Dr Liam Mason

BSc, PhD, DClinPsy

Clinical Psychologist (HCPC Registration Number: PYL32600)


After completing his BSc in Psychology and Neuroscience in 2007, Dr Mason worked as a Psychological Therapist in one of the first IAPT services in Salford Primary Care Trust. He subsequently completed a PhD investigating the psychological mechanisms of impulsivity and risk-taking in bipolar disorder using neuroscience approaches, awarded by the University of Manchester in 2012. Dr Mason completed his doctoral training in Clinical Psychology at the Institute of Psychiatry, Psychology and Neuroscience based at King’s College London, qualifying in 2015. He now has a joint clinical and research role at the PICuP Clinic and University College London.


Dr Mason is interested in using neuroimaging to better understand the mechanisms of psychological interventions such as cognitive behavioural therapy and, hopefully, improve future interventions. More broadly, his research interests are using neuroimaging to study psychological processes in affective disorders and psychosis, including emotion regulation, reward processing and decision-making.


  1. Mason, Grey, & Veale. My Therapist is a Student? The Impact of Therapist Experience and Client Severity on Cognitive Behavioural Therapy Outcomes for People with Anxiety Disorders. Behavioural and Cognitive Psychotherapy, 2015.
  2. Mason et al. Attentional bias predicts reward salience and impulsivity in bipolar disorder. Biological Psychiatry, 2015.
  3. Mason et al. Decision-making and trait impulsivity in bipolar disorder are associated with reduced prefrontal regulation of striatal reward valuation. Brain, 2014.
  4. Mason et al. I want it now! Neural correlates of hypersensitivity to immediate reward in hypomania. Biological Psychiatry, 2012.
  5. Mason et al. Better Than I Thought: Positive Evaluation Bias in Hypomania. PLoS ONE, 2014.
  6. Blackburn, Mason et al. Delay discounting as emotional processing: An electrophysiological study. Cognition & Emotion, 2012.
  7. O’Sullivan et al. fMRI evidence of a relationship between hypomania and both increased goal-sensitivity and positive outcome-expectancy bias. Neuropsychologia, 2011.
  8. Lloyd et al. Development of a paradigm for measuring somatic disturbance in clinical populations with medically unexplained symptoms. Journal of Psychosomatic Research, 2008.
  9. Mason, L., Peters, E.R., Dima, D., Williams, S.C., & Kumari, V. (2016) Cognitive behavioural therapy normalizes functional connectivity for social threat in psychosis. Schizophrenia Bulletin, 42, 684-692.
  10. Mason, L., Peters E., & Kumari V. (2016) Functional connectivity predictors and mechanisms of cognitive behavioural therapies: A systematic review with recommendations.  Australian & New Zealand Journal of Psychiatry, 50, 311-321.
  11. Mason, L.,Peters, E., Williams, S.C., & Kumari, V. (2017) Brain connectivity changes occurring following cognitive behavioural therapy for psychosis predict long-term recovery. Translational Psychiatry, Volume 7 doi:10.1038/tp.2016.263.

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