ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2021
Covert Attention Increases the Gain of Stimulus-Evoked Population Codes.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Frequency-dependent modulation of foveal contrast sensitivity by fine-scale exogenously triggered attention.eLife · 2026Article
- Past and present goals are represented concurrently during visual search.PLoS biology · 2026Article
- Spatial attention selectively alters visual cortical representation during target anticipation.Nature communications · 2025Article
- Frequency-selective contrast sensitivity modulation driven by fine-tuned exogenous attention at the foveal scale.bioRxiv : the preprint server for biology · 2025Article
- Conflicting Sensory Information Sharpens the Neural Representations of Early Selective Visuospatial Attention.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Task-related modulation of event-related potentials does not reflect changes to sensory representations.Imaging neuroscience (Cambridge, Mass.) · 2024Article
- Dissociable Neural Mechanisms Underlie the Effects of Attention on Visual Appearance and Response Bias.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Article
- Dynamic neural reconstructions of attended object location and features using EEG.Journal of neurophysiology · 2023Article
- Perceptual Difficulty Regulates Attentional Gain Modulations in Human Visual Cortex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Suppression of top-down influence decreases both behavioral and V1 neuronal response sensitivity to stimulus orientations in cats.Frontiers in behavioral neuroscience · 2023Article
- Effects of top-down influence suppression on behavioral and V1 neuronal contrast sensitivity functions in cats.iScience · 2022Article
- Spatial and Feature-selective Attention Have Distinct, Interacting Effects on Population-level Tuning.Journal of cognitive neuroscience · 2022Article
- Suppression of top-down influence decreases neuronal excitability and contrast sensitivity in the V1 cortex of cat.Scientific reports · 2021Article
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4 authors.
Funding
Abstract
Covert spatial attention has a variety of effects on the responses of individual neurons. However, relatively little is known about the net effect of these changes on sensory population codes, even though perception ultimately depends on population activity. Here, we measured the EEG in human observers (male and female), and isolated stimulus-evoked activity that was phase-locked to the onset of attended and ignored visual stimuli. Using an encoding model, we reconstructed spatially selective population tuning functions from the pattern of stimulus-evoked activity across the scalp. Our EEG-based approach allowed us to measure very early visually evoked responses occurring ∼100 ms after stimulus onset. In Experiment 1, we found that covert attention increased the amplitude of spatially tuned population responses at this early stage of sensory processing. In Experiment 2, we parametrically varied stimulus contrast to test how this effect scaled with stimulus contrast. We found that the effect of attention on the amplitude of spatially tuned responses increased with stimulus contrast, and was well described by an increase in response gain (i.e., a multiplicative scaling of the population response). Together, our results show that attention increases the gain of spatial population codes during the first wave of visual processing.
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