Australian & New Zealand Journal of Psychiatry
June 23, 2026
Wei Lin Toh, Adrienne Bell, Mikaela Bere et al.
Objective: Hallucination studies in psychiatry have typically focused on the auditory domain, despite mounting evidence that non-auditory hallucinations are prevalent, and elicit distress and functional interference. Proponents have called for more in-depth phenomenological enquiries into hallucinations across multiple sensory modalities, but there are no comprehensive, validated assessment...
Schizophrenia
September 29, 2025
Wei Lin Toh, Sophie Richards, Charles Fernyhough et al.
4 citations
While voice-hearing in psychosis has received much attention, perceptual experiences in other sensory modalities and psychiatric conditions have remained relatively overlooked. The present review aimed to address this gap by providing an overview of voices/altered perceptual experiences (APE) across psychotic, mood and anxiety disorders in terms of phenomenological characteristics,...
The Journal of Nervous and Mental Disease
April 1, 2024
Wei Lin Toh, Neil Thomas, Susan Lee Rossell
1 citation
Nonauditory hallucinations in psychosis have not received as much attention relative to voice-hearing experiences. The current paper aimed to document the characteristics of these hallucinations in affective and nonaffective psychosis. Participants were selected from a primary voice-hearing sample, who had endorsed visual, tactile, or olfactory hallucinations ( N = 55-75). A comprehensive,...
Schizophrenia Bulletin
July 21, 2016
Susan Lee Rossell, Neil Thomas, Flavie Waters
This special theme in Schizophrenia Bulletin on Hallucinations includes three interdisciplinary articles presented at the International Consortium on Hallucination Research (ICHR) meeting in Melbourne, Australia, October 2015. 1 A common theme recapitulated through each of the reports relates to refining and/or improving our conceptualization and understanding of brain mechanisms and dynamics,...
Journal of Clinical Psychopharmacology
October 21, 2011
Erica Neill, Susan Lee Rossell, Sarah McDonald et al.
11 citations
Semantic deficits constitute a core cognitive abnormality in schizophrenia. In the current study, the N-methyl-d-aspartate receptor antagonist ketamine was administered to healthy individuals acutely while they performed semantic processing tasks that included word pairs of differing degrees of semantic relatedness. Two dimensions of semantic processing were investigated: (1) explicit versus...