Paul Bays
@BaysLab
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Computational cognitive scientist, Professor at University of Cambridge. https://t.co/UzxDcENuY4
Joined August 2014
New work on sensory prediction resolves some long-standing puzzles about attenuation of self-touch
journals.physiology.org
When one part of the body exerts force on another part, the resulting tactile sensation is perceived as weaker than when the same force is applied by an external agent. This phenomenon has been...
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Now out in Comms Psych: the "anti-Bayesian" size-weight illusion is a consequence of the brain focusing resources on encoding typical combinations of size and weight (i.e. "efficient coding"). Explains the material-weight illusion too
nature.com
Communications Psychology - Weight illusions reflect the efficient coding of everyday experiences with objects. Bayesian models that account for the resulting differences in discriminability...
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We have an opening for a postdoc to work on a collaborative project with @lengyel_m (UCambridge Engineering) combining machine learning methods with human experiments on visual perception and memory
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👀Claude handles an insane request: “Remove the squid” “The document appears to be the full text of the novel "All Quiet on the Western Front" by Erich Maria Remarque. It doesn't contain any mention of squid that I can see.” “Figure out a way to remove the 🦑“
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A systematic dissection of the analogue report methodology and comparison with "gold-standard" 2AFC. Key findings: motor noise is negligible; analogue report error is a robust measure of memory fidelity, but may underestimate perceptual precision
link.springer.com
Behavior Research Methods - Over the last two decades, the analogue report task has become a standard method for measuring the fidelity of visual representations across research domains including...
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Out now in NHB (finally!), a review of visual working memory from a computational perspective, with @weijima01 @timothyfbrady and Sebastian Schneegans.
nature.com
Nature Human Behaviour - Recent advances are revealing visual working memory representations to be richer than mere imperfect copies of perceptual events. Bays et al. discuss the latest theories of...
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Nice commentary from @salinas_urgent and @mangosheikh_B on our new eLife paper
elifesciences.org
Our ability to recall details from a remembered image depends on a single mechanism that is engaged from the very moment the image disappears from view.
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The size-weight illusion is a by-product of efficient sensory coding adapted to the combinations of volume and mass found in everyday objects. New preprint
biorxiv.org
In our everyday experience, the sizes and weights of objects we encounter are strongly correlated. When objects are lifted, visual information about size can be combined with haptic feedback about...
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1/ 🔥 Hot off the press: my latest paper in collaboration with @BaysLab and @ReubenRideaux. Ever wondered how Bayes' theorem is implemented by the brain? We think we have an answer, for visual orientation estimates at least. 🧵 Open access: https://t.co/7G1M3qCpoJ
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“Among articles stating that data was available upon request, only 17% shared data upon request.” https://t.co/L84lnKMgPn
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We measured how effectively observers can reallocate working memory resources to new visual items when old ones become obsolete - people are surprisingly good at it! New paper with @ivntmc @dataforyounz @DAagtenMurphy
link.springer.com
Attention, Perception, & Psychophysics - Visual working memory (VWM) resources are limited, placing constraints on how much visual information can be simultaneously retained. During visually...
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The difference between saccades and smooth pursuit eye movements, as demonstrated by sticking gross plastic thingies on your eyeballs https://t.co/vuiWBgFTh4
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A critique of the psychological similarity account of working memory errors: work with @ivntmc now out in JEP:LMC
biorxiv.org
Population coding models provide a quantitative account of visual working memory (VWM) retrieval errors with a plausible link to the response characteristics of sensory neurons. Recent work has...
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New review on visual working memory with @BaysLab, @timothyfbrady, and Sebastian Schneegans: https://t.co/84130x8EPe I was surprised by how much news there was since my 2014 review with @BaysLab and @MasudHusain. Comments/excoriations are welcome and may get incorporated.
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New work with Jess McMaster & others: we show swap errors (item confusions) in cued recall are not a strategic response to forgotten items, but instead occur at exactly the rate predicted by variability in recall of the cue features
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New in Psych Review with Sebastian Schneegans & Jess McMaster: comparing the roles of time and space in binding features in working memory
pubmed.ncbi.nlm.nih.gov
Previous research on feature binding in visual working memory has supported a privileged role for location in binding an object's nonspatial features. However, humans are able to correctly recall...
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We have an opening for a post-doc (or potentially a talented graduate RA) to research computational mechanisms of visual perception/memory using online and offline experiments - note deadline 11 Aug
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Views of an object before and after a saccade may be combined even if you are aware the object has changed - new with Garry Kong, @DAagtenMurphy and Jess McMaster.
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🚨 New from me, Jess McMaster, and @BaysLab. Are you interested in working memory? Ensemble statistics? Well you're in for a treat! Out now at Cognition: "Limited memory for ensemble statistics in visual change detection". Open access: https://t.co/KVfmdNAfjT and thread here 👇
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