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Guillaume Bellec Profile picture
Guillaume Bellec
@BellecGuill
Postdoc researcher interested in neuroscience and machine learning. Currently working at EPFL with Wulfram Gerstner.
Oct 1, 2022 • 12 tweets • 5 min read
This movie about the @HumanBrainProj is well done but thousands of PhDs (like me) were funded with this ~1B grant and never worked on Markram's Human Brain Simulation.

Here is my perspective on what truly happened inside this gigantic European research program 🧵 1/12 The EU decided 10 years ago to fund massive Flagship projects. Research grants worth a billion are extremely rare in Europe.

Out of the first call two proposals got funded: The Human Brain Project (HBP) and Graphene.

The HBP started in 2013.
digital-strategy.ec.europa.eu/en/activities/…
Nov 18, 2021 • 11 tweets • 5 min read
Why spiking neural networks?

There are interesting prospects for engineering applications, but let's not forget that spiking neurons are precise models of biological neurons.

In a paper accepted at #NeurIPS2021 we use back-prop in spiking RNNs to fit cortical data 1/8 Given that the biological network is

(1) strongly recurrent and
(2) some neurons are not recorded,

this is a profound statistical problem for which the best existing formalizations are still based on GLMs with the max. likelihood (MLE, @jpillowtime). 2/8