Effect Index, which is currently under construction, is a resource dedicated to establishing the field of formalised subjective effect documentation. It is the home of the Subjective Effect Index (SEI), which contains 233 effect descriptions that exist to serve as a comprehensive map of all potential experiences that can occur under the influence of any class of psychoactive compound, particularly hallucinogens.
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About Us
Substance Summaries
Hallucinogenic substance classes, broken down and described
- Psychedelics: Visual, Cognitive, Miscellaneous
- Dissociatives
- Deliriants
For more, see the
articles section.
Featured Effects
A selection of subjective effects that best represent the SEI
Visual Effects
Autonomous entity ⋅ Colour shifting ⋅ Drifting ⋅ Environmental patterning ⋅ External hallucination ⋅ Geometry ⋅ Internal hallucination ⋅ Symmetrical texture repetition ⋅ Tracers ⋅ Visual disconnection
For more, see the
Subjective Effect Index.
Featured Article
Analyses that go beyond individual subjective effects
by Josie Kins
Saturday, March 20 2021
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13 min read
This article focuses on serving as an informational guide for learning to consistently gain a stable sense of lucidity within one's own dreams, as well as the instructional techniques for utilizing and harnessing further control of the dream once this has been achieved.
For more, see the
articles section.
Featured Reports
Recommended firsthand accounts of hallucinogenic experiences
by nervewing
3-HO-PCP
10 mg Intranasal
by Anonymous Reader
Ayahuasca
2g Syrian Rue / 1g Mimosa Hostillis Oral
by Oscarette
Combination
by Josie
2C-E
25mg Oral
by nervewing
DiPT
70 mg oral
by Anonymous Reader
Salvia divinorum
2 bowls of 20x extract Smoked
by Josie
Ayahuasca
2.5g Syrian Rue / 6g Mimosa hostilis rootbark Oral
by nervewing
MXE
50mg Intranasal
For more, see the
reports section.