Parkinson’s Disease Psychosis

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visual misperceptions

Validation of the Psychosis and Hallucinations Questionnaire in Non-demented Patients with Parkinson’s Disease

By James M. Shine BSc, MBBS, PhD, Joanna M.Z. Mills BA Hons, Jessica Qiu MBBS, Claire O'Callaghan BA Hons, MClinNeuro, Zoe Terpening BPsych Hons, MSc, DClinNeuropsych, MAPS, CCN, Glenda M. Halliday BSc, PhD, Sharon L. Naismith BA Hons, MClinNpsych, DPsych, MAPS, CCN and Simon J.G. Lewis MBBCh, BSc, MRCP, FRACP, MD

People diagnosed with Parkinson’s disease (PD) frequently experience visual and non-visual hallucinations often with comorbid psychosis, however, there is currently no gold standard tool for accurately assessing these symptoms. To address this problem, we designed a novel questionnaire to evaluate the presence of hallucinatory and psychotic symptoms in PD, as well as related symptoms, such…

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Visual hallucinations in Parkinson’s disease: Theoretical models

By Alana J. Muller BMedSc (Hons), James M. Shine BSc (Adv), MBBS, PhD, Glenda M. Halliday PhD andSimon J.G. Lewis MBBCh, BSc, MRCP, FRACP, MD

One of the most challenging tasks in neuroscience is to be able to meaningfully connect information across the different levels of investigation, from molecular or structural biology to the resulting behavior and cognition. Visual hallucinations are a frequent occurrence in Parkinson’s disease and significantly contribute to the burden of the disease. Because of the widespread…

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