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Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
Published on: October 24, 2012
The mismatch negativity (MMN) in basic research of central auditory processing: a review
R Näätänen1, P Paavilainen, T Rinne
1Cognitive Brain Research Unit, Department of Psychology, University of Helsinki, Helsinki, Finland. risto.naatanen@helsinki.fi
Summary
Mismatch negativity (MMN) research reveals automatic auditory processing and intelligent stimulus anticipation. MMN also helps understand attention switching and conscious perception of sound changes.
Area of Science:
- Neuroscience
- Cognitive Science
- Auditory Neuroscience
Background:
- The mismatch negativity (MMN) is a neurophysiological response to auditory changes.
- Recent research expands MMN's scope beyond basic auditory processing to higher-order cognition.
Purpose of the Study:
- To review basic research on MMN and related brain imaging findings.
- To explore MMN's role in higher-order cognitive processes and automatic intelligent functions.
Main Methods:
- Review of mismatch negativity (MMN) research.
- Analysis of analogous results from magnetoencephalography (MEG) and other brain imaging technologies.
Main Results:
- MMN is elicited by any discriminable auditory change.
- MMN extends to grammar and semantic meaning, indicating higher-order processing.
- MMN data suggest automatic intelligent processes like stimulus anticipation in the auditory cortex.
- MMN aids in understanding attention switching and conscious perception of sound changes.
Conclusions:
- MMN is a valuable tool for investigating auditory processing and cognitive functions.
- MMN research highlights the brain's capacity for automatic intelligent processing and attention shifts.
