Sam Leighton
@samleighton.bsky.social
📤 61
📥 135
📝 14
Academic psychiatrist
Thanks to coauthors including
@benjaminperry.bsky.social
@rajkd.bsky.social
@dmachlanski.bsky.social
@stsaftaris.bsky.social
on BlueSky!
add a skeleton here at some point
16 days ago
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Check out our new article using causal mediation analysis to show that early (0–12 week) weight gain drives the 1‑year impact of antipsychotics on weight. We then used counterfactual prediction to model “what if” treatment scenarios - a step toward personalised prevention.
doi.org/10.1192/bjp....
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Antipsychotic-induced weight gain in psychosis: causal mediation analysis and feasibility study of causal actionable prediction model development using counterfactuals to target obesity | The British ...
Antipsychotic-induced weight gain in psychosis: causal mediation analysis and feasibility study of causal actionable prediction model development using counterfactuals to target obesity
https://doi.org/10.1192/bjp.2026.10561
16 days ago
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Our proposal for a session at
@rcpsych.bsky.social
congress has been accepted. Looking forward to speaking on the future of precision psychiatry with
@rajkd.bsky.social
@dmachlanski.bsky.social
and Fani Deligianni. Here's a taster of what we're talking about!
2 months ago
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Dynamic prediction with prediction of counterfactuals for individualised decisions. Really cool.
add a skeleton here at some point
6 months ago
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reposted by
Sam Leighton
Georgia Tomova
7 months ago
A fantastic teaching example of a predictor being misinterpreted as having a causal effect.
#CausalSky
#EpiSky
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First week 'critical' to avoid children missing school later, parents told
Data suggests more than half of children who miss a day at the start of term become persistently absent.
https://www.bbc.com/news/articles/cg7jk3rr225o
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New causal prediction feasibility study preprint with I Lam Leong,
@dmachlanski.bsky.social
@benjaminperry.bsky.social
@stsaftaris.bsky.social
Fani Deligianni, Stephen M Lawrie and
@rajkd.bsky.social
add a skeleton here at some point
10 months ago
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Check out our new preprint: Antipsychotic-induced weight gain in psychosis – a causal mediation analysis and feasibility study of casual actionable prediction model development using counterfactuals to target obesity
osf.io/preprints/ps...
#CausalSky
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OSF
https://osf.io/preprints/psyarxiv/zfhx3_v3?view_only=
10 months ago
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reposted by
Sam Leighton
Rajeev KD
11 months ago
link.springer.com/article/10.1...
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Ethnic Bias in Prediction and Decision Making Algorithms in Precision Psychiatry: Challenges in a Shrinking World - Journal of Psychosocial Rehabilitation and Mental Health
This article examines ethnic bias in predictive algorithms and decision-making systems within precision psychiatry. While these models aim to provide individualised outcomes and improve healthcare, th...
https://link.springer.com/article/10.1007/s40737-025-00472-0
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reposted by
Sam Leighton
Check out the new preprint with
@rajkd.bsky.social
@stsaftaris.bsky.social
and Fani Deligianni A fallacy at the heart of precision medicine - are current clinical prediction models actionable?
osf.io/preprints/ps...
#CausalSky
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OSF
https://osf.io/preprints/psyarxiv/jw37c_v1?view_only=
about 1 year ago
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Check out the new preprint with
@rajkd.bsky.social
@stsaftaris.bsky.social
and Fani Deligianni A fallacy at the heart of precision medicine - are current clinical prediction models actionable?
osf.io/preprints/ps...
#CausalSky
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OSF
https://osf.io/preprints/psyarxiv/jw37c_v1?view_only=
about 1 year ago
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reposted by
Sam Leighton
Gary Collins
about 1 year ago
NEW PAPER in
@bmj.com
where we discuss the rationale, challenges, and approaches to providing uncertainty of risk estimates from clinical prediction models
www.bmj.com/content/388/...
#StatsSky
#MLSky
#EpiSky
#AI
#machinelearning
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Me and
@rajkd.bsky.social
published a paper on precision psychiatry
www.cambridge.org/core/journal...
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Precision psychiatry: thinking beyond simple prediction models – enhancing causal predictions | The British Journal of Psychiatry | Cambridge Core
Precision psychiatry: thinking beyond simple prediction models – enhancing causal predictions
https://www.cambridge.org/core/journals/the-british-journal-of-psychiatry/article/precision-psychiatry-thinking-beyond-simple-prediction-models-enhancing-causal-predictions/D7AAFD4AAB724736F393560374554F12?utm_campaign=shareaholic&utm_medium=copy_link&utm_source=bookmark
about 1 year ago
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