That the Greens do appear to be overtaking Labour in Gorton and Denton
30.01.2026 08:22
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That the Greens do appear to be overtaking Labour in Gorton and Denton
Yes, he accused me & Tom of "finagling" our model of his nice head-direction results with Fenton: proceedings.neurips.cc/paper_files/...
and then inadvertently plagiarised our model a few years later with Touretzky: onlinelibrary.wiley.com/doi/epdf/10....
He was such a characer, we all miss Bob!
Our experiences have countless details, and it can be hard to know which matter.
How can we behave effectively in the future when, right now, we don't know what we'll need?
Out today in @nathumbehav.nature.com , @marcelomattar.bsky.social and I find that people solve this by using episodic memory.
and 4 Hippocampus for 1-shot auto-associative learning, also Marr
Congratulations Tom, & good luck!
Many congratulations to @masudhusain.bsky.social for winning the @royalsociety.org book prize for his brilliant book βOur brains, our selvesβ.
Loved the brain-themed dessert
Post doc job alert π’! Announcing a v exciting job on a Wellcome-funded project in my group at UCL, looking at auditory hallucinations... Advert here π: rb.gy/230w8l - deadline is end of Oct. Please apply! 1/5
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Applications are now open for the SWC Systems Neuroscience PhD Programme.
Join us in London!
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Whereas the way in which information is represented across neurons - eg with local tuning or not - is more interesting. And a locally tuned response looks like a continuous grandmother response.. But if that does not count as βlocal codingβ, Iβll move on.
Well, itβs not realistic (to me) that a neural representation go from 0 to max after an infinitesimal increase in the grandmother-ness of any real stimulus (non-linear attractor-like responses, like Wills et al 2005, sure, absolute step function not so much). So maybe itβs just not the debate for me
By (this) definition all continuous variables are represented by distributed codes. That does not leave much to discuss or insight to be gained, even though βdistributedβ would normally mean that the firing of an individual neuron is not interpretable on its own.
Should have said (distributed) every unit counts for each value (obv each unit counts in local codes too, but different units for different values).
Yes, grandmother cells are discrete. But, if your simple cells do not have localist coding of angle, then no continuous representation can be localist. Distributed reps (eg in PDP books) were supposed to be like binary numbers (every unit counts), which doesnβt seem to fit here.
Yes, these two issues can be confounded, but discrete vs continuous (eg is grandmother-like valid) is different to local vs distributed (eg can I tell what is represented from a single neuron or must I see the whole population).
The head direction cells are a good example of a population code in which each neuron is tuned to a single direction (and nothing else).
Do HD cells count as localist coding? (If not then I suspect nothing will.)
We make predictions based on general knowledge and/or specific memories. Different brain areas are active when these distinct predictions are violated β and hippocampus selectively responds to prediction errors based on episodic memory.
Cool work by @chrismbird.bsky.social @ayab.bsky.social et al!
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Our paper on foraging is now published in Neuron! Read it here:
www.cell.com/neuron/fullt...
This project was co-led by Michael Bukwich (not on Bluesky) and me, with major contributions from all co-authors. Huge thanks to the whole team!
β³Final week to sign up to the Green Party.
π³οΈ Vote for Bold Leadership on August 1st.
π¨New Preprint! Training spatial memory for traumatic scenes in #VR reduces intrusive memories. ~10 years in the making, with many great collaborators across π³π± π¬π§ π©πͺ, including C.Brewin, J.King, P.Dibbets, @neilburgess10.bsky.social, @nexh-morina.bsky.social π doi.org/10.31219/osf... #PsychSciSky
True, but the referee-informed βarbitrary decisionβ is still better than the editorial boardβs βarbitrary decisionβ (altho it does require more effort).
Brain/behaviour people - come to beautiful Scotland - we are recruiting in psychology and neuroscience across all grades! Closes May 12. Details below, and please re-post π
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OK here it is, the moment you have all been waiting for! Our advert for 5 posts here at Glasgow: Cognitive neuroscience/psychology. Closing date May 12 - please spread the word
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Going to #Cosyne2025? Check out our researchersβ posters and talks:
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Yes! And thanks to @shanewriter.bsky.social for pointing us to your online dataset when I asked about the theta modulated head-direction in the original Tsanov et al 2011
