Relations (1)

related 2.00 — strongly supporting 3 facts

Sleep quality and cognitive flexibility are linked through research showing that poor sleep quality negatively impacts cognitive flexibility and set-shifting performance [1], [2]. This relationship is further modulated by cultural factors, where poor sleep quality exacerbates deficits in cognitive flexibility tasks like the Wisconsin Card Sorting Test [3].

Facts (3)

Sources
Investigating the impact of sleep quality on cognitive functions ... frontiersin.org Frontiers 3 facts
claimCultural factors such as conformity and adherence to rules influence cognitive flexibility and set-shifting abilities in Japanese students, which exacerbates the impact of poor sleep quality on Wisconsin Card Sorting Test (WCST) performance.
claimThere is a stronger negative relationship between sleep quality and cognitive flexibility and set-shifting abilities in Tokyo compared to London.
claimHigher Pittsburgh Sleep Quality Index (PSQI) scores are associated with lower Wisconsin Card Sorting Test (WCST) scores, indicating that poorer sleep quality is linked to poorer cognitive flexibility and more perseverative errors.