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Calum Guinea

@calumguinea.bsky.social

Research Fellow at UCL // PhD Student w/ Prof. Rebecca Lawson at the University of Cambridge // Computational and Precision Psychiatry // Casual Medievalist

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Reposted by Calum Guinea

Paul Sharp @paulbsharp.bsky.social · 13/07/2026

We're excited to share the lab's findings at #Cpconf See 🧵 below & come by! C71 + poster spotlight! @adipizanti.bsky.social finds overthinking (using MB planning more effortfully without any benefit) is related to worry in 2 large datasets, and explains it with a new DYNA + internal checking model:

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Calum Guinea @calumguinea.bsky.social · 01/08/2025

My first post into the bsky void, the first preprint of my PhD! A novel task to bridge learning and effort decision-making. Of course, we find that effort choice is sensitive to prior learning, but this integration of beliefs into action is affected by anhedonia. doi.org/10.1101/2025...

doi.org

Effort choices are sensitive to prior learning

Motivated behaviour relies on both learning and effort-based decision-making, yet these processes are often studied in isolation. We developed a novel paradigm combining probabilistic associative lear...

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