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Attention lapses due to sleep deprivation due to flushing fluid from brain

(news.mit.edu)
593 points gmays | 1 comments | 31 Oct 25 13:14 UTC | HN request time: 0.242s | source
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JumpCrisscross ◴[31 Oct 25 16:20 UTC] No.45773796[source]▶
Could ADHD be caused by a broken flushing response? Lots of flushing followed by intense focus caused by the tabula rasa?
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1. delecti ◴[31 Oct 25 16:43 UTC] No.45774023[source]▶
I'm not an expert, but that wouldn't really fit with my understanding of ADHD. It's not that we have a lack of attention ("defecit" of attention, as the name suggests), it's an impaired ability to direct it.

To abuse a metaphor, the sleep-deprivation-induced spontaneous CSF flush is slamming on the brakes of a car, and ADHD related attention shifts would be more like a drunk toddler is turning the steering wheel wherever they please, but the gas/brakes still work fine.