No association between symptom severity and MMN impairment in schizophrenia: A meta-analytic approach
Open accessAbstract
The mismatch negativity (MMN) is an event-related potential that is consistently attenuated in people with schizophrenia. Within the predictive coding model of psychosis, MMN impairment is thought to reflect the same prediction failures that are also thought to underlie the development and crystallization of delusions and hallucinations. However, the true relationship between symptom severity and MMN impairment across studies has not yet been established. The present meta-analysis used meta-regressions to examine the relationship between MMN impairment (quantified as Hedges' g ) and PANSS positive and negative symptom totals across 62 and 68 samples, respectively. Furthermore, we examined the relationship between MMN impairment and group differences in educational achievement ( n = 47 samples), cognitive ability ( n = 36 samples), and age ( n = 86 samples). Overall, we found no significant associations between MMN impairment and symptom severity ( p 's > 0.50); however, we did observe a trend-level association between MMN impairment and lower education ( p = 0.07) and a significant association with older age ( p < 0.01) in the schizophrenia patient group. Taken together, these results challenge a simple predictive coding model of psychosis, and suggest that MMN impairment may be more closely associated with premorbid functioning than with the expression of psychotic symptoms.
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Psychosis has been associated with a decreased influence of stimulus predictability on brain responses, such as N400, P300, and MMN.
“a decreased influence of stimulus predictability on brain responses (e.g. N400, P300, MMN; but see (62));”
From The Predictive Coding Account of Psychosis (2018) · cites this paper as [62]
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- Authors
- Erickson, M. A., Albrecht, M., Ruffle, A., Fleming, L., Corlett, P., & Gold, J.
- Affiliations
- Rutgers, The State University of New Jersey (US)
- Curtin University (AU)
- Yale University (US)
- Corresponding author
- Erickson, Molly A.
- Venue
- Schizophrenia Research Cognition
- Publisher
- Elsevier BV
- Published
- 2017-09
- Volume
- 9
- Pages
- 13-17
- ISSN
- 2215-0013 (ISSN-L)
- PMC
- PMC5514390
- OpenAlex
- W2613546550
- Cited by
- 38
- References
- 41
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 6 · 2023: 9 · 2022: 2 · 2021: 5 · 2020: 5 · 2019: 5 · 2018: 2
- FWCI
- 2.70
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Schizophrenia Research Cognition (publishedVersion, cc-by-nc-nd)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- eSpace (Curtin University) (submittedVersion)
- Funders
- State of Connecticut Department of Mental Health and Addiction Services
- International Mental Health Research Organization
- Georgia Clinical and Translational Science Alliance (UL1TR000142)
- National Institutes of Health (UL1TR000142, TR000142, UL1TR001863)
- National Center for PTSD, U.S. Department of Veterans Affairs
- Medical Research Council
- National Health and Medical Research Council (1090716)
- National Institute of Mental Health (R01MH067073, MH065034, MH067073, R01MH065034)
- National Center for Research Resources
- National Center for Advancing Translational Sciences (TR000142)
- 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 › Hallucinations in medical conditions
- Keywords
- mismatch negativity, schizophrenia, symptom severity, event-related potentials, positive symptoms, negative symptoms, educational attainment, premorbid functioning, age differences, delusions and hallucinations
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