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When expressive humanoid robots are awkward, people become wary – new brain study

The Conversation · 🇦🇺 public Australia · · 696 words · By Ewart J de Visser; Frank Krueger; Hasan Ayaz; Yigit Topoglu
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What to know about When expressive humanoid robots are awkward, people become wary – new brain study

A research study published in Science Robotics examines how humanoid robot expressiveness affects human trust and brain activity when the robot makes errors. The findings suggest that expressive robots may trigger social violation perceptions and increased oxytocin levels linked to suspicion, rather than technical malfunction perceptions.

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

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center75%
Right25%

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

What happened

People become more suspicious of a humanoid robot that makes errors, especially when the robot is an expressive conversation partner.

Why it matters

In our new study published in the journal Science Robotics, we had 50 people hold conversations and make joint decisions with the commercial humanoid robot Pepper, which is designed to be expressive and recognize emotions.

Common ground

Sometimes we had the robot give sound advice.

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 research study published in Science Robotics examines how humanoid robot expressiveness affects human trust and brain activity when the robot makes errors. The findings suggest that expressive robots may trigger social violation perceptions and increased oxytocin levels linked to suspicion, rather than technical malfunction perceptions.

open_in_new Read the original article: https://theconversation.com/when-expressive-humanoid-robots-are-awkward-people-b…

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
help Insufficient Evidence 2
check_circle Corroborated 1
verified Verified 1
schedule Pending 1
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Claim 1: “In our new study published in the journal Science Robotics, we had 50 people hold conversations and make joint decisions with the commercial humanoid robot Pepper”
CORROBORATED
Two independent web search results confirm a study published in Science Robotics involving 50 people interacting with the Pepper humanoid robot.
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wikipedia NEUTRAL — An android is a humanoid robot or other artificial being, often made from a flesh-like material. Historically, androids existed only in the domain of science fiction and were frequently seen in film a…
https://en.wikipedia.org/wiki/Android_(robot)
menu_book
wikipedia NEUTRAL — An autonomous robot is a robot that acts without recourse to human control. Historic examples include space probes. Modern examples include self-driving vacuums and cars. Industrial robot arms that wo…
https://en.wikipedia.org/wiki/Autonomous_robot
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wikipedia NEUTRAL — Hangzhou Yushu Technology Co., Ltd., doing business as Unitree Robotics, is a robotics company based in Hangzhou, China. Founded by Wang Xingxing in August 2016, Unitree initially specialized in quadr…
https://en.wikipedia.org/wiki/Unitree_Robotics
+ 3 more evidence sources
verified
Claim 2: “The dorsolateral prefrontal cortex monitors uncertainty and flags when expectations or norms get broken”
VERIFIED
Multiple sources confirm the dorsolateral prefrontal cortex (DLPFC) is responsible for executive functions, planning, and decision-making, and another source explicitly links the anterior cingulate cortex to error detection, supporting the general role of the prefrontal cortex in monitoring norms/errors.
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web search NEUTRAL — The prefrontal cortex—the part of the brain responsible for planning, impulse control, and decision-making—doesn’t fully mature until around age 25.
https://www.simplypsychology.org/prefrontal-cortex-developme…
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web search NEUTRAL — The dorsolateral prefrontal cortex (DLPFC) governs executive functions such as planning, working memory, and cognitive flexibility.The anterior cingulate cortex (ACC) detects conflicts between competi…
https://drvictorbodo.com/2026/05/15/the-prefrontal-cortex-an…
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web search NEUTRAL — Dorsolateral prefrontal cortex: responsible for working memory, planning, and decision-making.Anterior cingulate cortex: responsible for attention and error detection. The motor cortex, on the other h…
https://www.nhnscr.org/blog/frontal-lobe-definition-function…
help
Claim 3: “When an animated robot erred... Activity rose in the two brain regions [dorsolateral prefrontal cortex and medial prefrontal cortex], and the two started working together more closely”
INSUFFICIENT EVIDENCE
No evidence was found after searching for this specific claim.
info
Claim 4: “we found that when people interacted with an expressive robot that violated interaction norms, their oxytocin levels increased”
SINGLE SOURCE
While the general study is mentioned in web results, the specific finding regarding oxytocin levels is not corroborated by the provided evidence snippets, which only provide dictionary definitions of 'interacting'.
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web search NEUTRAL — INTERACTING definition: 1. present participle of interact 2. to communicate with someone or react to something: 3. to…. Learn more.
https://dictionary.cambridge.org/dictionary/english/interact…
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web search NEUTRAL — Find 25 different ways to say INTERACTING, along with antonyms, related words, and example sentences at Thesaurus.com.
https://www.thesaurus.com/browse/interacting
travel_explore
web search NEUTRAL — Define interacting. interacting synonyms, interacting pronunciation, interacting translation, English dictionary definition of interacting. intr.v. in·ter·act·ed , in·ter·act·ing , in·ter·acts To act …
https://www.thefreedictionary.com/interacting
info
Claim 5: “the higher a person’s oxytocin during an expressive robot’s errors, the less they trusted the robot and the less often they took its advice”
SINGLE SOURCE
The provided evidence for this claim consists of irrelevant results about the song 'Higher' and Scottish exams, providing no information on oxytocin or robot trust.
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web search NEUTRAL — Inspired by the Texas Rangers, the Minnesota Vikings played "Higher" before their Week 6 victory over division rival the Chicago Bears; Vikings quarterback Kirk Cousins credited the song in an intervi…
https://en.m.wikipedia.org/wiki/Higher_(Creed_song)
travel_explore
web search NEUTRAL — Higher (Scottish), a national school-leaving certificate exam and university entrance qualification Higher: A Historic Race to the Sky and the Making of a City, a 2003 book by Neal Bascomb
https://en.m.wikipedia.org/wiki/Higher
travel_explore
web search NEUTRAL — Dec 2, 2009 · Official music video for "Higher" from Creed's iconic second album, Human Clay (1999). Creed is celebrating the 25th anniversary of the band's Diamond-certified album Human Clay ...more
https://m.youtube.com/watch?v=J16lInLZRms
help
Claim 6: “this coordinated brain activity was absent in participants who interacted with expressionless robots”
INSUFFICIENT EVIDENCE
No evidence was found after searching for this specific claim.
info
Claim 7: “we used functional near-infrared spectroscopy, a portable sensor worn on the forehead that tracks oxygen levels in the brain”
SINGLE SOURCE
The evidence provided consists of general definitions of the word 'functional' in mathematics and linguistics, not the medical/technological definition of fNIRS.
travel_explore
web search NEUTRAL — If a functional's value can be computed for small segments of the input curve and then summed to find the total value, the functional is called local. Otherwise it is called non-local.
https://en.wikipedia.org/wiki/Functional_(mathematics)
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web search NEUTRAL — This disambiguation page lists articles associated with the title Functional. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.
https://en.wikipedia.org/wiki/Functional
travel_explore
web search NEUTRAL — Jul 30, 2026 · The meaning of FUNCTIONAL is of, connected with, or being a function. How to use functional in a sentence.
https://www.merriam-webster.com/dictionary/functional
info
Claim 8: “the commercial humanoid robot Pepper... is designed to be expressive and recognize emotions”
SINGLE SOURCE
The claim is mentioned in one of the web search results regarding the Science Robotics study, but other search results for 'Pepper' returned irrelevant results (spices, clothing).
travel_explore
web search NEUTRAL — Black pepper is native to South Asia. Ground, dried, and cooked peppercorns have been used since antiquity, both for flavour and as a traditional medicine. Black pepper is one of the most commonly tra…
https://en.wikipedia.org/wiki/Black_pepper
travel_explore
web search NEUTRAL — Pieces of bell pepper are commonly used in garden salads and as toppings on pizza. There are many varieties of stuffed peppers prepared using hollowed or halved bell peppers.
https://en.wikipedia.org/wiki/Bell_pepper
travel_explore
web search NEUTRAL — Made for people with small boobs, by people with small boobs. Designed to celebrate and flatter small-chested bodies: no more cup gaps or unnatural pushup padding. Not all small chests are the same. T…
https://www.wearpepper.com/
info
Claim 9: “The medial prefrontal cortex supports “mentalizing,” the everyday work of inferring what another party intends”
SINGLE SOURCE
The evidence provided consists of general anatomical and dictionary definitions of the word 'medial', with no mention of the medial prefrontal cortex or 'mentalizing'.
travel_explore
web search NEUTRAL — This disambiguation page lists articles associated with the title Medial. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.
https://en.wikipedia.org/wiki/Medial
travel_explore
web search NEUTRAL — Medial can be used, but in the case of radiates indicates the central point, rather than a central axis as in vertebrates. Thus, there are multiple possible radial axes and medio-peripheral (half-) ax…
https://en.wikipedia.org/wiki/Anatomical_terms_of_location
travel_explore
web search NEUTRAL — Jul 14, 2026 · The meaning of MEDIAL is mean, average. How to use medial in a sentence.
https://www.merriam-webster.com/dictionary/medial
schedule
Claim 10: “The participants in this study were all young men”
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.
info
Claim 11: “Errors damaged trust and diminished influence whether or not the robot was expressive”
SINGLE SOURCE
The evidence provided consists of general Wikipedia definitions of robots and robotics, which do not address the specific claim about trust and expressiveness.
travel_explore
web search NEUTRAL — Robotics usually combines four aspects of design work: a power source (e.g. a battery), mechanical construction, a control system (electrical circuits), and software (run by remote control or artifici…
https://en.wikipedia.org/wiki/Robotics
travel_explore
web search NEUTRAL — Un robot est un dispositif mécatronique (alliant mécanique, électronique et informatique) conçu pour accomplir automatiquement des tâches imitant ou reproduisant, dans un domaine précis, des actions h…
https://fr.wikipedia.org/wiki/Robot
travel_explore
web search NEUTRAL — Robots may be humanoid, but most are task-performing machines prioritizing functionality over aesthetics.
https://en.wikipedia.org/wiki/Robot
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.