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 242 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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Substance Summaries

Hallucinogenic substance classes, broken down and described
For more, see the Substance Index.

Featured Article

Analyses that go beyond individual subjective effects

These are scientifically-supported therapy principles and techniques designed to be easily understood by the general public. Even in the absence of hallucinogens, applying these skills to modify automated dysfunctional cognitive processes can be as effective as lone pharmacological treatments or the entire collection of cognitive behavioral therapy instruction.

For more, see the articles section.

Featured Reports

Recommended firsthand accounts of hallucinogenic experiences
Ayahuasca
2.5g Syrian Rue / 6g Mimosa hostilis rootbark Oral
3-HO-PCP
10 mg Intranasal
by Kaylee
DMT
50mg Smoked
4-HO-MET
60mg Oral
DiPT
70 mg oral
by Kaylee
Combination
by nervewing
MXE
50mg Intranasal
2C-E
25mg Oral
For more, see the reports section.