ArticleCurrent biology : CB2024
A neural mechanism for optic flow parsing in macaque visual cortex.
Article in Current biology : CB, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Flexible computation of object motion and depth based on viewing geometry inferred from optic flow.Nature communications · 2025Article
- Environmental motion presented ahead of self-motion modulates heading direction estimation.PLoS computational biology · 2025Article
- Seeing a Three-Dimensional World in Motion: How the Brain Computes Object Motion and Depth During Self-Motion.Annual review of vision science · 2025Review
- Flow parsing as causal source separation allows fast and parallel object and self-motion estimation.Communications biology · 2025Article
- Article
- Rewarding animals based on their subjective percepts is enabled by online Bayesian estimation of perceptual biases.PLoS biology · 2025Article
- Hierarchical motion perception as causal inference.Nature communications · 2025Article
- Causal inference predicts the transition from integration to segmentation in motion perception.Scientific reports · 2024Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
For the brain to compute object motion in the world during self-motion, it must discount the global patterns of image motion (optic flow) caused by self-motion. Optic flow parsing is a proposed visual mechanism for computing object motion in the world, and studies in both humans and monkeys have demonstrated perceptual biases consistent with the operation of a flow-parsing mechanism. However, the neural basis of flow parsing remains unknown. We demonstrate, at both the individual unit and population levels, that neural activity in macaque middle temporal (MT) area is biased by peripheral optic flow in a manner that can at least partially account for perceptual biases induced by flow parsing. These effects cannot be explained by conventional surround suppression mechanisms or choice-related activity and have substantial neural latency. Together, our findings establish the first neural basis for the computation of scene-relative object motion based on flow parsing.
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Registered trials
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