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Matteo Lisi

@mlisi.bsky.social
1.2K followers 947 following 90 posts

lecturer • research on human perception and decision-making • principled statistics • computational models • he/him • mlisi.xyz

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Reposted by Matteo Lisi
Daphné Rimsky Robert @rimskyrobert.bsky.social · 26/09/2026
🍯 Our new study with @clairesergent.bsky.social and @mlisi.bsky.social is out in @commspsychol.nature.com🐝 We investigated flexibility in conscious access (www.nature.com/articles/s44...), and showed you can be made retrospectively aware of a word's meaning in isolation from its case or location.
nature.com
Consciously detecting and recognizing a past visual word after its sensory trace is gone - Communications Psychology
This series of studies shows that conscious detection and recognition of a word can be triggered retrospectively, even after its visual features are masked. This suggests that conscious access may be ...
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Matteo Lisi @mlisi.bsky.social · 18/09/2026
Great paper Steve, congrats! One thing I was wondering: where would you place the dual-decision task (www.nature.com/articles/s41...) in the taxonomy in Fig. 1? To me it seems to sit quite naturally alongside confidence forced-choice and opt-out approaches. Interested to hear what you think.
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Reposted by Matteo Lisi
David Ho @davidho.bsky.social · 12/09/2026
I resigned from ExxonMobil today. I spent the last three years doing fossil fuel extraction research at both BP and ExxonMobil. Neither company is acting responsibly. They are racing to maximize extraction while the window to act closes, and gambling with our lives. More below.
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Matteo Lisi @mlisi.bsky.social · 10/09/2026
I think the distinction makes sense if you consider perception as inference. So regular perception is inference about world states, and interoception inference about internal states
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Quanta Magazine @quantamagazine.org · 31/07/2026
From this week’s Qualia column: “I’ll just say it: What the hell is going on with AI ‘reasoning’?” www.quantamagazine.org/is-ai-reason...
quantamagazine.org
Is AI Reasoning Right for the Wrong Reasons? | Quanta Magazine
The idea that artificial intelligence can “reason” is more intuitive than ever. But intuitions can be wrong, and the science is far from settled.
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Martin Modrák @modrakm.bsky.social · 17/07/2026
Multiverse analysis, abdication of responsibility and manufacturing of doubt: I have written on some downsides I see with multiverse analysis (which I like in principle): arxiv.org/abs/2607.14623 I was inspired/provoked to write it by @dingdingpeng.the100.ci (thanks!)
Abstract: I argue that multiverse analysis is highly suited to two undesirable uses: abdication of researcher's responsibility for their conclusion and manufacturing of doubt. A review of multiverse analyses published in 2025 provides tentative empirical support that abdication of responsibility is present in the literature and I mention anecdotal evidence that multiverse has been used for manufacturing of doubt about Covid-19 precautions. To mitigate negative effects if multiverse analysis becomes widely used I suggest the community adopts two conventions for evaluating multiverse analyzes: evaluating multiverses by the single worst universe they contain and considering large size of a multiverse as a sign of weakness rather than a praiseworthy achievement.
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Andreas Kirsch @blackhc.bsky.social · 14/07/2026
I work at Google DeepMind. This won't make me popular. But it's all public reporting: 2014: DeepMind reportedly sold to Google on conditions: no military use, independent oversight 2026: a Pentagon contract for "any lawful government purpose" Not one safeguard survived intact
Collage titled "Trust is not Governance — an essay from inside Google DeepMind, written in personal capacity." 

A 2014 memorandum, "Conditions of the Acquisition," lists: military applications of DeepMind technology banned; deployment decisions before an independent ethics board (as reported in Mallaby's The Infinity Machine). 

Red threads lead to a 2026 U.S. Department of Defense agreement for classified networks reading "any lawful government purpose," with safety settings and filters adjusted at the government's request and no contractor veto (reported terms, The Information, Apr. 2026). 

Below: a 2018 AI Principles strip ("no weapons, no surveillance") stamped DROPPED 2025, and a Project Mario 2016–2021 tag stamped ABANDONED.
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Matteo Lisi @mlisi.bsky.social · 07/07/2026
Opportunity to join a great team on our Leverhulme-funded project, where we'll apply cognitive science to antibiotic misuse and contribute to tackling antimicrobial resistance, one of the world's most pressing public health threats @rhulpsychology.bsky.social #PsychSciSky #academicsky 👇👇👇
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Matteo Lisi @mlisi.bsky.social · 17/06/2026
👏👏👏
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Matteo Lisi @mlisi.bsky.social · 11/06/2026
New paper out ! 📣 Across a careful and extensive set of experiments spearheaded by @rimskyrobert.bsky.social, we show that conscious access to a word’s meaning can occur *without* access to its appearance or low-level sensory features. #PsychSciSky #neuroskyence @rhulpsychology.bsky.social
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Stephan Lewandowsky @lewan.uk · 04/06/2026
🧵 Thread: Does the internet threaten democracy? I argue that it does in my latest piece in Science: doi.org/10.1126/scie... Here's the short version. 1/9 1/10
doi.org
The architecture of the internet creates risks for democracy
Will democracy survive the internet? Do we need to choose between Facebook’s surveillance capitalism or democracy? Layered lines of evidence can inform questions like these. When considered together, the evidence gives rise to a concerning picture, as summarized in a recent report for the European Commission that I co-led.
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Darren Dahly @statsepi.bsky.social · 03/06/2026
"Upon closer inspection of the DAG, we realized we shouldn't have bothered with this study..."
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Matteo Lisi @mlisi.bsky.social · 02/06/2026
It is a legit approach, e.g. search.r-project.org/CRAN/refmans...
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Matteo Lisi @mlisi.bsky.social · 29/05/2026
Thrilled to be involved in this Leverhulme-funded project. The grant will also support a postdoc position at @rhulpsychology.bsky.social to apply signal detection theory modelling to antibiotic-related medical judgements. Stay tuned if this sounds like your kind of research!
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Royal Holloway Psychology @rhulpsychology.bsky.social · 08/05/2026
Excited to announce the 2nd Graduate Summer School on Computational Decision Sciences (GSS-CDS) at RHUL! 📅 Sept 7–11, 2026 📍Stewart House, Central London Fee: £480 (includes lunch, breaks & events) Registration closes on June 15. center-decision-sciences.com/cds-graduate...
center-decision-sciences.com
CDS Graduate Summer School 2026
Program Registration Schedule Directions Home 7th – 11th September, 2026 The Center for Decision Sciences will host a Graduate Summer School during the second week of September, 2026 in Senat…
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Georgia Tomova @georgiatomova.bsky.social · 13/05/2026
Why we should rethink causal mediation, and what to do instead? Come to hear the answer from Vanessa Didelez at the next CIIG seminar! The seminar will be hybrid. If you are in London, come join us in person at UCL! Otherwise, you can join on Zoom as usual. Registration links in comment below.
Vanessa Didelez, 8th June 2026 3 to 4.30pm. Why we should rethink causal mediation and what to do instead
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Matteo Lisi @mlisi.bsky.social · 12/03/2026
I definitely have pretty marked color deficit (protanomaly), very noticeable when I compare my color judgments with my partner, yet I still got 0.006 ?
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Matteo Lisi @mlisi.bsky.social · 12/03/2026
Whoops forgot the relevant feeds #PsychSciSky #neuroskyence A comment on Piray’s recent paper on low statistical power in computational modelling studies: Are computational modelling studies severely underpowered? I don’t think the current analyses justify that conclusion Thread + commentary 👇
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Matteo Lisi @mlisi.bsky.social · 12/03/2026
Yes, that analysis is discussed in the commentary. My concern is about the claim that it corresponds to a meaningful “medium” effect size in the context of model comparison. I don’t think the analogy to Cohen’s benchmark is well justified here.
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Matteo Lisi @mlisi.bsky.social · 11/03/2026
Without explicit effect-size assumptions, power simulations are hard to interpret. And if those assumptions are poorly chosen, the resulting power estimates can be highly misleading. Commentary here: osf.io/preprints/ps...
osf.io
OSF
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Matteo Lisi @mlisi.bsky.social · 11/03/2026
My point is not that the studies reviewed by Piray are well powered — they may well be underpowered. The point is that power analysis always depends on assumptions about how strongly one model is favoured in the population, and those assumptions need to be explicit.
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Matteo Lisi @mlisi.bsky.social · 11/03/2026
I applied this to 3 studies from Piray’s review (selected only due to availability of empirical Dirichlet params in public materials). Power remained high under substantial attenuation, only dropped to the low levels estimated by Piray under 90% attenuation of the empirical population preferences
Chart showing that power is low (around 0.5) under Piray’s method, but remains above 0.9 when the empirically estimated population-level preference is attenuated by up to 50%.
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Matteo Lisi @mlisi.bsky.social · 11/03/2026
To illustrate this in this short commentary I propose an approach for sensitivity analysis: start from the empirical population model frequencies, then progressively attenuate them toward a uniform Dirichlet.
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Matteo Lisi @mlisi.bsky.social · 11/03/2026
This is an interesting paper on power in computational modelling, with several useful points. But I think the headline conclusion — that 60–80% of studies are underpowered — rests on a very specific effect-size assumption that is hard to justify and unlikely to be realistic in most cases. 1/5
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Matteo Lisi @mlisi.bsky.social · 09/03/2026
human-AI misalignment in the wild
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Matteo Lisi @mlisi.bsky.social · 10/02/2026
common knowledge among italians :) and in most cases, it’s better to drain the pasta even earlier than that and finish it in the pan with the sauce and some pasta water
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Matteo Lisi @mlisi.bsky.social · 15/01/2026
yes but the correlation really needs to be -1 for all lines to cross in precisely the same spot, which would indicate some issues with the model
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Matteo Lisi @mlisi.bsky.social · 15/01/2026
it can happen if don't have by-participant random slopes for the effect of `variable` and the fixed-effect coefficient is ≈ -1
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Eiko Fried @eikofried.bsky.social · 07/01/2026
After 5 years of data collection, our WARN-D machine learning competition to forecast depression onset is now LIVE! We hope many of you will participate—we have incredibly rich data. If you share a single thing of my lab this year, please make it this competition. eiko-fried.com/warn-d-machi...
eiko-fried.com
WARN-D machine learning competition is live » Eiko Fried
If you share one single thing of our team in 2026—on social media or per email with your colleagues—please let it be this machine learning competition. It was half a decade of work to get here, especi...
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derek guy @dieworkwear.bsky.social · 21/12/2025
One day something will happen — a wedding, a graduation, a job promotion, Jake Paul getting knocked out, Andrew Tate getting knocked out the next day — and you’ll want the right outfit to celebrate. Buy that special outfit now, so you’re ready when that next unexpected moment arrives.
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lucynoakes1.bsky.social @lucynoakes1.bsky.social · 11/12/2025
Ongoing decimation of British universities part 252: Apx. 1000 academic staff at University of Essex just received formal ‘risk of redundancy’ letters via email. Please share @ucuessex.bsky.social @ucu.org.uk
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Georgia Milne @georgiamneuro.bsky.social · 09/12/2025
@orisshenyan.bsky.social and me are happy to share our most recent preprint - we find that prior knowledge protects high-level perception from low-level visual deficits common in healthy ageing. @tessamdekker.bsky.social @mlisi.bsky.social www.biorxiv.org/content/10.6...
A diagram showing that easily encoded context cues can be stored in memory and modulate the encoding of hard-to-recognise images.
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James Vincent @jjvincent.bsky.social · 08/12/2025
can't stop watching this clip of a tesla Optimus teleoperator taking his headset off before properly logging out the robot
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UCU Essex @ucuessex.bsky.social · 02/12/2025
It's official: 400 redundancies and a campus closure. At-risk staff will get a letter next week. Absolutely no serious consideration of any of the union's counterproposals. Please share widely.
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Dariia Mykhailyshyna @dariia.bsky.social · 07/11/2025
❗️Our next workshop will be on Nov 13 6 pm CET titled Building & Customising Stat Models with Stan and R: Introduction to Bayesian Inference by @mlisi.bsky.social Register or sponsor a student by donating to support Ukraine! Details: bit.ly/3wBeY4S Please share! #AcademicSky #EconSky #RStats
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Matteo Lisi @mlisi.bsky.social · 03/11/2025
We are hiring, come work with us! Please share widely 🙏 and do get in touch if you have questions about the Department Deadline: December 1st #neurojob #psychscisky #neuroskyence #VisionScience #academicsky
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Sunder Katwala (sundersays) @sundersays.bsky.social · 24/10/2025
A very worrying escalation of online harassment. Somebody has used a video of me saying "racism in football is a game of two halves" + put a fake voiceover on it saying "what I would say to the girls of Rotherham is it is a game of two halves" x.com/EuropaIneffa...
x.com
Europa Ineffable on X: "In a recent panel at what looks like Labour conference, Sunder Katwala, wearing an England shirt, appeared to compare the R🦍 GANGS to a football match: "it's a game of two halves" 🥴 https://t.co/b5YNKyaQtu" / X
In a recent panel at what looks like Labour conference, Sunder Katwala, wearing an England shirt, appeared to compare the R🦍 GANGS to a football match
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Matteo Lisi @mlisi.bsky.social · 16/10/2025
I’ll be giving a 'Workshops for Ukraine' session on Building and Customising Statistical Models with Stan and R: An Introduction to Bayesian Inference — online on Nov 13. Open to all, with donations supporting Ukrainian organisations. 👉 sites.google.com/view/dariia-... #stats #rstats #statssky
sites.google.com
Dariia Mykhailyshyna - Workshops for Ukraine
Feedback on the past workshops (if you want to learn how to make wordclouds, check out Text Data Analysis workshop below)
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Matteo Lisi @mlisi.bsky.social · 11/10/2025
Turns out a university degree does still make a substantial difference to job prospects, once you account for the conditions when people enter the job market. Nice analysis by the FT. on.ft.com/4q6Y8pm
Plot showing unemployment rates in college grads and people without a degree, showing that when you compare groups based on when they entered the job market, people with a degree have substantially less unemployment rates which display slower increase in 2025.
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Stephen Curry @scurry.bsky.social · 01/10/2025
Deeply disappointing. Once again the @royalsociety.org has avoided explaining how *actions* by Elon Musk that clearly repudiate the Society's values are consistent with the code of conduct that Fellows must adhere to. royalsociety.org/news/2025/10...
royalsociety.org
A statement from the President of the Royal Society | Royal Society
A statement from Adrian Smith, President of the Royal Society, regarding threats to the values that allow science to flourish.
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Jo Wolff @jowolff.bsky.social · 30/09/2025
Amateur view. AI bubble shows that there is too much money chasing too few opportunities for genuine innovation. The solution is to take a medium/long view and put much more funding into basic science in universities rather than cutting as is happening now. (But I would say that wouldn’t I?)
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Dariia Mykhailyshyna @dariia.bsky.social · 26/09/2025
❗️Our next workshop will be on October 2nd, 6 pm CEST, on Effective and Useful Feature engineering by @emilhvitfeldt.bsky.social Register or sponsor a student by donating to support Ukraine! Details: bit.ly/3wBeY4S Please share! #AcademicSky #EconSky #RStats
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Tessa Dekker @tessamdekker.bsky.social · 27/09/2025
We’re hiring! We’re looking for two RAs to study neuroplasticity in sight loss, sight rescue and development in children and adults @ucl.ac.uk using a wide range of neuroimaging and behavioral methods. Please help spread the word! Apply by 16 Oct! t.ly/q3aYe #neurojobs #NeuroSkyence
t.ly
Research Assistant at UCL
Recruiting now: Research Assistant on jobs.ac.uk. Click for details and explore more academic job opportunities on the top job board
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Prof Andy Field @profandyfield.com · 17/09/2025
All sign this please @hopenothate.org.uk secure.hopenothate.org.uk/page/178037/...
secure.hopenothate.org.uk
Biggest record of hope against hate
Add your name to show you’re with us >>
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Child Vision Lab @UCL @childvisionlab.bsky.social · 09/09/2025
We’re hiring! We’re looking for two RAs to work with @tessamdekker.bsky.social and @ronimaimon.bsky.social on visual neuroscience experiments with children and adults, both with and without eye disease using cutting-edge neuroimaging and behavioral methods. Apply by 16 Oct! t.ly/q3aYe #neurojobs
jobs.ac.uk
Research Assistant at UCL
An academic position as a Research Assistant is being advertised on jobs.ac.uk. Click now to find more details and explore additional academic job opportunities.
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Matteo Lisi @mlisi.bsky.social · 12/09/2025
New paper out! 📣 Syrian refugee children (4-9 yrs) show age-related shifts in judging trustworthiness from faces — older kids tend to see faces as less trustworthy; yet judgments are not tied to child or maternal mental health. doi.org/10.1017/S095... #PsychSciSky @rhulpsychology.bsky.social
doi.org
Trust perception in Syrian refugee children | Development and Psychopathology | Cambridge Core
Trust perception in Syrian refugee children
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Matteo Lisi @mlisi.bsky.social · 02/09/2025
New registered report out in BJHP📣 How to reduce demand for antibiotics? Using Signal Detection Theory, we show that clinician explanations & CRP point-of-care results reduce antibiotic expectations and improve discernment doi.org/10.1111/bjhp... #PsychSciSky @rhulpsychology.bsky.social
doi.org
<em>British Journal of Health Psychology</em> | Wiley Online Library
Objectives Patients' expectations for antibiotics are among the strongest predictors of clinicians' decisions to overprescribe antibiotics. In this registered report, we used a signal detection theo...
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Prof Christina Pagel @chrischirp.bsky.social · 21/08/2025
🚨1000 authoritarian actions. 7 months🚨 I've been tracking Trump's authoritarian actions. From dismantling democratic institutions to militarising immigration enforcement, Trump is reshaping America. In my new post I highlight key authoriarian attacks christinapagel.substack.com/p/grand-desi... 1/2
christinapagel.substack.com
Grand Designs: the loss of American freedom
Exactly seven months into Trump's second term, we have reached 1000 authoritarian actions. Here I lay out the enormity of what has happened.
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Matteo Lisi @mlisi.bsky.social · 21/08/2025
😯 I didn't know! whoopsie! 🙃
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Matteo Lisi @mlisi.bsky.social · 21/08/2025
@dingdingpeng.the100.ci @lakens.bsky.social @eikofried.bsky.social ‬@aggieerin.bsky.social‬ ‪@drcpennington.bsky.social‬ ‪@gpwilliams.bsky.social‬ ‬ ‪@willjharrison.bsky.social ‪@guidomaiello.bsky.social‬‪ I’ve surely missed someone — please share with anyone else interested. Thanks a lot!
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