Brightness alteration

From PsychonautWiki
Jump to navigation Jump to search
Sobriety vs Brightness alteration by Josikins

Brightness alteration is defined as a distortion or change in the levels of perceived brightness comprising a person's vision. This usually results in the person's vision becoming darker[1][2][3] and muted, but could also potentially result in it becoming lighter and more vivid[3][4] depending on the person's environment and substances they have consumed.

Brightness alteration can be accompanied by the coinciding effects of pupil dilation or constriction and photophobia. It is most commonly induced under the influence of moderate dosages of hallucinogenic compounds, such as psychedelics, dissociatives, and cannabinoids.

Psychoactive substances


Experience reports

Annectdotal reports which describe this effect with our experience index include:

See also

External links


  3. 3.0 3.1 Fischer, R.; Hill, R. M.; Warshay, Diana (1969). "Effects of the psychodysleptic drug psilocybin on visual perception. Changes in brightness preference". Experientia. 25 (2): 166–169. doi:10.1007/BF01899102. ISSN 0014-4754. 
  4. Baggott, M.J.; Coyle, J.R.; Erowid, E.; Erowid, F.; Robertson, L.C. (2011). "Abnormal visual experiences in individuals with histories of hallucinogen use: A web-based questionnaire". Drug and Alcohol Dependence. 114 (1): 61–67. doi:10.1016/j.drugalcdep.2010.09.006. ISSN 0376-8716.