Neuroscientists Have Been Misreading Brain Scans for Decades
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Neuroscientists have long assumed that when a brain region becomes more active, more blood flows to it. That assumption is the entire basis of functional magnetic resonance imaging. A new paper now says it's wrong for about 40% of the signals, and it isn't the only recent study to find that a lot of what we thought we knew about the brain rests on bad measurements. Let's take a look.
#science #neuroscience #sciencenews #brain #health
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Neuroscientists have long assumed that when a brain region becomes more active, more blood flows to it. That assumption is the entire basis of functional magnetic resonance imaging. A new paper now says it's wrong for about 40% of the signals, and it isn't the only recent study to find that a lot of what we thought we knew about the brain rests on bad measurements. Let's take a look.
#science #neuroscience #sciencenews #brain #health
?T-shirts, mugs, posters and more: ➜ https://sabines-store.dashery.com/
? Support me on Donorbox ➜ https://donorbox.org/swtg
? Transcript with links to references on Patreon ➜ https://www.patreon.com/Sabine
? Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/
? Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsletter/
? Audio only podcast ➜ https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
? Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
? Buy my book ➜ https://amzn.to/3HSAWJW
Sabine Hossenfelder
As simple as possible, but not any simpler! Science and technology updates and summaries. No hype, no spin, no tip-toeing around inconvenient truths. Currently 5 videos a week (Tue-Wed-Thu and Sat-Sun). Early access for channel members.
Sabine Hossenfeld...