Sam Hewitt
Fellow, IMPRS COMP2PSYCH London
Sam Hewitt is a 1st year PhD student in the Developmental Computational Psychiatry group at the Max Planck Centre for Computational Psychiatry and Wellcome Centre for Human Neuroimaging, University College London. His PhD is investigating the neurocomputational mechanisms of motivation and their dynamics over time. This involves investigating the impact of dopamine on reinforcement learning, about effort and reward under fMRI, and using ecological momentary assessment to study individual differences in fluctuations of motivation in healthy adults and adolescents. His PhD supervisors are Dr. Tobias Hauser and Prof. Oliver Robinson. Previously, he worked as a Research Assistant in the Department of Clinical Neuroscience at the University of Cambridge. He has an MSc Brain and Mind Sciences (UCL) and a BSc Experimental Psychology (University of Bristol).