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Updated: Mar 26, 2026
Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
Published on: September 8, 2021
The neurobiology of MMN and implications for schizophrenia
Patricia T Michie1, Manuel S Malmierca2, Lauren Harms1
1School of Psychology, University of Newcastle, Australia; Priority Research Centre for Translational Neuroscience and Mental Health, University of Newcastle, Australia.
Abstract:
Although the scientific community appears to know a lot about MMN, about its neural generators and the computational processes that underlie its generation, do we have sufficient knowledge to understand what causes the reduction of MMN amplitude in schizophrenia? Here we attempt to integrate the evidence presented in this series of papers for the special issue on MMN in schizophrenia together with evidence from other new relevant research and ask--what have we learnt? While MMN research was the purview for decades of psychophysiologists interested in event-related potentials derived from scalp recorded EEG, it is now part of mainstream neuroscience research attracting the interest of basic auditory neuroscientists, neurobiologists and computational modellers. The confluence of these developments together with increasing clinical research has certainly advanced our understanding of the causes of reduced MMN in schizophrenia as this integrative review attempts to demonstrate--but much remains to be learnt. Future advances will rely on the application of multiple methodologies and approaches in order to arrive at better understanding of the neurobiology of MMN and implications for schizophrenia.
Insights
While much is known about the mismatch negativity (MMN) brain response, its reduction in schizophrenia remains unclear. Integrating current research advances understanding but highlights the need for further neurobiological investigation.
Area of Science:
- Neuroscience
- Psychophysiology
- Psychiatry
Background:
- Mismatch negativity (MMN) is a well-studied event-related potential.
- Its neural generators and computational underpinnings are increasingly understood.
- However, the causes of reduced MMN amplitude in schizophrenia are not fully elucidated.
Purpose of the Study:
- To integrate existing evidence on MMN in schizophrenia.
- To assess the current state of knowledge regarding reduced MMN amplitude in schizophrenia.
- To identify future research directions for understanding MMN neurobiology in schizophrenia.
Main Methods:
- Integrative review of published research.
- Synthesis of findings from a special issue on MMN in schizophrenia.
- Incorporation of recent relevant studies.
Main Results:
- Significant advancements have been made in understanding MMN generation.
- The confluence of psychophysiology, neuroscience, and clinical research has improved insights into reduced MMN in schizophrenia.
- Despite progress, a comprehensive understanding of the neurobiological basis of reduced MMN in schizophrenia is still lacking.
Conclusions:
- Current research has advanced the understanding of reduced MMN amplitude in schizophrenia.
- Further investigation is required to fully comprehend the neurobiology of MMN and its implications for schizophrenia.
- Future progress necessitates the application of diverse methodologies and approaches.
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