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Spooky Science Sisters

Spooky True Crime Vol. 4: The Neuroscience of Serial Killers

October 4, 202551 min · 7,737 words

Show notes

It's time for another dive into Spooky True Crime, and in this volume we're taking a look at the science that might explain why some people turn into one of the worst types of monsters. Maybe it's just all in their heads. ** WE WROTE A BOOK! And you can buy it here: ⁠⁠⁠⁠⁠⁠ Also, you can find information about our upcoming book events here: ⁠⁠⁠ ** Want to listen without the ads? Check out our Patreon, where you can get ad-free episodes & more!

Highlighted moments

So someone who has trouble feeling empathy for others, but like still behaves in socially acceptable ways. So, like, it's lucky for everybody else. And also, like, is that the worst thing? Like, don't you sometimes wish you felt less empathy for people?
On test day, participants were given a mixture of amino acids that lacked tryptophan, which is the building block for serotonin. And then on placebo day, they were given the exact same diet, only that one had the normal amount of tryptophan.
they excluded people who suffered from brain injuries or from psychiatric disorders like schizophrenia. So like they want to narrow it down to like just physiological structural differences in the brain, like not any sort of secondary issue that could be at play.

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