After 150 years of boring wooden Galton boards, I finally fixed it!
Now with lasers, bazookas, bombs, pinball bumpers, and extremely serious sci-fi hamsters.
🎯 EXTREME GALTON 👇
sachaepskamp.com/extreme_galton
🔥 We're very pleased to release our latest study 🧠: "Temporal structure of the language hierarchy within small cortical patches"
Paper → arxiv.org/abs/2604.03021
🧵 Summary thread below: 1/7
📢 BREAKING! TiCS just published a paper by @lamalab.bsky.social and me that synthesizes co-registration (and related) studies of reading that resolve the apparent paradox that the eyes move faster through the text than the brain can understand it!
I’m excited to share our new work, led by grad student Rajvi Agravat, using iEEG in 54 pediatric, adolescent, & young adult participants with deep neural network audio source separation to show how the brain prioritizes speech in audio containing both speech and music www.biorxiv.org/content/10.6...
Map of stimulation sites resulting in pulvinar anomia
During direct pulvinar stimulation we reliably induced profound anomia, with patients unable to name common objects and exhibiting tip-of-the-tongue phenomena, confirming pulvinar’s role as a critical node of the distributed naming network. End/🧵
Connectivity maps of cortico-pulvinar interactions
There was strong bidirectional connectivity in this band between pulvinar and cortical sites across ventral temporal cortex, regions we have previously shown are critical for naming function. 4/🧵
Spectrograms of pulvinar activity during naming and non-naming language tasks
We found pulvinar showed a selective low frequency (8-20Hz) suppression during naming, but not other non-naming language tasks. This was highly repeatable across patients and tasks. 3/🧵
Diagrams of electrodes placed in the thalami of eight patients
Our ability to retrieve names of objects is a fundamental aspect of language. Due to inaccessibility in humans, subcortical contributions to this process remain unclear. We used the rare opportunity to record directly from the pulvinar nucleus in 8 patients while they performed naming tasks. 2/🧵
Out now in #JNeurosci! We used direct recordings and stimulation in human pulvinar to probe its causal role during naming from pictures, and spoken and written descriptions. We found naming-selective responses and stim-induced pure anomia.
doi.org/10.1523/JNEU...
#NeuroSkyence #iEEG
🧵👇
If you are in Houston - or want to travel - join us at Rice Thursday March 12-14 for DeLange XIV: Brains in Society: Preparing for Neuroscience’s Impact on our everyday lives. DeLange.rice.edu
cool people, follow them!
I built a bluesky labeler for neuroscience methods.
1️⃣ follow/subscribe to: @neuromethods.bsky.social
2️⃣ like the post with your favorite method
➡️ get a shiny methods label in your profile/posts. 🌟
