants said they experienced continued visual…

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