ArticleCurrent biology : CB2007
Distinct mechanisms mediate visual detection and identification.
Article in Current biology : CB, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 63 citations in OpenAlex.
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- Increasing magnitude of color differences amplifies category effects.Scientific reports · 2024Article
- Color discrimination repetition distorts color representations.Scientific reports · 2024Article
- Equivalent noise characterization of human lightness constancy.Journal of vision · 2022Article
- Fluctuating environmental light limits number of surfaces visually recognizable by colour.Scientific reports · 2021Article
- Neuronal population mechanisms of lightness perception.Journal of neurophysiology · 2018Article
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- The Oriented Difference of Gaussians (ODOG) model of brightness perception: Overview and executable Mathematica notebooks.Behavior research methods · 2016Article
- Visual Adaptation.Annual review of vision science · 2015Article
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- What visual illusions tell us about underlying neural mechanisms and observer strategies for tackling the inverse problem of achromatic perception.Frontiers in human neuroscience · 2015Article
- A unified account of perceptual layering and surface appearance in terms of gamut relativity.PloS one · 2014Article
- The effect of background and illumination on color identification of real, 3D objects.Frontiers in psychology · 2013Article
- When is spatial filtering enough? Investigation of brightness and lightness perception in stimuli containing a visible illumination component.Vision research · 2012Article
- Lightness perception in high dynamic range images: local and remote luminance effects.Journal of vision · 2012Article
- The dynamic range of human lightness perception.Current biology : CB · 2011Article
- The human visual system's assumption that light comes from above is weak.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
Abstract
A core organizing principle for studies of the brain is that distinct neural pathways mediate distinct behavioral tasks [1, 2]. When two related tasks are mediated by a common pathway, studies of one are likely to generalize to the other. Here, we test whether performance on two laboratory tasks that model object detection and identification are mediated by common mechanisms of visual adaptation. Although both tasks rely on the luminance pattern in images, their demands on visual processing are quite different. Object detection requires discriminating image luminance differences associated with the light reflected from adjacent objects. To encode these differences reliably, neurons adapt their limited dynamic range to prevailing viewing conditions [3-6]. Object identification, on the other hand, demands a fixed response to light reflected from an object independent of illumination [7]. We compared performance in discrimination and identification tasks for simulated surfaces. In striking contrast to studies with less structured contexts, we found clear evidence that distinct processes mediate judgments in the two tasks. These results challenge models that account for perceived lightness entirely through the action of image-encoding mechanisms.
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