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Updated: Aug 15, 2026
A Method to Study Adaptation to Left-Right Reversed Audition
Published on: October 29, 2018
Temporal integration of auditory stimulus deviance as reflected by the mismatch negativity
E Sussman1, I Winkler, W Ritter
1Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, USA. esussman@balrog.aecom.yu.edu
Abstract:
We recorded event-related brain potentials (ERPs) to two different infrequent deviant tones presented successively within the repetitive sequence of a standard tone. A separate mismatch negativity (MMN) component was elicited by each of the two deviants when the interval separating their onsets was 300 ms. However, only a single MMN component was elicited when the temporal separation between the onsets of the two deviants was 150 ms. Previous studies obtained similar results using two temporally separated deviations carried by a single sound. Taken together, these results support the notion of a general temporal integration mechanism in the formation of auditory events with ca. 200 ms long window.
Insights
Auditory event-related potentials reveal a temporal integration window of approximately 200 ms. This suggests a general mechanism for processing successive auditory stimuli, impacting mismatch negativity (MMN) detection.
Area of Science:
- Neuroscience
- Auditory Perception
- Cognitive Psychology
Background:
- Event-related potentials (ERPs) are crucial for understanding brain responses to auditory stimuli.
- Mismatch negativity (MMN) is a specific ERP component reflecting automatic change detection in auditory sequences.
- Previous research suggests temporal integration plays a role in auditory processing.
Purpose of the Study:
- To investigate the temporal integration window for auditory event processing.
- To examine how the interval between successive deviant tones affects MMN generation.
- To determine if a general temporal integration mechanism underlies auditory change detection.
Main Methods:
- Recorded event-related potentials (ERPs) in response to standard and two infrequent deviant tones.
- Manipulated the temporal separation between the onsets of the two deviant tones (300 ms vs. 150 ms).
- Analyzed the resulting mismatch negativity (MMN) components.
Main Results:
- A single MMN component was elicited when deviant tones were separated by 150 ms.
- Two separate MMN components were observed when deviant tones were separated by 300 ms.
- These findings align with previous studies using single-sound deviations.
Conclusions:
- The results support a general temporal integration mechanism in auditory processing.
- This mechanism appears to operate with a temporal window of approximately 200 ms.
- The findings have implications for understanding how the brain forms auditory events from sequential stimuli.
