ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2014
Contributions of magno- and parvocellular channels to conscious and non-conscious vision.
Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed.
- Five energy metabolism pathways show distinct regional distributions and lifespan trajectories in the human brain.PLoS biology · 2026Article
- Understanding and simulating border ownership centered segmentation.Scientific reports · 2025Article
- Selective Effects of Ongoing Alpha-Band Activity on Magno- and Parvo-Mediated Detection.Psychophysiology · 2025Article
- Metacognition in putative magno- and parvocellular vision.Neuroscience of consciousness · 2025Article
- Perceptual Functioning.Current topics in behavioral neurosciences · 2023Article
- Article
- High spatial frequencies disrupt conscious visual recognition: evidence from an attentional blink paradigm.Heliyon · 2022Article
- Visual Field Test With Gaze Check Tasks: Application in a Homonymous Hemianopic Patient Unaware of the Visual Defects.Frontiers in neurology · 2021Article
- The perceived present: What is it, and what is it there for?Psychonomic bulletin & review · 2020Review
- Rapid Recovery From Cortical Blindness Caused by an Old Cerebral Infarction.Frontiers in neurology · 2020Article
- Autism Pathogenesis: The Superior Colliculus.Frontiers in neuroscience · 2018Article
- Separate requirements for detection and perceptual stability of motion in interocular suppression.Scientific reports · 2017Article
- Perceptual awareness and its neural basis: bridging experimental and theoretical paradigms.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2014Article
- The magnocellular system versus the dorsal stream.Frontiers in human neuroscience · 2014Article
- Probing feedforward and feedback contributions to awareness with visual masking and transcranial magnetic stimulation.Frontiers in psychology · 2014Review
- Article
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Abstract
The dorsal and ventral cortical pathways, driven predominantly by magnocellular (M) and parvocellular (P) inputs, respectively, assume leading roles in models of visual information processing. Although in prior proposals, the dorsal and ventral pathways support non-conscious and conscious vision, respectively, recent modelling and empirical developments indicate that each pathway plays important roles in both non-conscious and conscious vision. In these models, the ventral P-pathway consists of one subpathway processing an object's contour features, e.g. curvature, the other processing its surface attributes, e.g. colour. Masked priming studies have shown that feed-forward activity in the ventral P-pathway on its own supports non-conscious processing of contour and surface features. The dorsal M-pathway activity contributes directly to conscious vision of motion and indirectly to object vision by projecting to prefrontal cortex, which in turn injects top-down neural activity into the ventral P-pathway and there 'ignites' feed-forward-re-entrant loops deemed necessary for conscious vision. Moreover, an object's shape or contour remains invisible without the prior conscious registration of its surface properties, which for that reason are taken to comprise fundamental visual qualia. Besides suggesting avenues for future research, these developments bear on several recent and past philosophical issues.
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