Zachary Friedenberger

A Clever Title Is All You Need

12.06.2025 18:39 — 👍 3    🔁 0    💬 0    📌 0

A prospective code for value in the serotonin system - Nature Merging ideas from reinforcement learning theory with recent insights into the filtering properties of the dorsal raphe nucleus, a unifying perspective is found explaining why serotonin neurons are ac...

I'm excited to share that the last chapter of my PhD thesis is now published in Nature! 🍾

What drives serotonin neurons? We think it's the expectation of future reward and --- critically --- how fast this expectation is increasing. 📈

doi.org/10.1038/s415...

1/6

27.03.2025 21:04 — 👍 133    🔁 46    💬 9    📌 3

Teaser for COSYNE2025 poster titled "A prospective code for value in the serotonin system".

What makes serotonin neurons tick?

Stop by #COSYNE2025 poster 1-116 on Thursday to hear about how an energy-efficient code for value explains the in vivo responses of serotonin neurons to rewards and punishments. 1/3

24.03.2025 12:38 — 👍 12    🔁 3    💬 1    📌 0

How to put all complexity in a single drawing? Here's my take, with catastrophes (the folded surface), ecosystems, computation (Turing Machine), turbulence, collective intelligence, nonlinear dynamics and chaos, evolution, viruses, networks and time. And a little touch of Santa Fe NM

11.03.2025 18:24 — 👍 40    🔁 15    💬 0    📌 0

Post a photo you took with no context to bring some zen to the timeline.

11.03.2025 11:30 — 👍 12    🔁 1    💬 0    📌 1