Cited by 579Hallucinations in medical conditionsSchizophrenia research and treatmentVisual perception and processing mechanisms

The hallucinating brain: a review of structural and functional neuroimaging studies of hallucinations

Allen, Paul, Larøi, Frank, McGuire, Philip K., Aleman, Andrè·2008·Neuroscience & Biobehavioral Reviews

Abstract

Hallucinations remains one of the most intriguing phenomena in psychopathology. In the past two decades the advent of neuroimaging techniques have allowed researchers to investigate what is happening in the brain of those who experience hallucinations. In this article we review both structural and functional neuroimaging studies of patients with auditory and visual hallucinations as well as a small number of studies that have assessed cognitive processes associated with hallucinations in healthy volunteers. The current literature suggests that in addition to secondary (and occasionally primary) sensory cortices, dysfunction in prefrontal premotor, cingulate, subcortical and cerebellar regions also seem to contribute to hallucinatory experiences. Based on the findings of these studies we tentatively propose a neurocognitive model in which both bottom-up and top-down processes interact to produce these erroneous percepts. Finally, directions for future work are discussed.

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Crossref · 10.1016/j.neubiorev.2007.07.012

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Authors
Allen, P., Larøi, F., McGuire, P. K., & Aleman, A.
Affiliations
  • King's College London (GB)
  • University of Liège (BE)
  • University of London (GB)
Corresponding author
Allen, Paul
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2008-01
Volume
32
Issue
1
Pages
175-191
ISSN
0149-7634 (ISSN-L)
OpenAlex
W2107394985
Cited by
579
References
104
Citations by year
2026: 20 · 2025: 20 · 2024: 21 · 2023: 54 · 2022: 32 · 2021: 32 · 2020: 40 · 2019: 23 · 2018: 33 · 2017: 37 · 2016: 33 · 2015: 29 · 2014: 40 · 2013: 28 · 2012: 48
FWCI
1.45
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
  • Open Repository and Bibliography (University of Liège) (submittedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Hallucinations in medical conditions
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
hallucinations, auditory hallucinations, visual hallucinations, prefrontal cortex, cingulate cortex, cerebellum, subcortical dysfunction, top-down and bottom-up processes, healthy volunteers
MeSH terms
Brain, Brain Mapping, Hallucinations, Humans, Functional Laterality, Magnetic Resonance Imaging, Positron-Emission Tomography

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