ArticleScientific reports2022
Investigating the role of the foveal cortex in peripheral object discrimination.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 14 citations in OpenAlex.
- The rhythm of sensory input shapes audio-visual temporal processing.British journal of psychology (London, England : 1953) · 2026Article
- The similarity with a face presented in central vision improves face recognition in peripheral vision.Perception · 2025Article
- On the relationship between foveal mask interference and mental imagery in peripheral object recognition.Proceedings. Biological sciences · 2024Article
- Frequency-specific and periodic masking of peripheral characters by delayed foveal input.Scientific reports · 2024Article
- The Role of Uniform Textures in Making Texture Elements Visible in the Visual Periphery.Open mind : discoveries in cognitive science · 2024Article
- The Role of Foveal Cortex in Discriminating Peripheral Stimuli: The Sketchpad Hypothesis.NeuroSci · 2023Review
- Foveal feedback in perceptual processing: Contamination of neural representations and task difficulty effects.PloS one · 2023Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Peripheral object discrimination is hindered by a central dynamic mask presented between 150 and 300 ms after stimulus onset. The mask is thought to interfere with task-relevant feedback coming from higher visual areas to the foveal cortex in V1. Fan et al. (2016) supported this hypothesis by showing that the effect of mask can be further delayed if the task requires mental manipulation of the peripheral target. The main purpose of this study was to better characterize the temporal dynamics of foveal feedback. Specifically, in two experiments we have shown that (1) the effect of foveal noise mask is sufficiently robust to be replicated in an online data collection (2) in addition to a change in sensitivity the mask affects also the criterion, which becomes more conservative; (3) the expected dipper function for sensitivity approximates a quartic with a global minimum at 94 ms, while the best fit for criterion is a quintic with a global maximum at 174 ms; (4) the power spectrum analysis of perceptual oscillations in sensitivity data shows a cyclic effect of mask at 3 and 12 Hz. Overall, our results show that foveal noise affects sensitivity in a cyclic manner, with a global dip emerging earlier than previously found. The noise also affects the response bias, even though with a different temporal profile. We, therefore, suggest that foveal noise acts on two distinct feedback mechanisms, a faster perceptual feedback followed by a slower cognitive feedback.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.