The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
But the important question is to say, why is that? And the reason that's the case is because when something very bad happens, there's the release of two sets of neuromodulators in the brain, epinephrine which tends to make us feel alert and agitated, which is associated with most bad circumstances. And acetylcholine, which tends to create a even more intense and focused perceptual spotlight.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
but these three neurochemicals together, acetylcholine, epinephrine and dopamine really allow you to get focused, to focus very precisely, and in fact, increasingly precisely over time to really narrow and narrow and narrow your focus progressively within a single about of focus and to continue to do that and to be able to do that repeatedly whenever you want.
it's epinephrine creates the alertness that's coming from a subset of neurons in the brainstem, if you're interested, and acetylcholine coming from an area of the forebrain is tagging or marking the neurons that are particularly active during this heightened level of alertness.
Epinephrine, which tends to make us feel alert and agitated, which is associated with most bad circumstances, and acetylcholine, which tends to create a even more intense and focused perceptual spotlight.