<p>I have heard that "90% of information flow in the brain (or maybe it was just the visual cortex) is top-down".  I'm not sure if this claim is substantiated, but I do get the impression that there is strong evidence that at least most of the information flow is top-down.  I'd like to know as specifically as possible what current theories in neuroscience say is going on here.  I'd appreciate details and reputable academic works.</p>

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2014-01-17T04:07:35.173Z
Why is this question tagged with [tag:reproducible-research]? It has nothing to do with that tag.
Artem Kaznatcheev
<reproducible-research>
What is the current state of knowledge on the roles and mechanisms of top-down information flow in the brain?
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# What is the current state of knowledge on the roles and mechanisms of top-down information flow in the brain?

(Asked by: username_0 on 2014-01-17)

I have heard that "90% of information flow in the brain (or maybe it was just the visual cortex) is top-down". I'm not sure if this claim is substantiated, but I do get the impression that there is strong evidence that at least most of the information flow is top-down. I'd like to know as specifically as possible what current theories in neuroscience say is going on here. I'd appreciate details and reputable academic works.

**Tags:** reproducible-research

> **Comments:**
> **username_1**: Why is this question tagged with [tag:reproducible-research]? It has nothing to do with that tag.  

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