Evidence map›Paper›PMID 34524881›Full record

ReviewAnnual review of vision science2021

The Certainty of Ambiguity in Visual Neural Representations.

Jan W Brascamp, Steven K Shevell

Abstract readReview
In one paragraph

Review in Annual review of vision science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing 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

10 citing papers in PubMed.

  1. Determinants of visual ambiguity resolution.Communications psychology · 2026
    Article
  2. Afterimages drive a shared visual motion-reversal illusion inbioRxiv : the preprint server for biology · 2026
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Jan W BrascampDepartment of Psychology and Neuroscience Program, Michigan State University, East Lansing, Michigan 48824, USA; email: brascamp@msu.edu.
Steven K ShevellDepartments of Psychology and Ophthalmology & Visual Science and Institute for Mind & Biology, University of Chicago, Chicago, Illinois 60637, USA; email: shevell@uchicago.edu.

Funding

Resolution of chromatic ambiguity in mid-level visionR01EY026618 · NEI · UNIVERSITY OF CHICAGO · PI SHEVELL, STEVEN K · 2016 to 2018
$1.2M
NEI NIH HHS R01 EY026618
6 · The paper itself

Abstract

Some images evoke bistable percepts: two different visual experiences seen in alternation while continuously viewing an unchanged stimulus. The Necker Cube and Rubin's Vase are classic examples, each of which gives alternating percepts of different shapes. Other bistable percepts are alternating colors or directions of motion. Although stimuli that result in salient bistability are rare and sometimes cleverly constructed to emphasize ambiguity, they have been influential for over 150 years, since the work of von Helmholtz, who considered them to be evidence for perceptual visual processes that interpret retinal stimuli. While bistability in natural viewing is uncommon, the main point of this review is that implicit ambiguity in visual neural representations is pervasive. Resolving ambiguity, therefore, is a fundamental and ubiquitous process of vision that routinely affects what we see, not an oddity arising from cleverly crafted images. This review focuses on the causes of widespread ambiguity, historical perspectives on it, and modern knowledge and theory about resolving it.

Indexed as

Photic Stimulationambiguitybistable perceptioncontextual influencesunconscious inferencevisual perception

Identifiers

PMID34524881
PMCPMC8687672

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

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.