Evidence map›Paper›PMID 33202253›Full record

ArticleCurrent biology : CB2021

Color Space Geometry Uncovered with Magnetoencephalography.

Isabelle A Rosenthal, Shridhar R Singh, Katherine L Hermann, Dimitrios Pantazis, Bevil R Conway

Erratum issuedAbstract read
In one paragraph

Article in Current biology : CB, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed.

  1. Cognition does not automatically influence perception: Evidence from neural encoding of colors belonging to different categories.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  2. Article
  3. The representation of object concepts across the brain.bioRxiv : the preprint server for biology · 2025
    Article
  4. Article
  5. Visual search for warm and cool colors.Journal of the Optical Society of America. A, Optics, image science, and vision · 2025
    Article
  6. Article
  7. Article
  8. Color and Spatial Frequency Provide Functional Signatures of Retinotopic Visual Areas.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
    Article
  9. The origin of color categories.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Isabelle A RosenthalLaboratory of Sensorimotor Research, National Eye Institute, Building 49, NIH Main Campus, Bethesda, MD 20892, USA.
Shridhar R SinghLaboratory of Sensorimotor Research, National Eye Institute, Building 49, NIH Main Campus, Bethesda, MD 20892, USA.
Katherine L HermannLaboratory of Sensorimotor Research, National Eye Institute, Building 49, NIH Main Campus, Bethesda, MD 20892, USA.
Dimitrios PantazisMcGovern Institute for Brain Research, Massachusetts Institute of Technology, 524 Main Street, Cambridge, MA 02139, USA.
Bevil R ConwayLaboratory of Sensorimotor Research, National Eye Institute, Building 49, NIH Main Campus, Bethesda, MD 20892, USA; National Institute of Mental Health, Bethesda, MD 20892, USA. Electronic address: bevil@nih.gov.

Funding

Using Color as a Model System for studying Perception, Thoughts, and ActionZIAEY000558 · NEI · NATIONAL EYE INSTITUTE · PI CONWAY, BEVIL · 2017 to 2025
$24.9M
Neural mechanisms of colorR01EY023322 · NEI · WELLESLEY COLLEGE · PI JAZAYERI, MEHRDAD · 2013 to 2017
$1.9M
Intramural NIH HHS Z99 EY999999Intramural NIH HHS ZIA EY000558NEI NIH HHS R01 EY023322
6 · The paper itself

Abstract

The geometry that describes the relationship among colors, and the neural mechanisms that support color vision, are unsettled. Here, we use multivariate analyses of measurements of brain activity obtained with magnetoencephalography to reverse-engineer a geometry of the neural representation of color space. The analyses depend upon determining similarity relationships among the spatial patterns of neural responses to different colors and assessing how these relationships change in time. We evaluate the approach by relating the results to universal patterns in color naming. Two prominent patterns of color naming could be accounted for by the decoding results: the greater precision in naming warm colors compared to cool colors evident by an interaction of hue and lightness, and the preeminence among colors of reddish hues. Additional experiments showed that classifiers trained on responses to color words could decode color from data obtained using colored stimuli, but only at relatively long delays after stimulus onset. These results provide evidence that perceptual representations can give rise to semantic representations, but not the reverse. Taken together, the results uncover a dynamic geometry that provides neural correlates for color appearance and generates new hypotheses about the structure of color space.

Indexed as

Color VisionMagnetoencephalographyColorColor PerceptionSemanticsbasic color categoriescolor decodingcolor processingcross-temporal generalizationEEGelectroencephalographyMDSmind readingmultidimensional scalingrepresentational similarity analysisRSASapir-Whorf hypothesisscalp recordingsemantic representations

Identifiers

PMID33202253
PMCPMC7878424

What OpenQuestion holds

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Registered trials

None linked

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.