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Eye Movement Monitoring of Memory
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Belief embodiment through eye movements facilitates memory-guided navigation.

Akis Stavropoulos1, Kaushik J Lakshminarasimhan2,3, Dora E Angelaki4,5

  • 1Center for Neural Science, New York University, New York, NY, USA. ges6@nyu.edu.

Nature Communications
|November 24, 2025
PubMed
Summary
This summary is machine-generated.

Eye movements are crucial cognitive resources for memory-guided navigation. This study shows how gaze tracking in humans and neural models explain navigation strategies, highlighting embodied cognition.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Neuroscience

Background:

  • Understanding how the brain navigates uncertain environments is key to explaining complex behaviors.
  • Behavioral strategies depend on task demands and available cognitive resources.

Purpose of the Study:

  • To investigate the role of eye movements as a cognitive resource in memory-guided navigation.
  • To model the neural mechanisms underlying navigation strategies using eye movement data.

Main Methods:

  • A naturalistic virtual reality task where participants navigated using a joystick to catch targets.
  • Recording human eye movements and developing a neural network model incorporating oculomotor and frontoparietal circuits.
  • Comparing model performance against neural data from male monkeys' posterior parietal cortex.

Main Results:

  • Human participants tracked target positions with their gaze, even without optic flow, indicating embodied internal beliefs.
  • The developed neural network model, including oculomotor signals, better explained neural data than models focused solely on task performance.
  • Eye movements reflect an embodiment of dynamic internal beliefs about goal location during navigation.

Conclusions:

  • Eye movements are vital for working memory and evidence integration in navigation.
  • Oculomotor signals play a significant role in embodied cognition for navigation computations.
  • This research provides insights into the neural basis of adaptive behavioral strategies in dynamic environments.