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.
Sources
- How does the brain catch up? - American Psychological Association (apa.org)
- https://pubmed.ncbi.nlm.nih.gov/10716202/ (pubmed.ncbi.nlm.nih.gov)
- https://www.ovid.com/jnls/neuroreport/abstract/00001756-199912160-00004~sleep-deprivation-induced-reduction-in-cortical-functional?redirectionsource=fulltextview (ovid.com)
- https://www.sciencedirect.com/science/article/abs/pii/S0893133X01003256 (sciencedirect.com)
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