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Related Experiment Video

Updated: Jun 13, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Omission mismatch negativity builds up late.

János Horváth¹, Dagmar Müller, Annekathrin Weise

¹Institute for Psychology, Hungarian Academy of Sciences, Budapest, Hungary. horvath@cogpsyphy.hu

|April 14, 2010

Summary

Mismatch negativity (MMN) event-related potentials (ERPs) build up rapidly. However, omission-related ERPs require more frequent omissions to emerge, indicating a slower build-up compared to MMN.

Related Experiment Videos

Last Updated: Jun 13, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Area of Science:

Auditory Neuroscience
Cognitive Neuroscience
Neuroscience

Background:

Mismatch negativity (MMN) is an event-related potential (ERP) reflecting auditory change detection.
MMN generation is influenced by the duration of preceding regular auditory stimulation, showing rapid build-up.
Infrequent auditory omissions can also elicit MMN-like waveforms, prompting investigation into their build-up characteristics.

Purpose of the Study:

To investigate the build-up process of omission-related event-related potentials (ERPs).
To compare the build-up speed of omission-related ERPs with that of mismatch negativity (MMN).

Main Methods:

Presentation of auditory sequences with omissions at penultimate stimulus positions.
Varying the number of preceding tones (two to nine) in repetitive sequences.
Introducing omissions with a 9% probability within continuously presented tones.

Main Results:

No consistent omission-related ERP was observed when omissions occurred after short trains of tones.
An omission-related waveform was elicited when omissions occurred with a 9% probability among continuous tones.
These findings suggest a difference in the build-up dynamics between MMN and omission-related ERPs.

Conclusions:

The build-up of omission-related ERPs is slower than that of mismatch negativity (MMN).
Auditory change detection mechanisms may differ in their sensitivity to regularity and omission patterns.
Further research is needed to fully elucidate the neural processes underlying omission detection.