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Related Experiment Video

Updated: Jun 16, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
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Published on: August 1, 2018

Digit-tracking reveals curiosity-driven visual attention in macaque monkeys.

Yidong Yang1, Antoine Ameloot1, Guillaume Lio1,2

  • 1Institut des Sciences Cognitives Marc Jeannerod, CNRS, UMR 5229, Université Claude Bernard Lyon, 67 Bd Pinel, 69675, Bron Cedex, France.

Scientific Reports
|June 13, 2026
PubMed
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Digit-tracking, a touch-based method, reveals macaque monkeys explore images based on intrinsic curiosity, not just rewards. This technique offers a portable alternative to eye-tracking for studying visual attention.

Area of Science:

  • Cognitive Neuroscience
  • Primate Behavior
  • Human-Computer Interaction

Background:

  • Visual attention research traditionally relies on eye-tracking.
  • Assessing spontaneous exploration in non-human primates presents methodological challenges.
  • Understanding the drivers of visual exploration is key to cognitive science.

Purpose of the Study:

  • To investigate spontaneous visual exploration in macaque monkeys using digit-tracking.
  • To compare digit-tracking with eye-tracking in monkeys and humans.
  • To evaluate computational models in predicting visual exploration patterns.

Main Methods:

  • Digit-tracking on touch-sensitive displays with degraded images.
  • Juice rewards for pixel interaction, not region-specific.

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Related Experiment Videos

Last Updated: Jun 16, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

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

Published on: November 14, 2018

  • Generation of attention maps from touch data.
  • Comparison with monkey eye-tracking and human digit-tracking data.
  • Application of saliency and Convolutional Neural Network (CNN) models.

    • Main Results:

    • Monkey digit-tracking attention maps significantly correlated with monkey eye-tracking and human digit-tracking maps.
    • Exploration patterns showed significant cross-species and cross-device correlations.
    • Computational models, particularly CNNs, accurately predicted empirical exploration.
    • Monkeys focused on information-rich regions, suggesting intrinsic curiosity drove exploration.

    Conclusions:

    • Digit-tracking is a valid and comparable method to eye-tracking for studying visual attention.
    • Spontaneous visual exploration in monkeys is driven by intrinsic curiosity.
    • Digit-tracking provides a portable, minimally invasive tool for ecological cognitive research.