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Margot Overman


DPhil Student

I am a second-year DPhil student funded by the Medical Research Council and the University College War Memorial Scholarship. The focus of my research is on the use of non-invasive neuromodulation techniques to ameliorate depressive symptomatology under the supervision of Dr Jacinta O'Shea and Dr Michael Browning. By applying brain stimulation methods such as transcranial direct current stimulation (tDCS), I am trying to augment the effects of information bias training in both healthy adults and subclinical depression. I am especially interested in the use of computational models to explain both cognitive processes and behavioural impairments related to mood disorders. In addition, I am using eye tracking to investigate pupil responses in reward learning as a measure of activity of the norepinephrine system. The aim of this research is to provide a better understanding of the neural activation patterns and cognitive impairments underlying mood disorders, and to inform the development of novel therapies for treatment-resistant depression.