Sign in

Peter Kok

@peterkok.bsky.social
5.9K followers 1.8K following 252 posts

Professor of Cognitive Neuroscience at the FIL, UCL, using human neuroimaging to study how our prior knowledge influences the way we perceive the world. www.in.fil.ion.ucl.ac.uk/visual-per…

PostsRepliesMedia
Reposted by Peter Kok
Chris Baldassano @chrisbaldassano.bsky.social · 2h
I'm recruiting PhD students this cycle! We study how the brain perceives, remembers, and predicts naturalistic experiences like movies and games, using computational tools to analyze behavioral and neural data 🧠 App deadline is 12/2/26 - see our lab pubs on our website www.dpmlab.org/pubs.html
dpmlab.org
Columbia Dynamic Perception and Memory Lab
01712
Reposted by Peter Kok
Janel Le Belle @janellebelle.bsky.social · 22h
The brain represents expected sensory information before it arrives. Activity predicting upcoming visual or tactile input appeared even in early subcortical sensory regions, suggesting prediction is built into sensory processing from its earliest stages. www.nature.com/articles/s41...
nature.com
Modality-specific reactive and predictive responses in the human superior colliculus - Nature Neuroscience
Chen et al. use 7-Tesla fMRI to show that the human superior colliculus has modality-specific, depth-dependent activity prior to visual or somatosensory events, resembling its response to actual stimu...
12310
Reposted by Peter Kok
Kristina Šekrst @epiphenomenal.bsky.social · 06/10/2026
Ok, finally a REAL conundrum. #philosophy #science
4418
Reposted by Peter Kok
Steve Fleming @smfleming.bsky.social · 05/10/2026
Excited to be launching our new PhD program in Minds and Machines at UCL with co-Directors Tali Sharot and @nadinedijkstra.bsky.social To apply, find out more here: www.ucl.ac.uk/brain-scienc... Our launch event is on Nov 10th, with a cracking lineup of speakers: luma.com/cikzcth0
lnkd.in
LinkedIn
This link will take you to a page that’s not on LinkedIn
210051
Reposted by Peter Kok
Heleen Slagter @haslagter.bsky.social · 06/10/2026
Reposting, in case you missed it! 8-) Reskeet appreciated!
11919
Reposted by Peter Kok
toilet bones @toiletbones.bsky.social · 06/10/2026
Found the email I sent when I got accidentally added to the faculty listserv of an orthopedic surgery clinic and nobody would remove me so I sent this email to all faculty/staff/med students and they removed me almost immediately
Hello Bone Colleagues, 
I have invented a new type of ankle and I'm very excited to show it to you. Early raccoon trials suggest a 60% increase in scurrying speed and dramatic increases in fine motor banditry. I know we are not supposed to create super raccoons, but I think you'll change your mind and professional ethics when you see how cute they are. I believe we are on the cusp of a new era in advanced human scurrying because if medical science has taught me anything, it's that improvements in raccoons correspond 1:1 to improvements in humans. 

--
[My name]
Chief Bone Inventor
Chair, Department of Foot and Leg Innovation
Lord Mayor, Musculoskeletal Medicine 
Hartford HealthCare,
The Bone & Joint Institute at Hartford Hospital.
189112823072
Reposted by Peter Kok
Clapton CFC @claptoncfc.co.uk · 06/10/2026
⭐️ Player of the match ⭐️ Marta Casanovas wins the POTM vote for the Women's First Team home game against Sport London e Benfica 👏 POTM votes are held on our WhatsApp channel - join: chat.whatsapp.com/Hh6OjxOWicQI...
0142
Reposted by Peter Kok
Earl K. Miller @earlkmiller.bsky.social · 04/10/2026
When you focus on one item in working memory, beta rhythms may help “park” the other in a protected, set-aside state. Prioritization in Working Memory Reduces Interference via Beta Band-Linked Stimulus Transformations doi.org/10.1523/JNEU... #neuroscience
doi.org
Prioritization in Working Memory Reduces Interference via Beta Band-Linked Stimulus Transformations
We studied the effects of prioritization in a two-step retrocuing task in which male and female humans hold two items in working memory, and the item not cued by the first cue cannot be dropped becaus...
0266
Reposted by Peter Kok
Clapton CFC @claptoncfc.co.uk · 04/10/2026
Matchday! 3.30pm kick off. * Entrance via Disraeli Road turnstile *
1134
Reposted by Peter Kok
Clapton CFC @claptoncfc.co.uk · 29/09/2026
⚽️ Next Women's First Team match ⚽️ 3.30pm kick off home game on Sunday - come on down after the Cable Street 90 march🔥 📍 Old Spotted Dog Ground, E7 9NP 🚇 7 stations nearby 🎟️ £5 | pay what you can concessions | free U13s 🍻 Bar and food www.claptoncfc.co.uk/2026/09/29/m...
085
Reposted by Peter Kok
Adam Becker @adambecker.bsky.social · 01/10/2026
165 years ago TODAY, Charles Darwin had a normal one. "I am very poorly today & very stupid & hate everybody & everything. One lives only to make blunders.— I am going to write a little Book for Murray on orchids & today I hate them worse than everything…" I think about this letter a lot.
darwinproject.ac.uk
To Charles Lyell   1 October [1861] | Darwin Correspondence Project
311235
Reposted by Peter Kok
Erwin L. Hahn Institute for MRI @elh-institute.bsky.social · 02/09/2026
We’re looking for a PhD researcher in high-resolution laminar fMRI! 🔬 Laminar fMRI of Hippocampus 🌍 International, interdisciplinary team 📍 Essen, Germany | 4-year PhD position | 75% part-time ℹ️ Subject to the approval of the funder 👉 Apply by 30 September 2026: www.uni-due.de/karriere/ste...
static.klipy.com
Penguin's Job Application
Alt: Penguin repeatedly hits a sign labelled “Job Application”.
064
Reposted by Peter Kok
Erwin L. Hahn Institute for MRI @elh-institute.bsky.social · 30/09/2026
‼️The Deadline is today! If you haven't applied yet, do it now. We're a cool bunch, we promise 😁
043
Reposted by Peter Kok
Lilian Weber @lilweb.bsky.social · 28/09/2026
✨New PhD Position!✨ Come and work with us on understanding cognition with a mix of cognitive modelling and ultrasound neuromodulation! More info on the lab & position: mic-lab.de/positions/ph... Official job ad: tinyurl.com/miclab-phd 🙏Please RT - deadline is Oct 14 ‼️
mic-lab.de
Research Associate (m/f/d): Models, Interventions, and Cognition — MIC-Lab
Models and interventions of cognition.
04238
Reposted by Peter Kok
Ryszard Auksztulewicz @auksz.bsky.social · 25/09/2026
What can DNNs tell us about how the brain learns? Our new results show that predictive local learning better captures changes in brain representations during statistical learning than supervised or contrastive approaches. Excellent work by @denisekittelmann.bsky.social and @gutlin.bsky.social
biorxiv.org
Predictive coding networks capture human neural representations missing in supervised DNNs
Neuroscientific learning theories propose that the brain acquires knowledge by constructing internal world models. Supervised learning, the dominant approach in deep neural networks (DNN), relies on e...
02912
Reposted by Peter Kok
Nick Holmes @thehandlab.bsky.social · 25/09/2026
'Thank you for your grant proposal. We took a moment to upload it to the internet and the answer was "no". We value the time you spent preparing this work and we encourage you to do it again.' 🤬
171
Reposted by Peter Kok
Jacob Öberg @profjacob.bsky.social · 23/09/2026
This #putin appeasing has been one of the most damaging traits of American foreign policy for decades. It is a direct assault on #ukrainian fight for survival and independence.
57831
Reposted by Peter Kok
Jacob Öberg @profjacob.bsky.social · 14/09/2026
🚨🚨 #MAGA is making the world safe for #corruption. Strong piece by @anneapplebaum.wsocial.eu on how far-right ideologies have transformed #American #foreignpolicy into a tool of private gain and anti-democratic reaction. www.theatlantic.com/magazine/202...
theatlantic.com
MAGA Is Making the World Safe for Corruption
Far-right ideologues have transformed American foreign policy into a tool of private gain and antidemocratic reaction.
3289125
Reposted by Peter Kok
Laura Laker @lauralaker.bsky.social · 22/09/2026
While long-term funding is key to the National Cycle Network's success, £104m over four years is £26m a year... the equivalent of upgrading a single A-road junction. CWIS3, the government's four-year strategy mentioned '7,000 additional or improved [NCN] miles by 2030'...so £14,857 per mile?
56221
Reposted by Peter Kok
Micah G. Allen @micahgallen.com · 22/09/2026
So… we just found out that GPT sol can complete a complex online behavioral/cognitive study producing nearly indistinguishable behavior and subjective reports… right as we are about to launch. Is this doomsday for online cognitive testing?
3212669
Reposted by Peter Kok
Catherine Rampell @crampell.bsky.social · 21/09/2026
EPA allowed pesticide giant Bayer to pick from a menu of regulation options for the controversial and destructive weedkiller dicamba. Dicamba is drift prone and kills vegetation and crops for miles around fields where it is sprayed, and is linked to liver cancer and Non-Hodgkin lymphoma
theguardian.com
US environment agency let Bayer pick regulations for destructive weedkiller, documents show
Environmental Protection Agency asked firm to choose rules it wanted for dicamba, then put the choices in a proposed federal rule
20368221
Reposted by Peter Kok
Nancy Kanwisher @nancykanwisher.bsky.social · 21/09/2026
More shit coming down:: "The White House has begun drafting a new executive order that could further cement President Trump’s ability to control billions of dollars in scientific grants and expand the administration’s pressure campaign against elite universities." www.nytimes.com/2026/09/20/s...
nytimes.com
White House Moves to Take Control of N.I.H. Grants
Federal officials are drafting an executive order that would place grants under review by an outside panel, the latest effort to redirect billions of dollars in research spending.
2139
Reposted by Peter Kok
Nancy Kanwisher @nancykanwisher.bsky.social · 20/09/2026
Me & John & Shiloh out protesting AGAIN. Maybe it does nothing. But maybe one person thinks: If these guys can be out here every Saturday I should take action as well, by checking my voter registration, asking my friends to do same, making a plan to vote early, supporting competitive candidates.....
2448
Reposted by Peter Kok
hakwan lau @hakwan.bsky.social · 17/09/2026
onlinelibrary.wiley.com/doi/10.1111/... Disturbances of conscious experience are central features of many psychiatric and mental health disorders. Experimental studies of conscious perception are therefore increasingly cited ....
onlinelibrary.wiley.com
Hitting and missing on consciousness
Disturbances of conscious experience are central features of many psychiatric and mental health disorders. Experimental studies of conscious perception are therefore increasingly cited in clinical an....
23612
Reposted by Peter Kok
hakwan lau @hakwan.bsky.social · 17/09/2026
we started out just wanting to point out that, despite its popularity, comparing hits vs misses in detection tasks is actually not a very good way to study subjective experience / consciousness. but we ended up expanding it to make it relevant for clinical stuff too led by @tomnakamura.bsky.social
0189
Reposted by Peter Kok
Robert Komaniecki @komaniecki.bsky.social · 19/09/2026
my body is a machine that turns HDMI adapters into misplaced HDMI adapters
0767
Reposted by Peter Kok
Kevin Mitchell @wiringthebrain.bsky.social · 17/09/2026
"Consciousness Needs a Subject" - commentary with @cdj.bsky.social on target article by @anilseth.bsky.social. Now published, along with all (50!) commentaries and Anil's responses! 😊 cup.org/4h0wRmg
cup.org
Consciousness needs a subject | Behavioral and Brain Sciences | Cambridge Core
Consciousness needs a subject - Volume 49
74215
Reposted by Peter Kok
Steve Fleming @smfleming.bsky.social · 16/09/2026
📖 New review out today in @natrevneuro.nature.com: Towards an integrative neuroscience of metacognition 🧠🧪 Full-text link to the paper is here: rdcu.be/9YK3mF7dYhFa
414058
Reposted by Peter Kok
Sam Schwarzkopf @sampendu.bsky.social · 16/09/2026
Happy to see @genetang.bsky.social's review article on Charles Bonnet Syndrom now available as early-online in Brain! #VisionScience #neuroskyence #PsychSciSky doi.org/10.1093/brai...
doi.org
The neural mechanisms of Charles Bonnet syndrome
Charles Bonnet syndrome is characterised by visual hallucinations that cannot be explained by any other cause in individuals with visual impairment. Tangta
03010
Reposted by Peter Kok
Neuroskeptic @neuroskeptic.bsky.social · 16/09/2026
The soul is real and can be tied with a rope according to this graphical abstract. The paper is even weirder! "Quantum evidence of nonlocal consciousness during clinical death" www.cell.com/the-innovati... This is a Cell Press journal... via @pubpeer.com @forbetterscience.bsky.social
1210424
Reposted by Peter Kok
Mariam Aly @mariamaly.bsky.social · 15/09/2026
How do keep a narrative active in our mind despite interruptions? The default mode network can maintain a representation of an interrupted story over a delay, even when the delay is filled with a demanding task. This representation is strikingly transformed from the initial experience!
biorxiv.org
Cortical and Hippocampal Pathways to Mental Continuity
How do people preserve mental continuity when tasks are interrupted? One established pathway runs through the hippocampus, which stores snapshots of our mental context for later reinstatement. We prop...
17824
Reposted by Peter Kok
Catherine Rampell @crampell.bsky.social · 16/09/2026
European Union’s top official said she would work to make Canada the bloc’s first associate member, a major shift indicative of the new ties traditional U.S. allies are forging with each other in the face of hostility from the Trump administration. www.wsj.com/world/europe...
wsj.com
EU Chief Proposes Making Canada First Associate Member
Her comments came as part of her annual State of the Union speech, in which she set out further plans to boost the bloc’s economy.
1627673
Reposted by Peter Kok
Christopher Honey @chrishoney.bsky.social · 16/09/2026
1/ How do we sustain mental continuity in the face of interruption? @xianl-explorer.bsky.social found that, while people listen to a story, posterior medial cortex expresses a slowly evolving "background" representation of the story's context, which survived through silence and interfering tasks.
A schematic figure showing an evolving timeline of mental context during an interrupted narrative.
26828
Reposted by Peter Kok
Chris Grey @chrisgrey.bsky.social · 16/09/2026
It would be quite 'something' if, after all the talk of leaving the EU to create CANZUK, there ends up being CANZEU without the UK
28421136
Reposted by Peter Kok
Redmond O'Connell @redmondoconnell.bsky.social · 16/09/2026
We're hiring! Applications are invited for a 3-year postdoc position in the labs of Prof Mark Cunningham and @connelllab.bsky.social at the Trinity College Institute of Neuroscience as part of the MAP-IT project investigating the use of OPM-MEG to improve localisation of glioma-associated epilepsy
1139
Reposted by Peter Kok
steven t. piantadosi @spiantado.bsky.social · 15/09/2026
www.dailycal.org/news/campus/...
dailycal.org
UC Berkeley research suggesting upper-class individuals are more likely to snatch children’s candy wins Ig Nobel Prize
UC Berkeley researchers were awarded the 2026 Ig Nobel Prize — a parody Nobel Prize — for research showing that “upper-class” individuals practice more unethical behaviors than “lower-class” individua...
1195
Reposted by Peter Kok
sepex.bsky.social @sepex.bsky.social · 15/09/2026
Job offer: Postdoctoral Researcher in Cognitive Neuroscience (Human Neuroscience Lab, CIMCYC, University of Granada) Os enviamos información sobre una oferta de contrato postdoctoral en el Mind, Brain and Behavior Research Center (CIMCYC, Granada. La Junta Directiva de la SEPEX ***** Síguenos en…
websepex.com
Job offer: Postdoctoral Researcher in Cognitive Neuroscience (Human Neuroscience Lab, CIMCYC, University of Granada)
Os enviamos información sobre una oferta de contrato postdoctoral en el Mind, Brain and Behavior Research Center (CIMCYC, Granada. La Junta Directiva de la SEPEX ***** Síguenos en ***** Bluesky: [@sepex.bsky.social] LinkedIn: X: [@SEPEX13] Facebook: [ Job offer (1) Postdoctoral Researcher in Cognitive Neuroscience The Human Neuroscience Lab ( of the Mind, Brain and Behavior Research Center (CIMCYC, …
1610
Reposted by Peter Kok
Steve Fleming @smfleming.bsky.social · 14/09/2026
Our paper “Confidence is detection-like in high-dimensional spaces” is now published in Open Mind, led by @wiktoriakozyra.bsky.social and @kevingoneill.github.io direct.mit.edu/opmi/article...
direct.mit.edu
Confidence Is Detection-Like in High-Dimensional Spaces
Abstract. Confidence estimates are often “detection-like”—driven by positive evidence in favour of a decision. This empirical observation has been interpreted as showing that human metacognition is li...
15214
Reposted by Peter Kok
Clapton CFC @claptoncfc.co.uk · 10/09/2026
⚽️ Next Women's First Team match ⚽️ Big game at home against the promotion favourites 🔥 📍 Old Spotted Dog Ground, E7 9NP 🚇 7 stations nearby 🎟️ £5 | pay what you can concessions | free U13s 🍻 Bar and food www.claptoncfc.co.uk/2026/09/08/m...
0155
Reposted by Peter Kok
Clapton CFC @claptoncfc.co.uk · 13/09/2026
This afternoon's CCFC lineup to face Camden Town. Kick off at 2pm!
CCFC Starting XI 

1 Ella Bowles 
4 Allana Scoble 
5 Li Steiner 
6 Allan Scoble 
7 Emily Link (C)
8 Egle Trezzi 
11 Maria Mendonca 
12 Aimee Shaw 
18 Lucy Spours 
27 Vee Hayward 
30 Annie Lyons 

Subs

10 Marta Casanovas 
21 Ciara Monahan 
23 Ching Chun
152
Reposted by Peter Kok
Rhodri Cusack @rhodricusack.bsky.social · 10/09/2026
We're hiring! 2 postdocs + 3 PhD students to join InfantNeuroAI at Trinity College Dublin: awake infant fMRI & OPM-MEG, plus computational models of how infants learn. Aims: understand infant visual cognition, infant neuroimaging methods, more energy-efficient learning 🧵 www.cusacklab.org/vacancies
16652
Reposted by Peter Kok
The vOICe vision BCI 🧠🇪🇺 @seeingwithsound.bsky.social · 11/09/2026
The post-hoc montage of perception: deep layers of primary visual cortex encode postdictive percepts www.biorxiv.org/content/10.6... by @pieterbarkema.bsky.social @peterkok.bsky.social et al.; V1 "is involved in the post-hoc revision of perception", through auditory stimuli; #neuroscience
A schematic figure of how V1 at first processes presented visual stimuli, but may later receive an updated percept from STC.
1122
Peter Kok @peterkok.bsky.social · 11/09/2026
I'm very excited about this recent study, led by @pieterbarkema.bsky.social. We find that stimulus representations in the deep layers of V1 can be affected by *later* information: postdiction. See Pieter's thread for more information - and of course the preprint! @jhaarsma.bsky.social #neuroskyence
biorxiv.org
The post-hoc montage of perception: deep layers of primary visual cortex encode postdictive percepts
One of the most puzzling aspects of perception is postdiction: later information can change how a previous stimulus is perceived [1,2]. This indicates that perception is not a livestream of the extern...
05617
Reposted by Peter Kok
Pieter Barkema @pieterbarkema.bsky.social · 11/09/2026
What you see right now is not a livestream, but is delayed & edited by your brain 🧠. The brain uses a short time buffer to rewrite what you thought you saw using info that comes in later (postdiction). We study how (7T fMRI, retinotopy). Read our preprint: www.biorxiv.org/content/10.6... 👀 (1/N)
biorxiv.org
36420
Reposted by Peter Kok
The vOICe vision BCI 🧠🇪🇺 @seeingwithsound.bsky.social · 10/09/2026
Early blindness shifts the feedforward laminar profile of hMT+/V5 from visual to auditory motion www.biorxiv.org/content/10.6... by @olicolli.bsky.social et al.; #neuroscience
Experimental design and acquisition strategy.
1111
Reposted by Peter Kok
Steve Fleming @smfleming.bsky.social · 08/09/2026
Lots of cool stuff in the current issue of @cp-trendscognsci.bsky.social - commentaries and discussion on the phenomenal / access consciousness distinction, origins of geometric thought, homogenising effects of AI on thinking... multiple papers being printed! www.cell.com/trends/cogni...
cell.com
1136
Reposted by Peter Kok
Erwin L. Hahn Institute for MRI @elh-institute.bsky.social · 09/09/2026
▶️ Erwin L. Hahn Lecture & Workshop 2026 | Layer-specific fMRI Explore predictive processing, deep brain anatomy, pain, fear and working memory. With L. Muckli, A. Alkemade, B. Kincses, A. Bouyeure & H. Olraun. 📅 8 Oct | Essen & online 🎟️ Register by 15 Sept: hahn-institute.de/de/info/hahn-lecture
In the background, you can see the venue for the Erwin L. Hahn Lecture & Workshop on 8 October 2026. The fMRI session is announced here.
053
Reposted by Peter Kok
Black Lodge Cult @blacklodgecult.bsky.social · 09/09/2026
16616
Reposted by Peter Kok
Daniel Reznik 🎶 @reznikdaniel.bsky.social · 08/09/2026
Now out in Hippocampus!! 📣💥 We examined anatomical inputs to the hippocampal region in six species - the tenrec, rat, marmoset, cat, macaque, and human - and found that hippocampal processing operates on fundamentally different types of information across species! (1/3) dx.doi.org/10.1002/hipo...
dx.doi.org
Phylogeny of Cortical‐Hippocampal Projections Reveals Selective Elimination of Input From Sensory Regions
The study of cross-species differences in the organization of the cerebral cortex received significant attention during the past century. However, the evolutionary principles governing changes in bra...
27424
Peter Kok @peterkok.bsky.social · 07/09/2026
It's actually real! Lovely to see it in actual print, including @catalinayang.bsky.social's beautiful cover image. Check out the digital, fully open access, version here: royalsocietypublishing.org/rstb/issue/3.... #neuroskyence
Physical copies of the theme issue in a box.
0442