PsychosisBank English Palaniyappan Discourse-UWO Corpus

Lena Palaniyappan
Centre of Excellence in Youth Mental Health
McGill University
lena.palaniyappan@mcgill.ca

Participants:	146
Type of Study:	discourse -- conversations
Location:	Canada
Media type:	audio
DOI:	doi:10.21415/T30R-YM65

Citation information

Cho, B., Balles, E., Mackinley, M., Dzialoszynski, P., Ford, S., Lodhi, R. & Palaniyappan, L. (2026).The DISCOURSE in psychosis (London Ontario): A speech dataset to examine communication disturbances in early-stage psychosis.Data in Brief (65) 112517. https://doi.org/10.1016/j.dib.2026.112517.

Discourse In Psychosis - UWO data

This is a dataset collected from people with established psychotic disorders (predominantly schizophrenia; consensus based best-estimate diagnosis) and healthy control subjects in London, Ontario using the full DISCOURSE protocol (unstructured conversation, personal narrative, picture description [3 TAT pictures] , health narrative, dream reports, storyboard [lighthouse], reading and recall [pitcher and crow]). DISCOURSE-based demographic data on immigration status, parental socio-economic status, language at home, data on antipsychotic doses, 10-item PANSS, occurrence of relapses over 1 year, and follow-up speech data after 1 year, social, occupational and educational functioning data, self-endorsed substance use data (cannabis, nicotine and alcohol) are also available. Part of the sample has verbal fluency and modified digit symbol substitution data. data.