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Juliet Griffin

Juliet Griffin

PhD Student


Biography:

I studied Natural Sciences at Cambridge, specialising in Experimental Psychology for my BA in 2013 and completing the MSci in History and Philosophy of Science the following year. In 2014 I applied to do a PhD investigating the development of psychotic symptoms (particularly delusions) in the context of schizophrenic illness. I received funding from the Wellcome Trust NeuroScience in Psychiatry Network, and started my PhD later that year under the supervision of Prof Paul Fletcher and Dr Graham Murray.

Departments and Institutes

Psychiatry:

Research Interests

I am interested in how and why the schizophrenia syndrome progresses from the initial 'prodromal' phase, during which people frequently report a sense of strangeness or incipient revelation, through the first 'psychotic episode' wherein full-blown hallucinations and/or delusions are experienced, and finally to the entrenchment of delusions and the development of so-called 'negative symptoms' (such as anhedonia) during the chronic phase that some patients subsequently transition to.

My research focusses on predictive processing theories of psychosis. In particular, I am interested in using computational modelling of basic belief-updating processes to bring these theories to bear on two major questions: (1) why it is that delusions are so extremely difficult to shift once they have initially crystallised, and (2) why the content of delusional beliefs tends to concern the patient's social environment and relationships.