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nottorp • yesterday at 12:59 PM • 1 reply • view on HN

Anything that forces you to use your brain rewires the brain and slows cognitive decline, i'd think.

Anything that's not passive "content consumption" perhaps.


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smugglerFlynn • yesterday at 2:04 PM

This "passive consumption" needs disambiguation, though.

What separates "I see colorful moving things" [watching birds] from "I see colorful moving things" [social media reels] is not the perceived passiveness but passiveness in the psychological sense.

Watching birds is active attention: you scan, predict, analyze. You get random, sparse rewards for it. Importantly, birdwatching is mostly nothing happening, which leaves room for your mind to wander - and wandering is the thing that's apparently really good for the brain.[1]

[1] - Moshe Bar, Mindwandering (2022), Michael Corballis, The Wandering Mind: What the Brain Does When You’re Not Looking (2015) and different related research papers

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