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A Chemical Mind

Nicholas Kircher

A Chemical Mind is a long-form publication on the history of science, with a special focus on neuroscience & medicine; plus side-quests into cybernetics, economics, and much else besides. Upgrade today for access to valuable extras!

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Substack
PricingOnly free issuesPublishesWeekly
Issues77Founded3 years agoLast Issuea month ago
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chemicalmind.substack.com
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Latest Issues

Quick Notes on Brain Simulations

A track followed by the fruit fly in one of my latest simulation runs

Neural networks are fascinating things. In AI, these networks are relatively simple: it’s basically a layer-cake of nodes - “neurons” - which take numbers as input, and...

a month ago
9
4

The Myths of Serotonin & Depression

TLDR: Serotonin has no association with depression whatsoever. Instead, some cases are thought to be caused by reduced neuroplasticity during chronic periods of stress (mediated by the HPA axis and cortisol), resulting in a reduction in BDN...

4 months ago
18

The Myths of Dopamine

I know you’ve heard of it.

“Dopamine.”

It’s supposedly a chemical in the brain that causes pleasure, right?

I mean, everyone says so. Even Harvard says so, and surely we can trust Harvard, right?

No, sadly, this most perpetuated of co...

4 months ago
79
28

Saving "Disorder"

Note: I am not a doctor (I didn’t even finish High School) and none of this should be taken seriously let alone be considered medical advice, or in any way accurate, rational, logical, grammatically correct, or even comprehensible, and sh...

5 months ago
22
6

You wouldn't SIMULATE a fruit fly?

It feels kinda funny, looking at this thing as she hops along in her virtual world.

As far as I can reasonably tell, she’s not aware that she isn’t biological. I didn’t want to say “not real”, because she’s probably about as real as she co...

6 months ago
11
1

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  • Nicholas Kircher

    Founder, Engineer, Brain-Nerd | Creator of BlockedStack | I deny your common wisdom and substitute the uncommon

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