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Related Experiment Video

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Studying the Neural Basis of Adaptive Locomotor Behavior in Insects

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How Visual Context Influences Lateral Stepping Regulation While Walking on Winding Paths.

Anna C Render¹, Tarkeshwar Singh¹, Joseph P Cusumano²

¹Department of Kinesiology, The Pennsylvania State University, University Park, PA, United States.

Journal of Neurophysiology

|July 7, 2026

Summary

Walking control uses both task context and visual cues. Environmental richness and path contrast influence foot placement, showing how visual salience and context interact for navigation.

Keywords:

Embodied Decision-Making Goal-Directed Walking Lateral Stepping Visual Perception

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Studying the Neural Basis of Adaptive Locomotor Behavior in Insects

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Area of Science:

Neuroscience
Biomechanics
Human Movement Science

Background:

Goal-directed walking necessitates precise foot placement, relying on visuomotor integration.
Navigation is guided by perceptual, cognitive, and contextual salience, influencing attention and motor planning.

Purpose of the Study:

To quantify how perceptual salience influences lateral foot placement during walking.
To investigate the interplay between contextual and perceptual salience in guiding step-to-step control.

Main Methods:

Participants walked virtual paths (straight/winding) with manipulated environmental richness (rich/sparse) and path contrast (high/low).
Head pitch angle approximated gaze direction; lateral stepping was analyzed using the Goal Equivalent Manifold framework.

Main Results:

Contextual salience (path type) significantly influenced stepping, but visual information (perceptual salience) also modulated foot placement within paths.
Path color contrast had a greater effect on stepping than environmental richness, indicating its importance.
Peripheral vision contributed to stepping, though less than path saliency or contextual salience.

Conclusions:

Both contextual and perceptual salience are crucial for controlling foot placement during walking.
Visual information, including peripheral cues and path characteristics, interacts with task context to guide navigation.