Sarthak Chandra
@sarthakc.bsky.social
📤 119
📥 48
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Research Scientist @ MIT
pinned post!
1/ Our paper appeared in @Nature today!
www.nature.com/articles/s41...
w/ Fiete Lab and
@khonamikail.bsky.social
. Explains emergence of multiple grid cell modules, w/ excellent match to data! Novel mechanism for applying across vast systems from development to ecosystems. 🧵👇
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Global modules robustly emerge from local interactions and smooth gradients - Nature
The principle of peak selection is described, by which local interactions and smooth gradients drive self-organization of discrete global modules.
https://www.nature.com/articles/s41586-024-08541-3
7 months ago
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reposted by
Sarthak Chandra
Blake Richards
6 months ago
Two cool papers out in Neuron today on memory. 1. Animals can be trained to activate specific remote memories at will:
www.cell.com/neuron/fullt...
2. Interactions between cortex and amygdala during reactivation in NREM sleep help enhance perceptual memories:
www.cell.com/neuron/fullt...
🧠📈 🧪
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Closed-loop modulation of remote hippocampal representations with neurofeedback
Animal models of memory retrieval trigger retrieval with cues and measure retrieval using behavior. Coulter et al. developed a neurofeedback paradigm that rewards hippocampal activity patterns associa...
https://www.cell.com/neuron/fulltext/S0896-6273(24)00923-1
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1/ Our paper appeared in @Nature today!
www.nature.com/articles/s41...
w/ Fiete Lab and
@khonamikail.bsky.social
. Explains emergence of multiple grid cell modules, w/ excellent match to data! Novel mechanism for applying across vast systems from development to ecosystems. 🧵👇
loading . . .
Global modules robustly emerge from local interactions and smooth gradients - Nature
The principle of peak selection is described, by which local interactions and smooth gradients drive self-organization of discrete global modules.
https://www.nature.com/articles/s41586-024-08541-3
7 months ago
2
97
34
1/ Super-excited to share our new work “Episodic and associative memory from spatial scaffolds in the hippocampus”, that just appeared in Nature!
www.nature.com/articles/s41...
Key insights and ideas 👇#tweeprint
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Episodic and associative memory from spatial scaffolds in the hippocampus - Nature
A neocortical–entorhinal–hippocampal network model based on grid cell states recapitulates experimental results and reconciles the spatial, associative and episodic memory roles of the hippocampus.
https://www.nature.com/articles/s41586-024-08392-y
8 months ago
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