ArticleiScience2025
Superior colliculus peri-saccadic field potentials are dominated by a visual sensory preference for the upper visual field.
Article in iScience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Much higher covariation with foveation timing by superior colliculus than primary visual cortical neuronal activity.iScience · 2026Article
- Physiological correlates of a simple saccadic-decision task to extended objects in superior colliculus.iScience · 2025Article
- Dissociate triggering of conjunctive and disjunctive eye movements.Scientific reports · 2025Article
- Foveal neurons of the monkey superior colliculus signal trans-saccadic prediction errors.PLoS biology · 2025Article
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1 author.
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Abstract
The primate superior colliculus (SC) plays important sensory, cognitive, and motor processing roles. Among its properties, the SC has clear visual field asymmetries: visual responses are stronger in the upper visual field representation, whereas saccade-related motor bursts are weaker. Here, I asked whether peri-saccadic SC network activity can still reflect the SC's visual sensitivity asymmetry, thus supporting recent evidence of sensory-related signals embedded within the SC's motor bursts. I analyzed collicular peri-saccadic local field potential (LFP) modulations and found them to be much stronger in the upper visual field, despite the weaker motor bursts. This effect persisted even with saccades toward a blank, suggesting an importance of visual field location. I also found that engaging working memory during saccade preparation differentially modulated the SC's LFP's, again with a dichotomous upper/lower visual field asymmetry. I conclude that the SC network possesses a clear sensory signal at the time of saccade generation.
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