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The variability of functional MRI brain signal increases in Alzheimer's disease at cardiorespiratory frequencies.
Tuovinen T, Kananen J, Rajna Z, Lieslehto J, Korhonen V, Rytty R, Mattila H, Huotari N, Raitamaa L, Helakari H, Elseoud AA, Krüger J, LeVan P, Tervonen O, Hennig J, Remes AM, Nedergaard M, Kiviniemi V. Tuovinen T, et al. Among authors: rytty r. Sci Rep. 2020 Dec 9;10(1):21559. doi: 10.1038/s41598-020-77984-1. Sci Rep. 2020. PMID: 33298996 Free PMC article.
The relative brain signal variability increases in the behavioral variant of frontotemporal dementia and Alzheimer's disease but not in schizophrenia.
Tuovinen T, Häkli J, Rytty R, Krüger J, Korhonen V, Järvelä M, Helakari H, Kananen J, Nikkinen J, Veijola J, Remes AM, Kiviniemi V; Frontotemporal Lobar Degeneration Neuroimaging Initiative. Tuovinen T, et al. Among authors: rytty r. J Cereb Blood Flow Metab. 2024 Dec;44(12):1535-1549. doi: 10.1177/0271678X241262583. Epub 2024 Jun 19. J Cereb Blood Flow Metab. 2024. PMID: 38897598 Free PMC article.