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Natalie Mayerhofer

@nmayerhofer.bsky.social
1.1K followers 836 following 68 posts

Founder, School of AI in Healthcare / École de l'IA en santé Deputy Chief Learning Officer, CHUM Une vraie Montrealer 🍁🥯. Bonjour 💙 Hi! Opinions are my own.

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Reposted by Natalie Mayerhofer
Brendan Harley @profharley.bsky.social · 19/09/2026
Exactly this. Reminds me of the old IBM mandate: A computer can never be held accountable, therefore a computer must never make a management decision. Clearly we are failing
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Reposted by Natalie Mayerhofer
Scott McGrath @smcgrath.phd · 22/09/2026
🧪 An RCT of 848 caregivers in Japan found an AI chatbot boosted HPV vaccine literacy over government leaflets, but it didn't budge vaccination decisions at two weeks (40.3% vs 39.6%). LLM conversational tools can clarify facts, yet trust still relies on doctors to make an impact. #MedSky #MedAI 🛟
jamanetwork.com
AI Chatbot Use for Human Papillomavirus Vaccine Literacy in Japan
This randomized clinical trial evaluates whether an artificial intelligence–driven human papillomavirus (HPV) vaccine chatbot improves caregiver HPV vaccine literacy compared with a government…
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Reposted by Natalie Mayerhofer
Data & Society @datasociety.bsky.social · 22/09/2026
📣 New! While AI boosters are selling their vision of PA as an “AI factory,” our research shows that local communities are drawing very different lessons from their state’s industrial past, and have their own visions for its future. 1/5 datasociety.net/research-lib...
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Eric Topol @erictopol.bsky.social · 20/09/2026
The irony of it all Yesterday, @NEJM posted a new essay suggesting that the US government attacks on biomedical science will subside. www.nejm.org/doi/full/10.... On the same day, it was announced the President wants control of NIH funding
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Reposted by Natalie Mayerhofer
Scott McGrath @smcgrath.phd · 22/09/2026
🧪 Huge news! We've always thought the brain was a single organ. This study says it is two! We assumed the brain grows from a single type of starter cell. Instead, two separate cell lineages develop side by side: one builds the front and middle of the brain, the other builds the back. #Medsky 🧠
nature.com
Two parallel neural ectoderm progenitors contribute to the developing brain - Nature Neuroscience
This study shows that the brain arises from two distinct progenitors: one forms the forebrain and midbrain, whereas the other generates the hindbrain. These insights enable the generation of human hin...
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Reposted by Natalie Mayerhofer
Joshua Weitz @joshuasweitz.bsky.social · 16/09/2026
The White House and OMB's diminished vision for science and medical research undercuts discoveries to come... ... and will lead to significant, near-term economic losses totaling tens of billions of $-s and tens of thousands of jobs. scienceimpacts.org/fy27
scienceimpacts.org
SCIMaP - Impacts of Federal Cuts to Science and Medical Research
View Projected Impact of the FY2027 Budget Cuts to the NIH and NSF
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Reposted by Natalie Mayerhofer
Scott McGrath @smcgrath.phd · 16/09/2026
Flock’s license-plate readers do more than log cars. A hardware breach analyzed by WIRED and 404 Media shows the cameras run on-device models to explicitly detect people and bicycles too, generating over 1M images in weeks.
404media.co
Hackers Stole Flock’s Camera Software, Revealing How the Company Tracks Cars and People
While people around the U.S. are tearing down Flock cameras, one group of hackers went a step further: extracting the camera's software too.
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Reposted by Natalie Mayerhofer
Lukas Edman @lukasnlp.bsky.social · 17/09/2026
Ever feel like it's too hard to keep track of what LLMs cannot do as well as humans? We're making your life easier over at: what-llms-can-not-do.github.io We're compiling a list of papers testing the abilities of LLMs against humans. Check it out! And you can help contribute too!
what-llms-can-not-do.github.io
What LLMs Can(not) Do
A living survey of benchmarks that compare large language models with humans.
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Reposted by Natalie Mayerhofer
UofT-TCAIREM @uoft-tcairem.bsky.social · 02/09/2026
📣 T-CAIREM's 2026 Computing in Medicine - Online Fall Course Our 10-week online, instructor-led professional development course will help participants deepen their #AI in #medicine understanding 📆 REGISTRATION DEADLINE: Sep. 13, 2026 ow.ly/3ToQ50ZzrxV #AIhealth #AI
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Reposted by Natalie Mayerhofer
Rep John Chungus (D-NY27) @sorocchungus2.bsky.social · 19/06/2026
oh no
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Reposted by Natalie Mayerhofer
PZ Myers @pzmyers.bsky.social · 12/06/2026
Women: if you think men have a poor understanding of female anatomy, just you wait until AI replaces your gynecologist. freethoughtblogs.com/pharyngula/2...
bad AI illustration of a menstrual cup
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Scott McGrath @smcgrath.phd · 09/06/2026
Medical training faces a new calibration gap as AI enters the clinic. A trial of 111 medical students showed that fluent, misleading LLM explanations degraded diagnostic accuracy from 21.9% to 9.2%. "Shadow AI" can act as a substitute for reasoning rather than a scaffold. #MedSky
nature.com
Reconciling how clinical reasoning is learned in the age of artificial intelligence - npj Digital Medicine
Two recent studies examine the role of AI in supporting medical students’ learning – a longitudinal study of self-reported outcomes from supervised real-world AI use, and a simulated experiment compar...
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Reposted by Natalie Mayerhofer
UofT-TCAIREM @uoft-tcairem.bsky.social · 09/06/2026
👋🏽 If you’re a high school student in #PEI, our upcoming 2026 #AI in #Healthcare #HighSchool Program is coming to you this summer! LEARN MORE: tcairem.utoronto.ca/news/t-cairems-… DEADLINE: Aug. 12, 2026
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Reposted by Natalie Mayerhofer
Jeffrey Perkel (he/him) @jperkel.bsky.social · 08/06/2026
We are so used to the idea that antibiotics are there to protect us. But that protection is precarious and antibiotic resistance is a global problem. New @nature.com, @smjyoti.bsky.social explains how antibiotics developers are using #AI to design new weapons. 🦠🤖🧪 www.nature.com/articles/d41...
nature.com
AI is taking on antibiotic resistance — here’s how
A suite of artificial-intelligence tools is helping to speed up the process of discovering new antibiotics.
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Madhu Pai, MD, PhD @madhupai.bsky.social · 04/06/2026
👏🏽👏🏽 Melinda French Gates donates $215 million to improve women’s health worldwide apnews.com/article/meli...
apnews.com
Melinda French Gates donates $215 million to improve women's health worldwide
Melinda French Gates is expanding her efforts to improve women's health worldwide, pledging $215 million for contraceptive access and maternal care, as well as initiatives for middle-age women.
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Scott McGrath @smcgrath.phd · 03/06/2026
These results actually got a standing ovation when it was presented: bsky.app/profile/luck... #MedSky
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Reposted by Natalie Mayerhofer
Helen Branswell 🇨🇦 @helenbranswell.bsky.social · 02/06/2026
Even with a case count that was revised downward with the testing of samples from suspected cases, this #Ebola outbreak is already huge. DRC reports that as of 6/1, there are 633 confirmed & suspected cases, with 23 new cases confirmed y'day. And Uganda is now up to 15 cases. insp.cd/sitrep-n018-...
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Reposted by Natalie Mayerhofer
Angie Rasmussen @angierasmussen.bsky.social · 03/06/2026
To be clear, we’ve reached the manufacturing federal criminal charges against career government scientists for purely political reasons stage of fascism
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Reposted by Natalie Mayerhofer
Madhu Pai, MD, PhD @madhupai.bsky.social · 01/06/2026
An illustration of why surveillance & early detection matters in outbreak containment “The reality today is that nobody knows the true scale and severity of this outbreak. New suspected cases are being reported daily, yet 100s of samples remain untested" healthpolicy-watch.news/congo-ebola-...
healthpolicy-watch.news
Congo Ebola Outbreak Now Third-Largest On Record As Suspected Cases Pass 1,000 - Health Policy Watch
A rare and deadly strain of the Ebola virus is spreading rapidly through a region of the Democratic Republic of the Congo (DRC) that has never previously
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Reposted by Natalie Mayerhofer
Kai Kupferschmidt @kakape.bsky.social · 17/05/2026
WHO has declared the #Ebola outbreak in DRC and Uganda a Public Health Emergency of International Concern (PHEIC). First time this has been done without consulting an emergency committee. Extraordinary move that speaks to how concerning the facts on the ground look right now
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Scott McGrath @smcgrath.phd · 01/05/2026
Only 13% of healthcare AI governance frameworks include the four essential components for safe deployment. A scoping review of 77 frameworks found that specific oversight mechanisms, like governance committees, are the rarest feature (19.5%). #MedSky
nature.com
Governance for safe and responsible AI in healthcare organisations: a scoping review of frameworks - npj Digital Medicine
npj Digital Medicine - Governance for safe and responsible AI in healthcare organisations: a scoping review of frameworks
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Jason Moore @moorejh.bsky.social · 01/05/2026
AI Slop Is Flooding Academic Journals. A Top Journal Measured It www.forbes.com/sites/johndr... #AIslop #publishing #research
forbes.com
AI Slop Is Flooding Academic Journals. A Top Journal Measured It
A top management journal measured AI’s impact on submissions and reviews. Submissions rose 42%, writing quality declined and AI reviews proved uninformative to editors.
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Reposted by Natalie Mayerhofer
Amanda Randles 🧪⚛️ 👩‍🔬 @profamandarandles.bsky.social · 30/04/2026
🧪We’re moving from describing physiology to predicting it. Our new Nature Reviews Bioengineering article explores circulatory digital twins and how they can help anticipate disease and tailor care to each patient. Led by Wendy Wu and an incredible team. Read more: doi.org/10.1038/s442...
doi.org
Digital twins and digital models of the human circulatory system - Nature Reviews Bioengineering
Digital twins of the human circulatory system aim to integrate real-time physiological data with computational models to understand, monitor and treat cardiovascular and haematological diseases. This ...
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Reposted by Natalie Mayerhofer
Eric Topol @erictopol.bsky.social · 29/04/2026
How eating gets your immune system fortified: revving up T cell metabolism and function, the adage to "feed a cold" has a basis! nature.com/articles/s41... explainer nature.com/articles/d41...
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Reposted by Natalie Mayerhofer
Ken Wood part owner of 🇨🇦 @madhat59kenwood.bsky.social · 24/04/2026
👍🪶 #cdnpoli
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Reposted by Natalie Mayerhofer
Scott McGrath @smcgrath.phd · 22/04/2026
Medical AI is being adopted faster than we can prove it actually helps patients. A Nature Medicine editorial argues for a proportional evidence framework to fix this. The bigger the claim, the stronger the proof required. #MedSky
nature.com
Show us the evidence for the value of medical AI - Nature Medicine
Claims that medical AI is improving care must be backed by appropriate evidence.
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Reposted by Natalie Mayerhofer
École de l'intelligence artificielle en santé du CHUM @eiassaih.bsky.social · 28/01/2026
🎬 À visionner | Épisode 4 – Soigner à l'ère du numérique Dans ce quatrième épisode de la série « L’IA simplifiée », on s’intéresse à la manière dont l’IA s'intègre aux soins de façon responsable grâce à une collaboration étroite entre les différent(e)s acteur(rice)s du milieu.
youtube.com
Soigner à l'ère du numérique : Épisode 4
L’intelligence artificielle transforme profondément le monde de la santé, tout en soulevant des questions majeures d’éthique, de responsabilité et de valeurs humaines. Cette vidéo explore comment…
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Reposted by Natalie Mayerhofer
École de l'intelligence artificielle en santé du CHUM @eiassaih.bsky.social · 23/01/2026
🎬 À visionner | Épisode 3 – Les dilemmes éthiques de l'IA Dans ce troisième épisode de la série « L’IA simplifiée », on aborde les enjeux #éthiques de l’#IA, notamment les #biais algorithmiques et la question de la #responsabilité. www.youtube.com/watch?v=v2i6...
youtube.com
Les dilemmes éthiques de l'IA: Épisode 3
Pourquoi est-il essentiel de comprendre comment et pourquoi une IA prend une décision ? Cette vidéo explore les enjeux éthiques de l’intelligence artificielle, les biais algorithmiques et le problème…
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Reposted by Natalie Mayerhofer
École de l'intelligence artificielle en santé du CHUM @eiassaih.bsky.social · 21/01/2026
🎬 À visionner | Épisode 2 – Neurones biologiques et neurones artificiels Dans ce deuxième épisode de la série « L’IA simplifiée », on s’intéresse aux réseaux de #neurones artificiels, en faisant le lien entre le fonctionnement du #cerveau humain et les modèles d'#IA.
youtube.com
Neurones biologiques et neurones artificiels: Épisode 2
Comment fonctionnent réellement les réseaux de neurones artificiels ? Dans cette vidéo, on part du neurone biologique pour comprendre comment le cerveau traite l’information, puis on fait le lien…
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Reposted by Natalie Mayerhofer
École de l'intelligence artificielle en santé du CHUM @eiassaih.bsky.social · 16/01/2026
🎬 À visionner | Épisode 1 – L’IA bien plus que des robots Ce premier épisode de la série « L’IA simplifiée » explore les origines de l’#IA et les concepts clés (notamment l'apprentissage automatique) qui ont façonné son développement.
youtube.com
L'IA bien plus que des robots : Épisode 1
D’où vient réellement l’intelligence artificielle ? Dans cette vidéo, on explore les origines de l’IA, de Alan Turing et du test de Turing aux réseaux de neurones artificiels, en passant par la…
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École de l'intelligence artificielle en santé du CHUM @eiassaih.bsky.social · 21/04/2026
💻| Approfondissez vos connaissances sur les usages et #enjeux de l' #IA-santé grâce à notre formation co-développée par Pr Pierre-Antoine Gourraud du @chunantes.bsky.social et @nmayerhofer.bsky.social. À visionner dès maintenant sur YouTube! www.youtube.com/watch?v=I6QI...
youtube.com
Usages de l’IA en Santé - Pr PA Gourraud et N Mayerhofer
YouTube video by pagourraud
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Angie Rasmussen @angierasmussen.bsky.social · 15/04/2026
The cull should have ended this for good, but H5N1 is still everywhere in birds, Facebook Live still exists, & the medical freedom Maple MAGAs are still grifting towards fascism. Last ostrich post (???—I hope but not much of that in these dark times) open.substack.com/pub/rasmusse...
open.substack.com
A Requiem for the Ostriches
The flock is no more, but there are still more fat pads to render
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Scott McGrath @smcgrath.phd · 15/04/2026
In a new preprint, the authors identify 124 peer-reviewed papers which used provenance-unknown Kaggle data to train AI for stroke and diabetes risk. Some sets show impossible patterns, yet models of the models are already hitting clinics. #MedSky #MedAI
nature.com
Dozens of AI disease-prediction models were trained on dubious data
The models are designed to predict someone’s risk of diabetes or stroke. A few might already have been used on patients.
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Reposted by Natalie Mayerhofer
Scott McGrath @smcgrath.phd · 15/04/2026
Specialized AI for neuroimaging is catching up to experts. Brainfound, trained on 10M slices, matches physician accuracy on MCQs (0.785) and cuts analysis time in half. #MedSky 🧠
cell.com
A multi-modal foundation model for brain disease diagnosis and medical imaging
Accurate diagnosis of brain disorders requires combining medical images with clinical knowledge. Brainfound is a large multi-modal AI model trained on millions of brain CT and MRI images paired with…
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Reposted by Natalie Mayerhofer
Applied Clinical Informatics Journal @aci-journal.medsky.social · 13/04/2026
Call for Papers: Applying Artificial Intelligence in Clinical Decision Support Systems Special topic with emphasis on clinical application & measurable outcomes (NOT theoretical or purely technical contributions) Deadline: Oct. 31, 2026 Instructions for Authors: lp.thieme.de/open-access-...
lp.thieme.de
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Scott McGrath @smcgrath.phd · 07/04/2026
Physics-informed digital twins can out-predict standard ML for brain blood flow. The CereBRLSIM model forecasted hemodynamics in TBI patients more accurately than neuralODEs. Since brain damage can happen in <5 mins, having this kind of interpretable, real-time foresight is a massive win. #MedSky 🧠
nature.com
Towards a physics informed digital twin to predict cerebral blood flow and cerebral vascular regulation - npj Digital Medicine
npj Digital Medicine - Towards a physics informed digital twin to predict cerebral blood flow and cerebral vascular regulation
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Eric Topol @erictopol.bsky.social · 07/04/2026
The multitude of ways that jack up American healthcare costs (without improving outcomes) gift link wsj.com/health/healt...
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Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social · 01/04/2026
Astronaut Jeremy Hansen is taking Indigenous culture past the Moon: his mission patch was designed by Henry Guimond, an Anishinaabe artist, incorporating one Indigenous perspective about the seven sacred laws, which are represented by animals. 🧪 #ArtemisII
asc-csa.gc.ca
Jeremy Hansen's patch for the Artemis II mission
CSA astronaut Jeremy Hansen's patch was created for his participation in the Artemis II mission by Anishinaabe artist Henry Guimond. It includes personal and Indigenous elements important to Jeremy.
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Alex Hanna @alexhanna.bsky.social · 30/03/2026
"In early 2024... the average NBA player made about $12 million... The average WNBA player made $118,000—less than one cent on the dollar... It isn’t just the biggest pay increase in U.S. league history. It is, as far as Goldin is aware, the biggest increase any union anywhere has ever negotiated."
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Royal College of Pharmacy @rc-pharm.bsky.social · 25/03/2026
We are conducting an anonymous survey to better understand how AI tools are currently being used in pharmacy practice, and to identify the support and governance required to help pharmacists use them safely. We are keen to hear your views: ow.ly/JqQB50YyEzK
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UofT-TCAIREM @uoft-tcairem.bsky.social · 30/03/2026
📣 Jobseekers! 👩🏽‍🏫 @ontariotechu.bsky.social is hiring an Assistant Professor - #AI and #DigitalHealth 🔗 ontariotechu.csod.com/ux/ats/caree... #MedSky #AImedicine #AI #HealthAI #AIinHealthcare #MedTech
ontariotechu.csod.com
Assistant Professor - AI and Digital Health
The Faculty of Health Sciences invites applications, from qualified individuals, for a Tenure Track Assistant Professor position in AI and Digital Hea...
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Angie Rasmussen @angierasmussen.bsky.social · 31/03/2026
Maybe you heard somewhere that the COVID-19 pandemic started with a lab leak? NO! That is NOT what the evidence shows. It was not a goddamn lab leak. I’ve had enough. Here is what the evidence shows: it was zoonotic spillover at the market rasmussenretorts.substack.com/p/five-reaso...
rasmussenretorts.substack.com
Five Reasons Why It Still Wasn't a Lab Leak
Time for some of that civil disagreement that the NIH Director can't get enough of
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Annie-Claude Brisson @annieclaudebrisson.bsky.social · 31/03/2026
Les vestiges d'une ancienne station radar datant de la guerre froide sont encore visibles à Chibougamau. Des passionnés d’histoire tentent de préserver les souvenirs de ce chapitre oublié de la municipalité du Nord-du-Québec. ici.radio-canada.ca/reportage-ph...
ici.radio-canada.ca
Un fantôme de la guerre froide à Chibougamau
Des passionnés tentent de préserver les souvenirs de ce chapitre de l'histoire de la municipalité.
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STAT @statnews.com · 24/03/2026
According to a new study, NIH grant terminations affected women scientists more than men www.statnews.com/2026/03/23/n...
statnews.com
NIH grant terminations affected women scientists more than men, study finds
A new paper shows that women, particularly those early in their careers, have been disproportionately affected by NIH grant terminations.
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Maggie Harrison Dupré @mharrisondupre.bsky.social · 18/03/2026
NEW: AI use is supercharging ill-advised lawsuits as people representing themselves turn to chatbots to file oceans of documents in support of flawed or groundless claims -- intensifying the impact of flimsy cases and wreaking havoc on slow-moving courts. futurism.com/artificial-i...
futurism.com
Absurd AI-Powered Lawsuits Are Causing Chaos in Courts, Attorneys Say, "Clogging the System" and Driving Up Costs
Self-represented litigants using chatbots are filing endless "AI slop" lawsuits, bogging down courts and sending costs skyrocketing.
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Scott McGrath @smcgrath.phd · 17/03/2026
Nearly 70% of teens using AI companions check in monthly, and 1 in 8 seek mental health advice from bots. Honestly, it's a massive shift. We're trading the messy 'rupture and repair' of human bonds for instant validation, stalling the very resilience kids need to grow. #MedSky
jamanetwork.com
Generative AI in Adolescence—A Developmental Framework
When adolescents turn to artificial intelligence (AI) chatbots for emotional support, validation, and companionship,1 they may be meeting genuine needs in new ways. We may be witnessing a societal shift in which developmental work occurring within human relationships is being outsourced to technology.
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Margaret Mitchell @mmitchell.bsky.social · 13/03/2026
🤖 In policy? Thinking about the definition of "AI"? Led by @aspendigital.bsky.social, a set of us at intersection of AI/ethics/law/policy put together this resource on the lineage of policy "AI" definitions, what they're getting right, what might be improved. www.aspendigital.org/report/defin...
aspendigital.org
Defining Technologies of Our Time - Aspen Digital
This handbook offers an accessible, easy to use entry point for grappling with the question of how to define AI in a legal context.
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Jason Koebler @jasonkoebler.bsky.social · 12/03/2026
I met with AI data labelers in Kenya who are organizing their colleagues to fight the brutal working conditions and horrible pay given to the workers at the "bottom of the AI supply chain." They believe the NDAs they've signed are unenforceable so are speaking out: www.404media.co/ai-is-africa...
404media.co
'AI Is African Intelligence': The Workers Who Train AI Are Fighting Back
Kenyan workers are still the underpaid labor behind AI training, moderation, and sex chatbots. The Data Labelers Association is fighting back.
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Colin Carlson @colincarlson.bsky.social · 05/03/2026
NEW PREPRINT! 🦠⚖️🌡️ The Pandemic Agreement is the first global health treaty to name climate change, and behind the scenes, the UNFCCC was a source of both inspiration and conflict. Cristina Arnés-Sanz and team tracked climate issues through three years of negotiations: papers.ssrn.com/sol3/papers....
Climate change in the WHO Pandemic Agreement negotiations: a qualitative study. Graph shows the evolution of different topics over different articles.
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Scott McGrath @smcgrath.phd · 12/03/2026
Big tech is moving into your medical records. Microsoft’s Copilot Health will soon merge Apple Watch data with clinical histories to "connect the dots" in seconds. It’s an efficiency win, but the privacy stakes are high: HIPAA doesn't apply here, and AI bias hasn't been solved yet. #MedSky #MedAI
nytimes.com
A.I. Chatbots Want Your Health Records. Tread Carefully.
Following rivals like Amazon and OpenAI, Microsoft is upgrading its artificially intelligent assistant to track your health. There are benefits and risks to consider.
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