Claire Mokrysz

Claire Mokryzs

PhD Student 

Address: Room 451a, 1-19 Torrington Place Research Department of Clinical, Educational and Health Psychology, University College London WC1E 7HB

Email: c.mokrysz.12@ucl.ac.uk

My research interests are:

  • The acute and residual effects of cannabis use on cognitive functioning; are there any long-term problems as a result of heavy cannabis use- or are the relationships reported all due to confounding factors?
  • Does adolescence represent a sensitive period for the potentially harmful effects cannabis use? Is cannabis use more damaging to adolescent users?
  • Why do adolescents have higher rates of drug use, particularly cannabis; and why do adolescents appear to be more susceptible to transitioning from recreational cannabis use to dependence and other cannabis-related problems?
  • How can we identify and promote potentially safer cannabis use practices, within a harm reduction framework?
Internal Collaborators External Collaborators
Prof Val Curran Marcus Munafò, University of Bristol
Dr Jon Roiser Suzi Gage, University of Bristol
  Rebecca Landy, Wolfson Institute

Current projects:

1. Associations of intellectual and educational performance with adolescent cannabis use, analysis of longitudinal data from the ALSPAC cohort

2. The effects of acute THC and CBD on memory, psychotic-like symptoms, reflective impulsivity and enjoyment of music: an fMRI study

3. The effects of acute THC on impulsivity and reward sensitivity in young adult regular cannabis users, the influence of age and age of cannabis use onset


Mokrysz, C., Gage, S., Munafò, M. R., Roiser, J. P., & Curran, H. V. (In preparation; presented as poster at ECNP conference 2014). Neuropsychological and educational outcomes related to adolescent cannabis use, a prospective cohort study.

Charles M, Wellington CE, Mokrysz C, Freeman TP, O'Ryan D, Curran HV (2015). Attentional bias and treatment adherence in substitute-prescribed opiate users. Addictive Behaviours, 46, 100-05.

Lawn W, Freeman TP, Hindocha C, Mokrysz C, Das RK, Morgan CJ, Curran HV (2015) The effects of nicotine dependence and acute abstinence on the processing of drug and non-drug rewards. Psychopharmacology, doi: 10.1007/s00213-015-3883-4.

Freeman, T. P., Mokrysz, C., & Curran, H. V. (2014) Rethinking dose-response effects of cannabis use in adolescence. The Lancet Psychiatry, 416.

Button, K., Ioannidis, J. P. A., Mokrysz, C., Nosek, B. A., Flint, J., Robinson, E., Munafò, M.R. (2013) Power failure: why small sample size undermines the reliability of neuroscience. Nature Reviews Neuroscience 14(5), 365-376.

Button, K., Ioannidis, J. P. A., Mokrysz, C., Nosek, B. A., Flint, J., Robinson, E., Munafò, M.R. (2013) Confidence and precision increase with high statistical power. Nature Reviews Neuroscience 14(8), 585.