ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2020
Visual Stimulus Content in V4 Is Conveyed by Gamma-Rhythmic Information Packages.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Effects of Sleep Deprivation and Neuromodulatory Interventions on Olfactory-Related Brain Function.Brain topography · 2026Trial
- Article
- Gamma-band synchronization between neurons in the visual cortex is causal for effective information processing and behavior.Nature communications · 2025Article
- Three distinct gamma oscillatory networks within cortical columns in macaque monkeys' area V1.Frontiers in neural circuits · 2024Article
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Authors and funding
4 authors.
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Abstract
Selective visual attention allows the brain to focus on behaviorally relevant information while ignoring irrelevant signals. As a possible mechanism, routing-by-synchronization was proposed: neural populations receiving attended signals align their gamma-rhythmic activity to that of the sending populations, such that incoming spikes arrive at excitability peaks of receiving populations, enhancing signal transfer. Conversely, non-attended signals arrive unaligned to the receiver's oscillation, reducing signal transfer. Therefore, visual signals should be transferred through gamma-rhythmic bursts of information, resulting in a modulation of the stimulus content within the receiving population's activity by its gamma phase and amplitude. To test this prediction, we quantified gamma-phase-dependent stimulus content within neural activity from area V4 of two male macaques performing a visual attention task. For the attended stimulus, we find highest stimulus information content near excitability peaks, an effect that increases with oscillation amplitude, establishing a functional link between selective processing and gamma-activity.
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Registered trials
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