Alvin
@alviebarr.bsky.social
Your favourite dog from #MedTwitter, now on #MedSky 🐾
So uhhh… what’s the other 84% ?
November 1, 2025 at 6:05 PM
So uhhh… what’s the other 84% ?
Super excited to share! We generated synthetic cervical spine radiographs which were indistinguishable from real patient scans when reviewed by neuroradiologists & neurosurgeons. We also publish a dataset of >20k synthetic scans
Check out the preprint: arxiv.org/abs/2510.22166
Check out the preprint: arxiv.org/abs/2510.22166
October 28, 2025 at 3:23 PM
Super excited to share! We generated synthetic cervical spine radiographs which were indistinguishable from real patient scans when reviewed by neuroradiologists & neurosurgeons. We also publish a dataset of >20k synthetic scans
Check out the preprint: arxiv.org/abs/2510.22166
Check out the preprint: arxiv.org/abs/2510.22166
What a Brilliant way to teach pathology! It’s like the game concentration, but with histology
Try it out: x.com/alvie_barr/s...
Try it out: x.com/alvie_barr/s...
October 23, 2025 at 7:01 PM
What a Brilliant way to teach pathology! It’s like the game concentration, but with histology
Try it out: x.com/alvie_barr/s...
Try it out: x.com/alvie_barr/s...
Replace doctors with AI but keep consultants they say…
October 16, 2025 at 6:32 PM
Replace doctors with AI but keep consultants they say…
To prompt the LLM, obviously.
Why are we still seeing headlines like these???
Why are we still seeing headlines like these???
October 8, 2025 at 6:36 PM
To prompt the LLM, obviously.
Why are we still seeing headlines like these???
Why are we still seeing headlines like these???
USMLE ✅, brain diagrams... ❌
My favourite is the 'hypohalenus', what's yours?
My favourite is the 'hypohalenus', what's yours?
August 29, 2025 at 6:11 PM
USMLE ✅, brain diagrams... ❌
My favourite is the 'hypohalenus', what's yours?
My favourite is the 'hypohalenus', what's yours?
When your loss function converges but your understanding doesn’t:
August 21, 2025 at 2:38 PM
When your loss function converges but your understanding doesn’t:
I tend to do quite well on open book tests too
August 17, 2025 at 12:17 AM
I tend to do quite well on open book tests too
You may be GPT-5, but I’m the rock, paper, scissors champion!
August 9, 2025 at 6:19 PM
You may be GPT-5, but I’m the rock, paper, scissors champion!
Interesting paper: When any use of AI is mentioned, participants perceived physicians as less competent, trustworthy & empathetic, & were less willing to book an appointment with them
Link: jamanetwork.com/journals/jam...
@moritz-reis.bsky.social
Link: jamanetwork.com/journals/jam...
@moritz-reis.bsky.social
July 27, 2025 at 5:40 PM
Interesting paper: When any use of AI is mentioned, participants perceived physicians as less competent, trustworthy & empathetic, & were less willing to book an appointment with them
Link: jamanetwork.com/journals/jam...
@moritz-reis.bsky.social
Link: jamanetwork.com/journals/jam...
@moritz-reis.bsky.social
When they ask you to put your thinking cap on:
July 14, 2025 at 6:16 PM
When they ask you to put your thinking cap on:
Officially the longest author list I've ever seen:
when et al. = et everyone
when et al. = et everyone
July 14, 2025 at 12:18 AM
Officially the longest author list I've ever seen:
when et al. = et everyone
when et al. = et everyone
People are now adding prompt injections to their articles in case reviewers just feed them into an LLM…
July 6, 2025 at 3:17 PM
People are now adding prompt injections to their articles in case reviewers just feed them into an LLM…
EXCITED TO SHARE! Here we show synthetic clinical data may be used in place of real-world data to answer research questions, train ML models, and to amplify sample sizes
Check it out: thejns.org/focus/view/j...
@emreszg.bsky.social
Check it out: thejns.org/focus/view/j...
@emreszg.bsky.social
July 1, 2025 at 3:02 PM
EXCITED TO SHARE! Here we show synthetic clinical data may be used in place of real-world data to answer research questions, train ML models, and to amplify sample sizes
Check it out: thejns.org/focus/view/j...
@emreszg.bsky.social
Check it out: thejns.org/focus/view/j...
@emreszg.bsky.social
Paper straw… in a plastic wrapper…
June 8, 2025 at 4:22 PM
Paper straw… in a plastic wrapper…
Agree to some extent. But every few weeks there’s another of these from nytimes:
May 27, 2025 at 6:18 AM
Agree to some extent. But every few weeks there’s another of these from nytimes:
What if LLMs had whistleblowing capabilities?
From the system card Claude Opus 4 & Claude Sonnet 4: www-cdn.anthropic.com/6be99a52cb68...
From the system card Claude Opus 4 & Claude Sonnet 4: www-cdn.anthropic.com/6be99a52cb68...
May 22, 2025 at 10:50 PM
What if LLMs had whistleblowing capabilities?
From the system card Claude Opus 4 & Claude Sonnet 4: www-cdn.anthropic.com/6be99a52cb68...
From the system card Claude Opus 4 & Claude Sonnet 4: www-cdn.anthropic.com/6be99a52cb68...
Call your mom today, it's evidence-based:
Happy Mother's Day!
Happy Mother's Day!
May 11, 2025 at 5:09 PM
Call your mom today, it's evidence-based:
Happy Mother's Day!
Happy Mother's Day!
Next time someone with a private jet tries to educate the public on the environment...
May 9, 2025 at 11:01 PM
Next time someone with a private jet tries to educate the public on the environment...
