ArticleCommunications biology2026
Drifting population dynamics with transient resets characterize sensorimotor transformation in the monkey superior colliculus.
Article in Communications biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Distinct neural geometries for target position and velocity in the primate superior colliculus.bioRxiv : the preprint server for biology · 2026Article
- Superior colliculus peri-saccadic field potentials are dominated by a visual sensory preference for the upper visual field.iScience · 2025Article
- Distinct context- and content-dependent population codes in superior colliculus during sensation and action.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
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Abstract
Sensorimotor transformation, the process of converting sensory input signals into a movement command, is essential for mediating goal-directed movements. Neural correlates of sensorimotor transformation were assessed in the delay period activity of superior colliculus (SC) neurons recorded simultaneously in three male monkeys generating saccades to visual targets. We applied dimensionality reduction on the SC population response and used a proximity index to quantify the relative, probabilistic closeness of the evolving delay period activity to the visual- and motor-dominant subspaces associated with the sensation and action states. Here, we show that sensorimotor transformation is achieved through a drift in population activity from a visual-like to a motor-like representation during the delay period, with transient visual resets following microsaccades. Also, the proximity index was correlated to reaction time throughout the delay period, suggesting a similar movement preparation mechanism is conserved across the skeletomotor and oculomotor systems.
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