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Sleep and Psychosocial Characteristics of Children with Narcolepsy According to Their Intellectual Profile: A
Marine Thieux1, Min Zhang1, Agathe Marcastel2
1Lyon Neuroscience Research Center, INSERM, U1028, CNRS, UMR5292, 69500 Lyon, France.
Insights
Children with narcolepsy and high intellectual potential (HIQ) show distinct cognitive profiles compared to controls. Normal intellectual potential (NIQ) in narcolepsy may indicate greater daily-life challenges.
Area of Science:
- Neuroscience
- Pediatric Sleep Medicine
- Developmental Psychology
Background:
- Intellectual abilities are recognized as a protective factor for psychosocial adjustment in chronic health conditions.
- Narcolepsy, a chronic neurological disorder, can impact various aspects of a child's life, including cognitive and psychosocial functioning.
- Understanding the interplay between intellectual capacity, cognitive function, and psychosocial well-being in pediatric narcolepsy is crucial for effective management.
Purpose of the Study:
- To compare cognitive abilities, sleep patterns, and psychosocial characteristics between children with narcolepsy and healthy controls.
- To investigate these differences based on the intellectual profile of the children, specifically high intellectual potential (HIQ) versus normal intellectual potential (NIQ).
Main Methods:
- Children with narcolepsy and age-matched controls were recruited.
- Participants underwent polysomnography (sleep study) and intellectual ability assessments.
- Standardized questionnaires were used to evaluate psychosocial characteristics and daily functioning.
Main Results:
- Children with narcolepsy in the high IQ (HIQ) group exhibited a lower perceptual reasoning index and fewer conduct disorders compared to HIQ controls.
- Children with narcolepsy in the normal IQ (NIQ) group showed similar intellectual profiles to NIQ controls but reported increased school difficulties.
- Intellectual potential appears to moderate the cognitive and psychosocial impact of narcolepsy in children.
Conclusions:
- In children with high intellectual potential, narcolepsy is associated with a distinct cognitive profile compared to controls.
- Normal intellectual potential in children with narcolepsy may predict a more significant impact on daily-life functioning.
- Tailored interventions considering intellectual abilities are essential for supporting children with narcolepsy.
Abstract:
Adequate intellectual abilities are a protective factor for psychosocial adjustments in chronic disorders. The main objective of this study was to assess the cognitive abilities, sleep, and psychosocial characteristics of children with narcolepsy compared to controls, according to their intellectual profile. Children underwent a polysomnography, completed an intellectual ability assessment, and filled out standardized questionnaires. The group with an intelligence quotient (IQ) in the area of high intellectual potential (high IQ, HIQ) consisted of 25 children with narcolepsy (HIQ-N, 40% boys, median age 11.5 years, 48% with obesity, 60% under treatment) and 25 controls (HIQ-C, 68% boys, median age 11.7 years). Compared to HIQ-C, HIQ-N had a lower perceptual reasoning index and fewer conduct disorders. The group with an IQ in the normal range (NIQ) consisted of 22 children with narcolepsy (NIQ-N, 55% boys, median age 12.1 years, 59% with obesity, 64% under treatment) and 21 controls (NIQ-C, 68% boys, median age 10 years). NIQ-N presented the same intellectual profile as NIQ-C but reported more school difficulties. In children with HIQ, those with narcolepsy appear to have a different cognitive profile than controls. NIQ seems to predict a greater impact of narcolepsy on daily-life functioning.
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