Christopher Honey

Christopher Honey

@chrishoney.bsky.social

Associate Professor, Psychological & Brain Sciences, Johns Hopkins University. theoretical neuroscience; open-ended cognition; memory

1.2K followers512 following55 posts

Christopher Honey reposted

Such a great question and nice to see a positive answer

Royal Society Publishing@royalsocietypublishing.org

Do animals remember after months of hibernation? In new research from #BiologyLetters, Columbian ground squirrels retained spatial memories after nine months of hibernation, outperforming inexperienced squirrels by 41โ€“98% in their first maze trial after waking doi.org/10.1098/rsbl... #Cognition

Christopher Honey reposted

2 yrs ago, I briefly laid out a new theory of how motivation works (AGH). Here, I expand on the problems AGH was trying to solve, why they are hard to solve, what my solution looks like, and how this should change our understanding of thoughts & actions. osf.io/preprints/ps... ๐ŸงตA few highlights:

Christopher Honey reposted

Christopher Honey reposted

So thankful to the University of Cambridge for enabling a new chapter in the long history of the APU/CBU (since MRC decided to close all its unitsโ€ฆ)

Cambridge University announces a new Cambridge Mind and Brain Institute focused on understanding and improving brain health across our lifespan, from early childhood through to old age. Find out more ๐Ÿ‘‰ https://bit.ly/4hpgZsl @mrccbu.bsky.social

Christopher Honey reposted

What does the *empirical evidence* tell us about work and wellbeing? And what does that imply for AI futures? arxiv.org/abs/2609.11019 We reviewed studies of populations across the world, including the unemployed, retirees, lottery winners, and financially dependent spouses. Major takeaways:

Christopher Honey reposted

very cool! Once their world extends beyond primary colors & shapes in a matrix to one w/ realistic scenes and situations incl social dynamics, will be esp cool to see how they extend meanings in new contexts, and ultimately develop a full range of constructions, almost as if they don't need UG

Simon Kirby@simonkirby.bsky.social

We uncovered spontaneous evolution of new languages in populations of AI agents. This creates extraordinary scientific opportunities but also safety risks. New blog post with about how we created a platform for studying this safely. www.schmidtsciences.org/glossogen/

Christopher Honey reposted

UCSD Cognitive Science Department is hiring an Assistant Professor incorporating novel computational approaches in the study of biological and/or artificial intelligence. I have had the privilege of working in this department for 10 years and the intellectual environment really is unique. 1/3

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2/ One known mechanism for continuity is hippocampal memory: we can snapshot mental context and later restore it. But Xian found a cortical process: a background pattern that gradually drifted over narrative time, and which persisted through interruptions in a transformed format.

3/ The persistence of this background pattern predicted how reliably posterior medial cortex re-synced to the story after the interruption, and (along with hippocampal activity) it predicted how well listeners later recalled the story.

Christopher Honey reposted

Christopher Honey reposted

๐ŸŽ‰ *extremely* excited to share our human single neuron + movie dataset is out in #ScientificData! ๐Ÿ“„ Human neuron activity during an 83-minute movie from 2,286 neurons and 29 patients ๐Ÿ”—https://www.nature.com/articles/s41597-026-07955-0 1st public dataset from @humansingleneuron.bsky.social!๐Ÿงต

Christopher Honey reposted

Christopher Honey reposted

Christopher Honey reposted

Itโ€™s a bird, itโ€™s a plane, itโ€™sโ€ฆanother creative & impactful project from the rocket-fueled @talboger.bsky.social, applying the wickedly cool โ€œvisual anagramsโ€ method to animacy! Read the paper in @elife.bsky.social today, then attend his presentation at @socphilpsych.bsky.social later this week. ๐Ÿฆ†โœˆ๏ธ

tal boger@talboger.bsky.social

Do we perceive animacy itself, beyond its lower-level visual correlates? In @elife.bsky.social, @chazfirestone.bsky.social and I leverage โ€œvisual anagramsโ€ โ€” images whose interpretations change with orientation โ€” to suggest the answer is: yes! elifesciences.org/reviewed-pre...

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Fourth, Americans are more likely to expect AI to widen inequality than narrow it (52% vs 18%). And when asked "who gains the most power?", 44% name tech companies, 20% say AI systems themselves, and 8% say ordinary people.

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Christopher Honey reposted

Christopher Honey reposted

Task diversity is supposedly key to generalization in RL. But what does it do to continual RL, where agents face one new task distribution after another? We find that past a point, more diversity actually inhibits continual reinforcement learning ๐Ÿงต

Christopher Honey reposted

Christopher Honey reposted

This paper had a pretty shocking headline result (40% of voxels!), so I dug into it, and I think it is wrong. Essentially: they compare two noisy measures and find that about 40% of voxels have different sign between the two. I think this is just noise!

Eiko Fried@eikofried.bsky.social

Would love to hear expert views on this paper. It appears to show that the operationalization of brain activity the field has relied on for 3 decadesโ€”the BOLD responseโ€”is not actually a sensible measure of brain activity. www.nature.com/articles/s41...

Christopher Honey reposted

I am very excited to announce that over the holidays, my first ever paper (w/ @samiyousif.bsky.social) was published in Cognitive Science! Here, we describe a new illusion of *number*: The Crowd Size Illusion! onlinelibrary.wiley.com/doi/10.1111/...

onlinelibrary.wiley.comThe โ€œCrowd Size Illusionโ€ and the Relativity of Number PerceptionWhen we investigate busy visual scenes, how do we estimate the number of objects that we see? Most work on number perception answers this question by focusing on properties of the to-be-estimated set...
Gabe Waterhouse@gabrielwaterhouse.bsky.social

I am excited to announce my first ever paper (w/ @samiyousif.bsky.social ) about a new illusion of *number*: the โ€œCrowd Size Illusionโ€. osf.io/preprints/ps...

Christopher Honey reposted

What if we could tell you how well youโ€™ll remember your next visit to your local coffee shop? โ˜•๏ธ In our new Nature Human Behaviour paper, we show that the ๐—พ๐˜‚๐—ฎ๐—น๐—ถ๐˜๐˜† ๐—ผ๐—ณ ๐—ฎ ๐˜€๐—ฝ๐—ฎ๐˜๐—ถ๐—ฎ๐—น ๐—ฟ๐—ฒ๐—ฝ๐—ฟ๐—ฒ๐˜€๐—ฒ๐—ป๐˜๐—ฎ๐˜๐—ถ๐—ผ๐—ป can be measured with neuroimaging โ€“ and ๐˜๐—ต๐—ฎ๐˜ ๐˜€๐—ฐ๐—ผ๐—ฟ๐—ฒ ๐—ฝ๐—ฟ๐—ฒ๐—ฑ๐—ถ๐—ฐ๐˜๐˜€ ๐—ต๐—ผ๐˜„ ๐˜„๐—ฒ๐—น๐—น ๐—ป๐—ฒ๐˜„ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ๐˜€ ๐˜„๐—ถ๐—น๐—น ๐˜€๐˜๐—ถ๐—ฐ๐—ธ.

Nature Human Behaviour@nathumbehav.nature.com

New study by @xrmasiso.bsky.social et al shows that spatial contexts with more reliable brain representations better support memory for future experiences within them, revealing how stable neural maps help the brain organize and recall life events.

Christopher Honey reposted

Christopher Honey reposted

Christopher Honey reposted

Christopher Honey reposted

New paper with @mujianing.bsky.social & @prestonlab.bsky.social! We propose a simple model for human memory of narratives: we uniformly sample incoming information at a constant rate. This explains behavioral data much better than variable-rate sampling triggered by event segmentation or surprisal.

bioRxiv Neuroscience@biorxiv-neursci.bsky.social

Efficient uniform sampling explains non-uniform memory of narrative stories https://www.biorxiv.org/content/10.1101/2025.07.31.667952v1