Cited by 87Schizophrenia research and treatmentHallucinations in medical conditionsNeuroscience and Music Perception

Impaired sensory processing in male patients with schizophrenia: a magnetoencephalographic study of auditory mismatch detection

Kreitschmann-Andermahr, I, Rosburg, T, Meier, T, Volz, H.-P, Nowak, H, Sauer, H·1999·Schizophrenia Research

Abstract

The generation of mismatch negativity (MMN) as a component of auditory evoked event-related brain potentials has been reported previously to be severely disturbed in patients with schizophrenia. In the present study, we extended these findings to magnetoencephalography and investigated the neuromagnetic mismatch field (MMNm) in 15 male schizophrenic inpatients as compared to 16 healthy male volunteers. A standard tone of 1000 Hz and three different types of mismatch (1050-Hz tone, 5000-Hz tone, tone omission) were employed within the same paradigm, each mismatch occurring with a 10% pseudorandom probability. After correction for eye artifacts, the mean global field power of the mismatch reaction was calculated. Mismatch generation in patients with schizophrenia proved to be significantly impaired for all three conditions. This result confirms the theory of impaired auditory information processing in patients with schizophrenia at the level of the primary auditory cortex. Deficient generation of MMNm probably represents an impaired generation and/or faster decay of the sensory memory trace on the basis of disturbed sensory processing in male patients with schizophrenia.

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Crossref · 10.1016/s0920-9964(98)00115-7

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Authors
Kreitschmann-Andermahr, I., Rosburg, T., Meier, T., Volz, H.-P., Nowak, H., & Sauer, H.
Affiliations
Friedrich Schiller University Jena (DE)
Venue
Schizophrenia Research
Publisher
Elsevier BV
Published
1999-01
Volume
35
Issue
2
Pages
121-129
ISSN
0920-9964 (ISSN-L)
OpenAlex
W1970339291
Cited by
87
References
33
Citations by year
2026: 2 · 2025: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 3 · 2017: 2 · 2016: 2 · 2015: 3 · 2014: 4 · 2013: 2
FWCI
6.14
Type
journal article
Language
en
Open access
closed
Locations
  • Schizophrenia Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Hallucinations in medical conditions
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
Keywords
schizophrenia, mismatch negativity
MeSH terms
Adult, Analysis of Variance, Cerebral Cortex, Cognition Disorders, Dominance, Cerebral, Humans, Male, Middle Aged, Schizophrenia, Magnetoencephalography, Case-Control Studies

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