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Ella Say @ellasay.bsky.social · 06/04/2026

Proud and excited to be a part of this work!

Reposted by Ella Say

Mari Sosa @marisosa.bsky.social · 03/04/2026

It was an honor to be part of this work! Getting the sparse knockout in CA1 to work with dual color 2p imaging — letting us compare Syntaxin3-KO cells to WT cells in the same animal — was particularly challenging and fun 😄

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Reposted by Ella Say

Mark Plitt @markplitt.bsky.social · 03/04/2026

My final paper from grad school is out! Thank you to @marisosa.bsky.social @ellasay.bsky.social and my co-first author Konstantin Kaganovsky! We show that reward and novelty coding in the hippocampus requires a specific membrane fusion protein implicated in activity-dependent AMPAR mobilization!

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Reposted by Ella Say

Mari Sosa @marisosa.bsky.social · 22/09/2025

The Sosa Lab website is now live! www.sosaneurolab.com We will be seeking a postdoctoral researcher to join the growing team! If you are a rodent neuroscientist and interested in doing systems neuro work in the mountains 🏔️, please check out the "Join" page.

sosaneurolab.com

Sosa Lab

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Reposted by Ella Say

Mari Sosa @marisosa.bsky.social · 12/06/2025

It's officially published!! In my main postdoc work with @markplitt.bsky.social and @lgiocomo.bsky.social, we found that the hippocampus simultaneously encodes an animal's spatial position and its experience relative to reward in parallel population codes. 🧵 www.nature.com/articles/s41...

nature.com

A flexible hippocampal population code for experience relative to reward - Nature Neuroscience

Sosa et al. find that hippocampal neural activity in mice encodes both environmental location and experience relative to rewards, spanning distances far from reward, through parallel and flexible popu...

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