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Pupil dilation: Difference between revisions

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[[File:Diapupils.jpg|thumb|right|150px|]]
[[File:Diapupils.jpg|thumb|right|150px|]]
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'''Pupil dilation''' (also called '''mydriasis''') is the enlargement of the size of a person's pupils under normal lighting conditions. Normally, the pupil size increases in the dark and shrinks in the light; however, a dilated pupil will remain excessively large even in a bright environment. This effect generally occurs on drugs which increase overall [[serotonin]] levels including [[psychedelic]]s, [[MDMA]], various [[stimulant]]s, and some [[anti-depressants]].
'''Pupil dilation''' (also called '''mydriasis''') is the enlargement of the size of a person's pupils under normal lighting conditions. Normally, the pupil size increases in the dark and shrinks in the light; however, a dilated pupil will remain excessively large even in a bright environment. This effect generally occurs on drugs which increase overall [[serotonin]] levels including [[psychedelic]]s, [[MDMA]], various [[stimulant]]s, some [[anti-depressants]]. Acetylcholine antagonists like [[tropane alkaloids]] , the deliriant alkaloids within deliriant plants like [[datura]] or [[Atropa belladonna (Botany)|belladonna]], will also increase pupil size.
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===Experience reports===
===Experience reports===

Revision as of 06:37, 4 September 2016

Pupil dilation (also called mydriasis) is the enlargement of the size of a person's pupils under normal lighting conditions. Normally, the pupil size increases in the dark and shrinks in the light; however, a dilated pupil will remain excessively large even in a bright environment. This effect generally occurs on drugs which increase overall serotonin levels including psychedelics, MDMA, various stimulants, some anti-depressants. Acetylcholine antagonists like tropane alkaloids , the deliriant alkaloids within deliriant plants like datura or belladonna, will also increase pupil size.

Experience reports

Anecdotal reports which describe this effect within our experience index include:

Psychoactive substances

Compounds within our psychoactive substance index which may cause this effect include:

... further results

See also