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A study of long-term psychological well-being and cognition

21 March 2018

We are conducting a study into psychological well-being, cognition and cannabis. We are looking for people aged 16-17 and 25-29. Overall, you can get paid £340 + travel.
Participants come to UCL for 5 sessions over a 12 months (for £240). And can take part in two extra MRI sessions (£100).
Assessments include computer tasks, questionnaires, and interviews regarding mental health and drug use.
Please note that other eligibility criteria will apply, which will be assessed over the phone.


  • Healthy Volunteer
  • No Psychiatric Disorder
  • Male and Female
  • Age 16-17
  • OR Age 25-29
  • Have tried cannabis only a few times in your life.
  • OR
  • Currently be a regular cannabis user.

Take part in this study


Ethical approval

The study has been approved by the University College London ethics committee.

About the researcher

We are researchers at the Clinical Psychopharmacology Unit, UCL.

Contact researcher

Academic study

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