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23 July -- The survey is now closed.

Thank you for your interest, but the survey is now closed. Men and women from all over the world have responded generously, taking us to our preset recruitment goal. Now to begin analyzing the data!

You can check for updates on our ongoing research at

We appreciate greatly the contributions so many have made by taking the survey and by spreading the word.

The Johns Hopkins Psilocybin Study Team

May 2010

Johns Hopkins Survey of Psilocybin and Spiritual Experience

Thank you for your interest in this questionnaire study of psilocybin and spiritual experience. This research is being conducted by researchers at Johns Hopkins University School of Medicine and has been approved by the Johns Hopkins University Institutional Review Board (IRB).

Purpose and inclusion criteria:
The purpose of this research project is to characterize profound spiritual and personally meaningful experiences that people may have after ingesting psilocybin mushrooms (also known as magic mushrooms or shrooms). You are invited to participate in this research project if you fulfill five criteria:

  1. You are at least 18 years old.
  2. You speak and write English fluently.
  3. You have taken an active dose of psilocybin mushrooms that produced moderate to strong psychoactive effects.
  4. You have had a profound, personally meaningful experience after ingesting psilocybin mushrooms -- whether or not you would use the word 'spiritual' to describe that experience.
  5. The experience referred to above (#4) occurred when you were between 18 and 70 years old and did not occur in the context of an official university/hospital research study.

Participation in this study involves filling out an online survey that will take approximately 30 minutes. You will be required to complete the survey in one sitting.

Why should I participate?
The investigators believe that this study is scientifically important and may be personally worthwhile. This research will contribute to a better understanding of uniquely human and potentially transformative experiences about which little is known scientifically. We would like you to participate because we need to collect responses from many different people with different unique experiences in order to fully characterize spiritual and personally meaningful experiences that occur after taking psilocybin mushrooms. The findings from this research may have broad implications for understanding spiritual and religious traditions across cultures. In addition, you may find completing the survey to be a positive exercise, because it may prompt you to contemplate more deeply or remember forgotten dimensions of your meaningful experience. We hope you enjoy filling out the survey, but there is a chance that you will be bored. Although there is no monetary compensation for participation, you will be making a unique and important scientific contribution and you may gain further insights into your experience.

What kind of information will I be providing?
The primary focus of the survey will involve questions about a profound spiritual or personally meaningful experience you have had after taking psilocybin mushrooms. At the beginning of the survey you will be asked questions about your background, religion, and spirituality. At the end of the survey there will be an optional open-ended section that could add an additional 10-15 minutes to the total duration. You will not be required to complete the open-ended section in order to participate.

Is my participation confidential?
Your responses will be confidential and we do not collect identifying information such as your name, email address or IP address. The results of this study will be used for scholarly purposes only and may be shared with Johns Hopkins University representatives. To help protect your confidentiality, the results to most questions will be presented in aggregate. In some cases, however, we may quote directly from your textual responses in the optional open-ended section without providing identifying information such as gender or age.

What will become of the results from this study?
The investigators intend to publish the results from this study in scholarly literature and by presenting results at scientific meetings. We will also make the results publicly available by posting a notice of any scholarly publications on the website for the Council on Spiritual Practices (

Your responses will not be used in this study if you do not complete the survey. Your participation in this research study is voluntary. Your completing this survey will serve as your consent to be in this research study. If you decide to begin the survey, you may stop answering the questions at any time. If you stop early, your specific responses will not be used in the study. At the end of the survey, you will have a final opportunity to consent to submit all of your responses to be used in this study.

How do I start?
You can begin the survey by clicking the link at the bottom of this page. This survey will take approximately 30 minutes (plus a 10-15 minute optional section) and you will be required to complete the survey in one sitting.

It is important that you complete the survey only once, and that you answer each question honestly and seriously. If you are not ready to complete the survey now, please return to this page at a time that is convenient for you.

Clicking on the link below indicates that:

  • you have read the above information
  • you fulfill the inclusion criteria
  • you voluntarily agree to participate
  • you are at least 18 years old

Click here to take survey

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Religious Leaders
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