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What we evaluate, not just what we see, shapes pupil responses

Phys · · 409 words · By Toyohashi University
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What to know about What we evaluate, not just what we see, shapes pupil responses

A study published in the Journal of Vision examines how pupillary responses differ when participants evaluate the glossiness versus the attractiveness of everyday objects. The research indicates that these different types of evaluations are reflected in the timing of pupil constriction and dilation.

Propaganda risk 0%
Claims checked 11
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center86%
Right14%

7 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

What we evaluate, not just what we see, shapes pupil responses Swati Mestri Scientific Editor Andrew Zinin Chief Editor Our pupils become smaller under brighter conditions and larger under darker conditions.

Why it matters

In addition to responding to changes in light, pupil size is influenced by attention, emotion and how visual objects are perceived.

Common ground

Researchers previously reported that pupils constrict more when everyday objects are perceived as glossier.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

A study published in the Journal of Vision examines how pupillary responses differ when participants evaluate the glossiness versus the attractiveness of everyday objects. The research indicates that these different types of evaluations are reflected in the timing of pupil constriction and dilation.

open_in_new Read the original article: https://phys.org/news/2026-09-pupil-responses.html

analyticsAnalysis

0%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 11 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

info Single Source 6
check_circle Corroborated 3
schedule Pending 1
help Insufficient Evidence 1
info
Claim 1: “Twenty-four participants viewed images of 60 everyday objects and rated, on separate 7-point scales, how glossy and how attractive each object appeared.”
SINGLE SOURCE
One source confirms the use of 60 everyday objects and the measurement of pupil diameter for glossiness and attractiveness. While another source mentions 7-point Likert scales for attractiveness in a general psychology context, it is not explicitly linked to this specific study's methodology in the provided text.
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wikipedia NEUTRAL — A millisecond (from milli- and second; symbol: ms) is a unit of time in the International System of Units equal to one thousandth (0.001 or 10−3 or 1/1000) of a second or 1000 microseconds. A millisec…
https://en.wikipedia.org/wiki/Millisecond
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wikipedia NEUTRAL — The second (symbol: s) is a unit of time derived from the division of the day, first into 24 hours, then into 60 minutes, and lastly into 60 seconds, for a total of 24 × 60 × 60 = 86400 seconds per da…
https://en.wikipedia.org/wiki/Second
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wikipedia NEUTRAL — Sexagesimal, also known as base 60, is a numeral system with sixty as its base. It originated with the ancient Sumerians in the 3rd millennium BC, was passed down to the ancient Babylonians, and is st…
https://en.wikipedia.org/wiki/Sexagesimal
+ 3 more evidence sources
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Claim 2: “Researchers previously reported that pupils constrict more when everyday objects are perceived as glossier.”
CORROBORATED
Multiple sources confirm that perceived glossiness is linked to pupil constriction (smaller pupillary diameter), even when physical luminance is controlled.
travel_explore
web search NEUTRAL — But when we look at objects, we evaluate not only surface properties such as glossiness but also impressions such as attractiveness. The study investigated how these different evaluations are reflecte…
https://phys.org/news/2026-09-pupil-responses.html
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web search NEUTRAL — Associate Professor Hideki Tamura, who led the research team, commented, "Our results suggest that pupillary responses are influenced not only by the visual characteristics of the objects themselves, …
https://www.news-medical.net/news/20260925/Pupillary-respons…
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web search NEUTRAL — cognitive factor derived from the glossiness perception of object surfaces affects pupillary response. We investigated the relationship between glossiness perception and pupillary response through a g…
https://www.researchgate.net/publication/359984744_Glossines…
info
Claim 3: “Hideki Tamura, an associate professor at Toyohashi University of Technology who led the research team.”
SINGLE SOURCE
One source identifies Associate Professor Hideki Tamura as the leader of the research team for the study on pupillary responses to glossiness and attractiveness.
info
Claim 4: “Our pupils become smaller under brighter conditions and larger under darker conditions.”
SINGLE SOURCE
The provided evidence for this claim consists of travel destination articles for 2026 and contains no information regarding pupil size or biological responses to light.
travel_explore
web search NEUTRAL — Jul 19, 2026 · Explore unforgettable summer vacation ideas, from European river cruises to Caribbean escapes, with expert-recommended destinations and tips.
https://www.travelandleisure.com/trip-ideas/summer-vacations…
travel_explore
web search NEUTRAL — Mar 6, 2026 · Discover unforgettable summer vacation ideas. Explore hidden gems, family-friendly spots, and adventurous escapes for your perfect getaway.
https://www.going.com/guides/summer-vacation-ideas;_ylt=A2RS…
travel_explore
web search NEUTRAL — Feb 12, 2025 · Here are the best summer holiday destinations in the world like Switzerland, Bali, & more which always top the charts with their pleasant climate.
https://traveltriangle.com/blog/best-summer-holiday-destinat…
schedule
Claim 5: “Hideki Tamura et al, Task-dependent pupillary responses to glossiness and attractiveness judgments, Journal of Vision (2026). DOI: 10.1167/jov.26.9.1”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
check_circle
Claim 6: “When participants judged glossiness, higher ratings were associated with greater pupil constriction approximately 1 second after an image appeared.”
CORROBORATED
Two sources explicitly state that higher glossiness ratings are associated with greater pupil constriction approximately 1 second after an image appears.
travel_explore
web search NEUTRAL — When participants judged glossiness, higher ratings were associated with greater pupil constriction approximately 1 second after an image appeared.
https://phys.org/news/2026-09-pupil-responses.html
travel_explore
web search NEUTRAL — Human pupillary responses are influenced not only by low-level visual properties but also by cognitive and affective factors related to task demands. However, the temporal dynamics of how different ev…
https://www.biorxiv.org/content/10.1101/2025.11.05.686874v1/
travel_explore
web search NEUTRAL — Even if the physical luminance is the same, a higher glossiness is linked to a smaller pupillary diameter.This investigation revealed that, after adjusting for uniform physical luminance levels among …
https://www.tut.ac.jp/english/news/22246.html
info
Claim 7: “When they judged attractiveness, higher ratings tended to be associated with greater pupil dilation later.”
SINGLE SOURCE
The provided evidence for this claim consists of travel guides for France and contains no information regarding attractiveness ratings or pupil dilation.
travel_explore
web search NEUTRAL — Find out what's on in France in October from national events and holidays to quirky festivals - with dates, details and websites.
https://thegoodlifefrance.com/whats-on-in-france-in-october/
travel_explore
web search NEUTRAL — What's on in France Autumn 2024 - events, anniversaries, celebrations and upcoming - get the skinny on what to do for your autumn visits.
https://thegoodlifefrance.com/whats-on-in-france-autumn-2024…
travel_explore
web search NEUTRAL — Oct 3, 2024 · The October half-term holidays in France this year take place from the 19th of October until the 3rd of November 2024 in our region. During this period, tourist offices often hold craft …
https://www.frenchentree.com/living-in-france/what-happens-i…
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Claim 8: “pupil size is influenced by attention, emotion and how visual objects are perceived.”
CORROBORATED
Multiple independent sources confirm that pupil size is influenced by attention, emotion, and cognitive processing. Mapping Ignorance mentions attention and emotion, and Frontiers discusses emotion recognition and cognitive effort.
travel_explore
web search NEUTRAL — Scientists have long studied the size of our pupils to understand attention, emotion and even medical conditions. But now, new research has surprisingly revealed that they change size in sync with our…
https://mappingignorance.org/2025/02/26/your-pupils-change-s…
travel_explore
web search NEUTRAL — This has led to the widespread use of pupil size as a peripheral measure of cortical processing in psychology and neuroscience. However, the function of cortical control over the pupil remains poorly …
https://experts.umn.edu/en/publications/both-a-gauge-and-a-f…
travel_explore
web search NEUTRAL — Additionally, averted gaze elicited greater pupil size overall compared to direct gaze, underscoring the role of gaze direction in modulating perceptual and cognitive effort during emotion recognition…
https://www.frontiersin.org/journals/psychology/articles/10.…
info
Claim 9: “Each image was presented for 3 seconds while pupil diameter was recorded.”
SINGLE SOURCE
The provided evidence for this claim consists of irrelevant and inappropriate search results (spam/adult content) and contains no information about the study's timing or pupil recording.
travel_explore
web search NEUTRAL — Bokep Bocil Pedofil Stock Photos And Images Page of 100 Asian family smiling with happiness walking outdoor in sunrise well being freedom concept
https://www.123rf.com/stock-photo/bokep_bocil_pedofil.html
travel_explore
web search NEUTRAL — 1 day ago · Konten video bocil Cindo berseragam lengkap memperlihatkan keseharian bocil sekolah dengan tampilan rapi dan aktivitas positif. Video-video viral seperti ini kerap kali hanyalah jebakan cl…
https://nbkomputer.com/bokep-smp-bocil-pertama-kali-ngewe-sa…
travel_explore
web search NEUTRAL — Fenomena video Link 2 vs 3 bocil yang viral di media sosial memang menarik perhatian banyak orang karena kelucuan dan keakraban yang ditunjukkan oleh bocah-bocah dalam video tersebut. Namun, di balik …
https://joss.co.id/2025/02/link-2-vs-3-bocil-8-menit-viral-d…
info
Claim 10: “The study was published Sept. 1, 2026, in the Journal of Vision.”
SINGLE SOURCE
One web search result explicitly mentions the study 'Task-dependent pupillary responses to glossiness and attractiveness judgments' in the Journal of Vision (2026). Other results are irrelevant (WandaVision, MDPI list).
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wikipedia NEUTRAL — Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer, smartphone or other display device for protracted, uninterrupted periods of time and the eye's muscles bei…
https://en.wikipedia.org/wiki/Computer_vision_syndrome
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wikipedia NEUTRAL — This is a list of academic journals published by MDPI. As of September 2022, MDPI publishes 399 peer-reviewed academic journals and nine conference journals.
https://en.wikipedia.org/wiki/List_of_MDPI_academic_journals
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wikipedia NEUTRAL — WandaVision is an American television miniseries created by Jac Schaeffer for the streaming service Disney+, based on Marvel Comics featuring the characters Wanda Maximoff / Scarlet Witch and Vision. …
https://en.wikipedia.org/wiki/WandaVision
+ 3 more evidence sources
help
Claim 11: “The researchers also analyzed the timing of the pupil responses using temporal principal component analysis and generalized additive models.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results regarding the use of temporal principal component analysis or generalized additive models.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.