Journal
BRAIN SCIENCES
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/brainsci12101289
Keywords
restless sleep disorder; selective attention; pediatrics; executive functions
Categories
Funding
- Italian Ministry of Health Ricerca Corrente (RC) [27773798]
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This study evaluated neurocognitive functions in 13 children diagnosed with restless sleep disorder. The results showed that these children performed poorly in selective attention. The findings suggest that restless sleep disorder affects cognitive functions in children and clinicians should intervene early to prevent cognitive impairments.
Restless sleep disorder affects children and is characterized by frequent nocturnal movements, iron deficiency, and daytime symptoms such as poor school performance or behavioral problems. Although sleep parameters have been thoroughly studied and daytime sleepiness has been previously assessed, neurocognitive and executive functions have not. In this study, we evaluated neurocognitive functions in a group of 13 children diagnosed with restless sleep disorder using the National Institute of Health Toolbox (NIH toolbox). The mean age was 10.62 (S.D. 2.785). Among them, seven were male and six were female. The fully corrected T-scores (adjusted for demographic variables: age, ethnicity, and education level) showed the lowest values for the Flanker test (selective attention) and dimensional change card sorting test (cognitive flexibility and inhibitory control), with a very large effect size vs. the corresponding expected frequencies. For all the other tests, the average scores were 50; however, individual children scored low on pattern recognition and two composite scores (fluid and total). In conclusion, these data support the fact that cognitive functions are affected in children with restless sleep disorder, especially selective attention. Clinicians must recognize sleep disorders and daytime impairment in order to promptly intervene and prevent cognitive impairments.
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