ArticleProceedings of the National Academy of Sciences of the United States of America2020
A source for awareness-dependent figure-ground segregation in human prefrontal cortex.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Article
- Robust neural decoding with low-density EEG.Scientific reports · 2026Article
- Article
- Neural dissociation of attention and working memory through inhibitory control.Nature communications · 2025Article
- Brain Representation in Conscious and Unconscious Vision.Journal of cognition · 2025Article
- Article
- Performance on stochastic figure-ground perception varies with individual differences in speech-in-noise recognition and working memory capacity.The Journal of the Acoustical Society of America · 2023Article
- Awareness-Dependent Normalization Framework of Visual Bottom-up Attention.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021Article
- In Memory of Leslie G. Ungerleider.Neuroscience bulletin · 2021Article
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Authors and funding
8 authors.
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Abstract
Figure-ground modulation, i.e., the enhancement of neuronal responses evoked by the figure relative to the background, has three complementary components: edge modulation (boundary detection), center modulation (region filling), and background modulation (background suppression). However, the neuronal mechanisms mediating these three modulations and how they depend on awareness remain unclear. For each modulation, we compared both the cueing effect produced in a Posner paradigm and fMRI blood oxygen-level dependent (BOLD) signal in primary visual cortex (V1) evoked by visible relative to invisible orientation-defined figures. We found that edge modulation was independent of awareness, whereas both center and background modulations were strongly modulated by awareness, with greater modulations in the visible than the invisible condition. Effective-connectivity analysis further showed that the awareness-dependent region-filling and background-suppression processes in V1 were not derived through intracortical interactions within V1, but rather by feedback from the frontal eye field (FEF) and dorsolateral prefrontal cortex (DLPFC), respectively. These results indicate a source for an awareness-dependent figure-ground segregation in human prefrontal cortex.
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