JMIR Mental Health
June 16, 2026
Lorenzo Ghelfi, Jack Healy, Francesco Piacenza et al.
Abstract Background Psychotic disorder represents a leading cause of disability worldwide, and relapse in psychosis is common. Artificial intelligence (AI) is increasingly recognized as a method that could aid clinical monitoring for individuals experiencing psychosis. Objective This review aims to map the existing literature on AI-based approaches—including machine learning, deep learning, and...
Schizophrenia Bulletin
October 6, 2025
Charles Fernyhough, Janna De Boer, Paige E Davis et al.
3 citations
Hallucinations figure prominently in a range of psychiatric disorders but, to date, their developmental origins are not well understood. The aim of the present article is to explore how ideas from mainstream developmental psychology can enhance understanding of how hallucinations develop in different modalities across the lifecourse. Hallucinations vary in their clinical significance depending...
Schizophrenia Bulletin
February 1, 2023
Sanne G Brederoo, Janna De Boer, Mascha M J Linszen et al.
Background and hypothesis: The social deafferentation hypothesis (SDA) has been proposed as an explanatory mechanism of hallucinations, based on the theory that social withdrawal triggers the initial phase of schizophrenia. The current study tests the SDA by assessing how loneliness is associated with different types of hallucinations. Under the SDA, increased loneliness is hypothesized to...
Schizophrenia
April 23, 2022
Mascha M J Linszen, Janna De Boer, Maya Schutte et al.
55 citations
Although epidemiological studies report that hallucinations occur in 6-15% of the general population, little is known about their phenomenology. To overcome this paucity, this study investigates the phenomenological characteristics of hallucinations in the general population, by using a nationally promoted online survey to assess hallucination phenomenology in four sensory modalities, through a...
Scientific Reports
April 8, 2021
Sanne G Brederoo, Janna De Boer, Jacqueline de Vries et al.
Although previous studies reported a link between sleep problems and the occurrence of hallucinations, more detailed information is needed to translate this association into clinical practice. This study investigates sleep quality and its relation to prevalence, type, content, and phenomenology of hallucinations, using an online survey in a large population sample (n = 10,299). Based on...