In the UCSD sleep deprivation study, fMRI showed less activity in the prefrontal cortex during a sleep-deprived arithmetic task, a region associated with working-memory functioning.
Notes on verification
Confirmed by peer-reviewed publication (NeuroReport 1999) and APA Monitor coverage, with additional corroboration in follow-up neuroimaging literature. [tier=gold indep_score=0.983 clusters=3 claim_tier=notable]
Sources
- How does the brain catch up? - American Psychological Association (seed:psychology_and_neuroscience)
- https://pubmed.ncbi.nlm.nih.gov/10716202/ (corroboration)
- https://www.ovid.com/jnls/neuroreport/abstract/00001756-199912160-00004~sleep-deprivation-induced-reduction-in-cortical-functional?redirectionsource=fulltextview (corroboration)
- https://www.sciencedirect.com/science/article/abs/pii/S0893133X01003256 (corroboration)