The influence of semantic top-down processing in auditory verbal hallucinations
Open accessAbstract
Background Auditory verbal hallucinations (AVH) are one of the most prominent symptoms of schizophrenia but have also been reported in the general population. Several cognitive models have tried to elucidate the mechanism behind auditory verbal hallucinations, among which a top-down model. According to this model, perception is biased towards top-down information (e.g., expectations), reducing the influence of bottom-up information coming from the sense organs. This bias predisposes to false perceptions, i.e., hallucinations.Methods The current study investigated this hypothesis in non-psychotic individuals with frequent AVH, psychotic patients with AVH and healthy control subjects by applying a semantic top-down task. In this task, top-down processes are manipulated through the semantic context of a sentence. In addition, the association between hallucination proneness and semantic top-down errors was investigated.Results Non-psychotic individuals with AVH made significantly more top-down errors compared to healthy controls, while overall accuracy was similar. The number of top-down errors, corrected for overall accuracy, in the patient group was in between those of the other two groups and did not differ significantly from either the non-psychotic individuals with AVH or the healthy controls. The severity of hallucination proneness correlated with the number of top-down errors.Discussion These findings confirm that non-psychotic individuals with AVH are stronger influenced by top-down processing (i.e., perceptual expectations) than healthy controls. In contrast, our data suggest that in psychotic patients semantic expectations do not play a role in the etiology of AVH. This finding may point towards different cognitive mechanisms for pathological and nonpathological hallucinations.
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People with non-clinical voice-hearing appear to be particularly susceptible to semantic expectation effects when instructed to monitor for speech in white noise.
“In behavioural studies, people with NCVH appear to be particularly susceptible to semantic expectation effects when instructed to monitor for speech in white noise (Daalman et al., 2012), a result similar to effects seen in clinical voice-hearers and members of the general population who report milder, hallucination-like experiences (Fernyhough et al., 2007;Vercammen et al., 2008;Vercammen and Ale”
From Distinct processing of ambiguous speech in people with non-clinical auditory verbal hallucinations (2017) · cites this paper as Daalman et al., 2012
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- Authors
- Daalman, K., Verkooijen, S., Derks, E. M., Aleman, A., & Sommer, I. E. C.
- Affiliations
- University Medical Center Utrecht (NL)
- Amsterdam UMC Location University of Amsterdam (NL)
- University Medical Center Groningen (NL)
- Corresponding author
- Daalman, Kirstin
- Venue
- Schizophrenia Research
- Publisher
- Elsevier BV
- Published
- 2012-08
- Volume
- 139
- Issue
- 1-3
- Pages
- 82-86
- ISSN
- 0920-9964 (ISSN-L)
- OpenAlex
- W2160311591
- Cited by
- 52
- References
- 35
- Citations by year
- 2026: 5 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 5 · 2020: 4 · 2019: 6 · 2018: 1 · 2017: 6 · 2016: 5 · 2015: 3 · 2014: 1 · 2013: 3
- FWCI
- 1.15
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Schizophrenia Research (publishedVersion)
- PubMed (publishedVersion)
- University of Groningen research database (University of Groningen / Centre for Information Technology) (acceptedVersion, other-oa)
- Data Archiving and Networked Services (DANS) (submittedVersion)
- Pure Amsterdam UMC (submittedVersion)
- University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion, other-oa)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Hallucinations in medical conditions
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
- Keywords
- auditory verbal hallucinations, top-down processing
- MeSH terms
- Acoustic Stimulation, Adult, Analysis of Variance, Female, Hallucinations, Humans, Male, Middle Aged, Perceptual Distortion, Psychiatric Status Rating Scales, Surveys and Questionnaires, Semantics
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