One-time treatment generates new neurons, eliminates Parkinson's disease in mice

submitted by magnora7 from sciencedaily.com

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[–]Canbot 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

So are these circuits mostly isolated from each other? Is that why we have memories tied to emotional states.

[–]magnora7[S] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

Yes the circuits are mostly isolated from each other, but they do overlap.

The emotional memories thing is because of how our amygdala and thalamus store information, as compared to the rest of our info that's stored in the cerebral cortex. Only mammals have this amygdala and thalamus structure, and reptiles don't.

Here's an image that shows a few different neurotransmitter chemicals and the locations the associated neurons have in the brain: https://www.researchgate.net/publication/324477277/figure/fig4/AS:614568283877377@1523535905165/Overview-of-distributions-for-dopamine-norepinephrine-and-serotonin-receptors.png

This is also why taking different drugs has different psychoactive effects