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Related Experiment Video

Updated: Feb 11, 2026

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

Eye gaze direction shows a positive serial dependency.

David Alais¹, Garry Kong^1,2, Colin Palmer³

¹School of Psychology, The University of Sydney, New South Wales, Australia.

Journal of Vision

|May 1, 2018

Summary

Perception of eye gaze direction is biased by recent visual input, stabilizing vision. Head direction perception, however, shows no such bias, indicating different processing for stable versus variable visual cues.

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Area of Science:

Visual perception
Neuroscience
Psychophysics

Background:

Human visual perception is influenced by recent stimuli, a phenomenon known as positive serial dependency.
This temporal averaging helps reduce noise and stabilize perception by exploiting short-term correlations in visual scenes.

Purpose of the Study:

To investigate serial dependencies in the perception of head and eye direction.
To determine if temporal averaging mechanisms apply to gaze direction cues.

Main Methods:

Used a reproduction method to measure perceived head and eye gaze direction.
Presented rapid sequences of briefly displayed face stimuli across three experiments.

Main Results:

Perceived eye gaze direction exhibited a positive serial dependency for both vertical and horizontal changes, with a stronger effect horizontally.
No serial dependency was found for horizontal changes in head position.

Conclusions:

A perception-stabilizing 'continuity field' operates on eye position, which is highly variable over short timescales.
Head position, a more stable cue, does not show this temporal averaging effect, suggesting distinct neural processing.