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Effect of chronic iron deficiency on neuropsychological domains in infants
Beatriz Beltrán-Navarro1, Esmeralda Matute, Edgar Vásquez-Garibay
1Instituto de Neurociencias, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico.
Insights
Chronic iron deficiency in infants significantly impacts language, motor skills, and sound perception development. Early iron status is crucial for optimal infant neurodevelopment.
Area of Science:
- Pediatric Nutrition
- Neurodevelopmental Pediatrics
- Infant Psychology
Background:
- Iron deficiency is a global concern affecting infant health.
- Neuropsychological development in early childhood is critical for long-term outcomes.
- The impact of chronic iron deficiency on specific infant cognitive domains requires further elucidation.
Purpose of the Study:
- To evaluate the effects of chronic iron deficiency on neuropsychological traits in Mexican infants.
- To correlate iron status with performance in language, motor skills, and sound perception tasks.
Main Methods:
- Assessed nutritional iron status in 58 Mexican infants aged 14-18 months.
- Utilized Bayley Scales of Infant Development, preschool language scales, and a custom environmental sound perception task.
- Collected sociodemographic data via maternal questionnaires.
Main Results:
- Infants with chronic iron deficiency exhibited significantly lower scores in language, environmental sound perception, and motor measures.
- These deficits were observed when compared to infants with normal iron status at 6 and 14-18 months.
Conclusions:
- Chronic iron deficiency negatively affects infant development in key areas.
- Language, motor skills, and environmental sound perception are sensitive indicators of iron deficiency impacts in infants.
Abstract:
The aim of this study was to assess the effects of chronic iron deficiency on neuropsychological traits in infants. We established the nutritional iron status and assessed the neuropsychological characteristics of 58 Mexican 14- to 18-month-old infants. The Bayley Scales of Infant Development, preschool language scales and an environmental sound perception task designed expressly for the study, were used. The infants' mothers were asked to fill out 2 questionnaires concerning their child's sociodemographic background. Six different neuropsychological domains were analyzed. Results showed that the chronic iron deficiency group did show significantly lower scores on language, environmental sound perception, and motor measures, when compared with infants with normal nutritional iron status at 6 and 14 to 18 months. Our conclusion is that the development of language and motor skills and environmental sound perception appeared to be sensitive to the effects of chronic iron deficiency in infants.
