Validation of the Psychosis and Hallucinations Questionnaire in Lewy Body Dementia

Chaminda Withanachchi Gunawardana, Peter G. R, Elie Matar, Simon J.G. Lewis, s Disease Research Clinic, Faculty of Medicine, Health and Human Sciences, Macquarie University, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Faculty of Medicine and Health, Sydney Medical School, University of Sydney, Department of Neurology, Royal Prince Alfred Hospital

Journal of Geriatric Psychiatry and Neurology

Published online on November 07, 2025

Abstract

Journal of Geriatric Psychiatry and Neurology, Volume 39, Issue 4, Page 368-379, July 2026.
BackgroundPsychotic symptoms are common in patients with Parkinson’s Disease Dementia and Dementia with Lewy Bodies, known collectively as the Lewy Body Dementias (LBD). It is important to identify these symptoms early and accurately. However, these ...