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Marta Silva

@martamasilva.bsky.social
211 followers 193 following 3 posts

Postdoc at Chicago University. Researching the neural mechanisms behind memory formation using electrophysiology. (She/Her)

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Marta Silva @martamasilva.bsky.social · 12/08/2026
Check out our new paper! 🧠 Me, @xiongbowu.bsky.social and @fuentemilla.bsky.social review how reactivation at the end of events support memory formation and propose it serves multiple functions from preventing interference to helping preserve temporal continuity! ✨ www.cell.com/trends/cogni...
cell.com
Neural reactivation supports memory formation when events end
Memory routinely transforms continuous experience into discrete episodes that support flexible retrieval. We propose that these structured representations are established via rapid neural reactivation...
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Reposted by Marta Silva
Ben Griffiths @benjamingriffiths.bsky.social · 30/04/2026
New paper out in J. Neuro! We used MEG and pattern classifiers to ask: if a memory is reactivated in the brain, does that mean you'll recall it? Short answer: no. www.jneurosci.org/content/46/1... Read on for the details! [1/7] #neuroscience #memory
jneurosci.org
Alpha Oscillations Track the Projection of Reactivated Memories into Conscious Awareness
By definition, episodic memory is a conscious phenomenon. Memory traces reactivated by the hippocampus and reinstated in the sensory cortices need to enter conscious awareness for them to be re-experi...
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Marta Silva @martamasilva.bsky.social · 01/07/2025
🧠 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
rdcu.be
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...
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Reposted by Marta Silva
Tamara Gedankien @gedankien.bsky.social · 14/05/2025
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...
biorxiv.org
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...
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Reposted by Marta Silva
Luca Kolibius @lucakolibius.bsky.social · 05/03/2025
New manuscript published! ✍️👀 Concept neurons evolve from index neurons through overlapping memories. Check it out here: www.cell.com/trends/cogni... 1/15
cell.com
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...
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Reposted by Marta Silva
Chris Baldassano @chrisbaldassano.bsky.social · 27/01/2025
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 ⬇️
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