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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...

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Related Experiment Video

Updated: May 17, 2026

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

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Reading your own lips: common-coding theory and visual speech perception.

Nancy Tye-Murray¹, Brent P Spehar, Joel Myerson

¹Department of Otolaryngology, Washington University School of Medicine, Campus Box 8115, 660 South Euclid Avenue, St. Louis, MO 63124, USA. murrayn@ent.wustl.edu

Psychonomic Bulletin & Review

|November 8, 2012

Summary

This summary is machine-generated.

Observing your own actions enhances perception. People lip-read their own recorded speech better than others

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Area of Science:

Cognitive Science
Neuroscience
Psychology

Background:

Common-coding theory suggests perceiving actions uses the same motor plans as performing them.
Individual differences in action execution may lead to stronger motor activation when observing oneself versus others.

Purpose of the Study:

To test if observing one's own actions enhances perception more than observing others.
To investigate if this self-observation effect applies to lipreading.

Main Methods:

Participants lip-read silent video clips of their own previous utterances and those of other talkers.
Videos were recorded more than two weeks prior to the experiment.

Main Results:

Participants demonstrated significantly higher accuracy when lip-reading their own recorded speech compared to others'.
This finding supports the hypothesis that self-observation enhances motor plan activation.

Conclusions:

Visual perception of speech is influenced by activated speech motor activity.
This suggests a link between visual input, motor representations, and accessing word meanings in the mental lexicon.