Delayed early proprioceptive information processing in schizophrenia
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Summary: It was first suggested that disordered proprioception was a core feature of schizophrenia by Sandor Rado in 1953. Using a recently designed proprioceptive event-related potential paradigm based on a change of load, we studied 12 unmedicated male out-patients with schizophrenia and 24 controls. In the patients, the early contralateral parietal activity was delayed and later central activity had increased amplitude, but gating was unaffected. The results could be understood within the ‘deficiency of corollary discharge’ model of schizophrenia but not within the ‘filtering’ theory. Further studies, including psychiatric controls, are necessary to verify the specificity of the abnormality.
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Patients with schizophrenia exhibit abnormally high levels of neural activity to self-generated sensory stimuli.
“Evidence for this theory has been provided by studies showing that patients with schizophrenia exhibit abnormally high levels of neural activity to self-generated sensory stimuli.[56][57][58][59]”
From Schizophrenia, myelination, and delayed corollary discharges: a hypothesis (2012) · cites this paper as [57]
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References 16 · Cited by 14
- Authors
- Arnfred, S. M., Hemmingsen, R. P., & Parnas, J.
- Affiliations
- Hvidovre Hospital (DK)
- Bispebjerg Hospital (DK)
- Corresponding author
- Arnfred, Sidse Marie
- Venue
- British Journal of Psychiatry
- Publisher
- Royal College of Psychiatrists
- Published
- 2006-12
- Volume
- 189
- Issue
- 6
- Pages
- 558-559
- ISSN
- 0007-1250 (ISSN-L)
- 1472-1465
- OpenAlex
- W2158731507
- Cited by
- 14
- References
- 16
- Citations by year
- 2022: 1 · 2021: 1 · 2016: 1 · 2014: 4 · 2013: 2 · 2012: 2
- FWCI
- 0.21
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- The British Journal of Psychiatry (publishedVersion)
- PubMed (publishedVersion)
- Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
- The British Journal of Psychiatry
- Funders
- Eli Lilly and Company
- Fondation pour la Recherche Médicale
- Lundbeckfonden
- H. Lundbeck A/S
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
- Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
- Keywords
- schizophrenia, proprioception, corollary discharge, parietal cortex, sensory gating, filtering theory, unmedicated patients
- MeSH terms
- Adolescent, Adult, Evoked Potentials, Somatosensory, Humans, Male, Middle Aged, Proprioception, Reaction Time, Schizophrenic Psychology, Case-Control Studies, Somatosensory Disorders
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