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Updated: Feb 13, 2026
07:24
Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
Published on: August 22, 2025
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Cortical and subcortical responses to biological motion
Dorita H F Chang1, Hiroshi Ban2, Yuji Ikegaya3
1Department of Psychology, The University of Hong Kong, Hong Kong.
Neuroimage
|March 11, 2018
Summary
This study reveals that the brain
Area of Science:
- Neuroscience
- Cognitive Science
- Visual Perception
Background:
- Biological motion perception involves recognizing actions from moving human figures.
- Previous research implicated cortical areas like the posterior superior temporal sulcus (pSTS) and inferior frontal gyrus (IFG).
Purpose of the Study:
- To investigate the neural representations of articulated body shape and local kinematics in biological motion.
- To determine if subcortical structures are involved in processing biological motion.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was employed.
- Multivariate analyses were used to examine brain activity patterns.
Main Results:
- A cortical network including pSTS, IFG, and ventral body areas showed sensitivity to biological motion.
- The ventral lateral nucleus (VLN), a thalamic area, also responded to both form and kinematic information in biological motion.
- This suggests earlier visual system involvement than previously thought.
Conclusions:
- Biological motion perception is not solely reliant on segregated cortical networks.
- Subcortical structures, including the thalamus, play an early role in processing biological motion.
- This challenges traditional models of segregated visual processing for form and motion.
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