Neuroscience is in big trouble
Sabine Hossenfelder
Aug 12, 2026 15:00
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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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Science & Technology
#hossenfelder
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#replication crisis
#reproducibility crisis
#questionable research practices
#underpowered studies
#false positives
#publication bias
#junk science
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#neuroimaging
#brain scan
#blood oxygen level dependent
#BOLD signal
#cognitive neuroscience
#fmri