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Related Experiment Video

Updated: May 10, 2026

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

Gaze direction affects face perception in humans.

Shoko Watanabe¹, Kensaku Miki, Ryusuke Kakigi

¹Department of Integrative Physiology, National Institute for Physiological Sciences, Myodaiji, Okazaki 444-8585, Japan. wshoko@nips.ac.jp

Neuroscience Letters

|June 5, 2002

Summary

This summary is machine-generated.

This study found that viewing averted eyes, especially to the right, elicits a stronger brain response in the right temporal lobe compared to straight gaze. Event-related potentials (ERP) confirm the right hemisphere

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Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

Area of Science:

Neuroscience
Cognitive Neuroscience
Visual Perception

Background:

Previous research suggests the lateral temporal region, particularly the superior temporal sulcus, is involved in processing gaze direction.
Studies indicate the right hemisphere plays a crucial role in interpreting gaze cues.
Neurophysiological evidence specifically using event-related potentials (ERP) for gaze direction processing is limited.

Purpose of the Study:

To investigate the neurophysiological differences in brain responses to straight versus averted gaze using event-related potentials (ERP).
To determine if gaze direction (straight vs. averted) influences the timing and amplitude of ERP components.
To explore the hemispheric lateralization of brain activity during the perception of gaze direction.

Main Methods:

Event-related potentials (ERP) were recorded from participants viewing images of faces with straight and averted gazes.
Analysis focused on peak latencies and amplitudes of specific ERP components.
Statistical comparisons were made between ERPs elicited by straight and averted eye stimuli, with attention to hemispheric differences.

Main Results:

No significant differences were found in the peak latencies of ERP components between straight and averted eye conditions.
A significantly larger amplitude was observed for averted eyes compared to straight eyes at a lateral temporal electrode in the right hemisphere.
This effect was more pronounced when the eyes were averted to the right.

Conclusions:

The findings support the role of the right lateral temporal cortex in processing averted gaze.
ERP data confirm previous neuroimaging and single-unit recording findings regarding gaze perception.
This study provides the first systematic neurophysiological evidence using ERP to demonstrate the heightened response to averted gaze in the right hemisphere.