Neuroimaging Auditory Hallucinations in Schizophrenia: From Neuroanatomy to Neurochemistry and Beyond
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Despite more than 2 decades of neuroimaging investigations, there is currently insufficient evidence to fully understand the neurobiological substrate of auditory hallucinations (AH). However, some progress has been made with imaging studies in patients with AH consistently reporting altered structure and function in speech and language, sensory, and nonsensory regions. This report provides an update of neuroimaging studies of AH with a particular emphasis on more recent anatomical, physiological, and neurochemical imaging studies. Specifically, we provide (1) a review of findings in schizophrenia and nonschizophrenia voice hearers, (2) a discussion regarding key issues that have interfered with progress, and (3) practical recommendations for future studies.
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Neuroimaging studies show activation of language networks during AVHs, supporting the inner speech model.
“The inner speech model of AVHs also gains support from neuroimaging studies showing activation of language networks during AVHs (Allen et al., 2012).”
From Inner Speech: Development, Cognitive Functions, Phenomenology, and Neurobiology (2015) · cites this paper as Allen et al., 2012
Metabolic and functional changes in speech-related areas are widely reported in functional brain imaging studies of schizophrenia patients with hallucinations.
“Consistent with the notion of an E/I imbalance, metabolic and functional changes in speech-related areas have been widely reported in functional brain imaging studies of SCZ patients with hallucinations.26”
From Are hallucinations due to an imbalance between excitatory and inhibitory influences on the brain? (2016) · cites this paper as [26]
AVHs are often accompanied by activation of the speech and language perception areas in the left hemisphere.
“AVHs are often accompanied by activation of the speech and language perception areas in the left hemisphere”
From Auditory verbal hallucinations as atypical inner speech monitoring, and the potential of neurostimulation as a treatment option (2013) · cites this paper as Allen et al., 2012
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- Authors
- Allen, P., Modinos, G., Hubl, D., Shields, G., Cachia, A., Jardri, R., Thomas, P., Woodward, T., Shotbolt, P., Plaze, M., & Hoffman, R.
- Affiliations
- King's College London (GB)
- University Hospital of Bern (CH)
- Inserm (FR)
- Université Lille Nord de France (FR)
- University of British Columbia (CA)
- Yale University (US)
- Corresponding author
- Allen, P.
- Venue
- Schizophrenia Bulletin
- Publisher
- Oxford University Press (OUP)
- Published
- 2012-04-25
- Volume
- 38
- Issue
- 4
- Pages
- 695-703
- ISSN
- 0586-7614 (ISSN-L)
- 1745-1701
- PMC
- PMC3406523
- OpenAlex
- W2134630800
- Cited by
- 240
- References
- 52
- Citations by year
- 2026: 6 · 2025: 5 · 2024: 10 · 2023: 13 · 2022: 8 · 2021: 13 · 2020: 29 · 2019: 22 · 2018: 17 · 2017: 29 · 2016: 28 · 2015: 18 · 2014: 18 · 2013: 14 · 2012: 10
- FWCI
- 1.47
- Type
- journal article
- Language
- en
- Open access
- green
- europepmc.org
- Locations
- Schizophrenia Bulletin (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion)
- BORIS (University Library Bern) (submittedVersion)
- Research Portal (King's College London) (submittedVersion)
- Funders
- National Institute of Mental Health (R01MH067073, R01MH073673)
- 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 hallucinations, schizophrenia
- MeSH terms
- Brain, Hallucinations, Humans, Magnetic Resonance Imaging, Magnetic Resonance Spectroscopy, Radiography, Schizophrenia, Positron-Emission Tomography, Diffusion Tensor Imaging, Neuroimaging, Functional Neuroimaging
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