🚨Contribute to a new HPPD study🚨

A new questionnaire study aims to understand the ways HPPD disrupts people’s lives.

Published via the University of East London, this new questionnaire study is completely anonymous and should take around thirty minutes to complete. It invites anyone with experience of visual phenomena from drug use, including but not necessarily limited to diagnosable HPPD.

It will ask about your experience of particular thoughts and behaviors around these visual experiences, as well as measuring how much they distress you and their level of intensity.