martamasilva.bsky.social
Marta Silva
@martamasilva.bsky.social
160 followers 160 following 1 posts
Postdoc at Columbia University. Researching the neural mechanisms behind memory formation using electrophysiology. (She/Her)
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martamasilva.bsky.social
Marta Silva @martamasilva.bsky.social · Jul 1
🧠 Paper out!

We investigated how hippocampal and cortical ripples support memory during movie watching. We found that:

🎬 Hippocampal ripples mark event boundaries
🧩 Cortical ripples predict later recall

Ripples may help transform real-life experiences into lasting memories!

rdcu.be/eui9l
Movie-watching evokes ripple-like activity within events and at event boundaries
Nature Communications - The neural processes involved in memory formation for realistic experiences remain poorly understood. Here, the authors found that ripple-like activity in the human...
rdcu.be
8 67 150
martamasilva.bsky.social
Marta Silva @martamasilva.bsky.social · Jul 1
🧠 Paper out!

We investigated how hippocampal and cortical ripples support memory during movie watching. We found that:

🎬 Hippocampal ripples mark event boundaries
🧩 Cortical ripples predict later recall

Ripples may help transform real-life experiences into lasting memories!

rdcu.be/eui9l
Movie-watching evokes ripple-like activity within events and at event boundaries
Nature Communications - The neural processes involved in memory formation for realistic experiences remain poorly understood. Here, the authors found that ripple-like activity in the human...
rdcu.be
8 67 150
Reposted by Marta Silva
gedankien.bsky.social
Tamara Gedankien @gedankien.bsky.social · May 14
Hi Bluesky! First post here. Kicking things off with a new preprint.

🧠 Using human iEEG + pharmacology, we asked: is hippocampal theta required for retrieval?

Turns out it’s not. Instead, it may reflect a reinstated encoding mode.

Thread below.
www.biorxiv.org/content/10.1...
Cholinergic blockade reveals role for human hippocampal theta in encoding but not retrieval
Cholinergic dysfunction is a hallmark of Alzheimer's disease and other memory disorders. Yet, the neurophysiological mechanisms linking cholinergic signaling to memory remain poorly understood. In thi...
www.biorxiv.org
1 12 31
Reposted by Marta Silva
lucakolibius.bsky.social
Luca Kolibius @lucakolibius.bsky.social · Mar 5
New manuscript published! ✍️👀

Concept neurons evolve from index neurons through overlapping memories.

Check it out here: www.cell.com/trends/cogni... 1/15
On the origin of memory neurons in the human hippocampus
The hippocampus is essential for episodic memory, yet its coding mechanism remains debated. In humans, two main theories have been proposed: one suggests that concept neurons represent specific elemen...
www.cell.com
2 30 110
Reposted by Marta Silva
chrisbaldassano.bsky.social
Chris Baldassano @chrisbaldassano.bsky.social · Jan 27
After years of work designing and running this study with a multi-University team, we have our first preprint 🎉🎉 showing how a memorization technique builds neural representations through conjunctive representations! See thread and preprint link ⬇️
huangjiawen.bsky.social
Jiawen Huang @huangjiawen.bsky.social · Jan 27
New preprint with Akshay Manglik, Nick Dutra, Hannah Tarder-Stoll, @tchamberlain.bsky.social, Robert Ajemian, @qiongzhang.bsky.social, @ptoncompmemlab.bsky.social, @chrisbaldassano.bsky.social looking at conjunctive representation during Method of Loci! www.biorxiv.org/content/10.1...
Binding items to contexts through conjunctive neural representations with the Method of Loci
Schematic prior knowledge can provide a powerful scaffold for episodic memories, yet the neural mechanisms underlying this scaffolding process are still poorly understood. A crucial step of the scaffo...
www.biorxiv.org
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