A verbal-learning study published in Nature (Vol. 403) in February 2000 found that prefrontal brain areas remained active after sleep deprivation while parietal-lobe activity increased.
Notes on verification
Directly confirmed by the original Nature publication (Drummond et al., 2000, Vol. 403, pp. 655-657) and corroborated by PubMed listing and multiple secondary sources including reviews by the same research group.
Sources
- How does the brain catch up? - American Psychological Association (apa.org)
- https://www.nature.com/articles/35001068 (nature.com)
- https://pubmed.ncbi.nlm.nih.gov/10688201/ (pubmed.ncbi.nlm.nih.gov)