We are trying to understand how psychedelics affect human cognition.

If you were already planning on taking a psychedelic and wish to participate,

you will be answering some questions and playing a few brain games after clicking 'CONTINUE' and consenting.

You are being invited to take part in a research study organised by Imperial College London. Before you decide it is important for you to understand why the research is being done and what it will involve. Please take time to read the information carefully and discuss it with others if you wish. Contact us if there is anything that is not clear or if you would like more information. It is up to you to decide whether or not to take part. If you decide to take part you are still free to withdraw at any time and without giving a reason. In addition, please be mindful that drug consumption is illegal in certain countries, and we are not encouraging you taking any risks.


You are suited to take part in the study if:

• You are a proficient English speaker

• Are already planning to take psychedelic drugs,

independently from your participation in this study.

You may not take part in this study if:

• You are below 18 years old

• Take psychopharmaceutical medicines*

• Have a history of mental illness


You can download a full copy of the participants information sheet here.



Contact us if you have further questions!

*Sometimes people are being prescribed psychopharmaceutical medicines such as antidepressants or antipsychotics to aid with their recovery from mental health problems. Please ensure you are not subjecting yourself to risks by mixing psychedelic drugs with other psychopharmaceutical medication. Commonly prescribed drugs are: benzodiazepines (alprazolam – Xanax, diazepam – Valium), anxiolitycs (buspirone – BuSpir), mood stabilisers (lithium – Sedalit), antidepressants (citalopram - Celexa , fluoxetine - Prozac) but mind that you might have been prescribed something not named above. Please inform your healthcare provider if you have consumed a psychedelic while taking psychopharmaceutical medication and reacted negatively, and consult our harm reduction section for more resources.

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