Schizophrenia ResearchSeptember 2012Margreet Oorschot, Tineke Lataster, Viviane Thewissen et al.
Hallucinations are a core feature of psychosis, often causing considerable distress. Reported prevalence ranges from 70% for auditory hallucinations (AHs) to 30% for visual hallucinations (VHs) and 4% for hallucinations in the tactile domain. AHs have been studied extensively but studies on VHs are scarce. The current study investigated the phenomenology of VHs and AHs in the realm of daily...
An influential model of hallucinations proposed by Morrison et al. (1995. Behavioural and Cognitive Psychotherapy, 23(3), 265-280) assumes that dysfunctional metacognitive beliefs lead to the misattribution of intrusive thoughts to external sources, therefore generating hallucinatory experiences. Following a comprehensive review of the literature, a series of meta-analyses was carried out to...
A qualitative study, investigating the representations and explanatory models of ;madness' held by indigenous and religious healers, was undertaken in urban Uganda. Case vignettes of individuals with a diagnosis of a psychotic disorder were discussed by the healers in terms of phenomenology, causality, intervention and outcome. Indigenous healers primarily understood ;madness' as spiritual or...