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Breakfast omission and cognitive performance of normal, wasted and stunted schoolchildren
I López1, I de Andraca, C G Perales
1Unidad de Neuropsicología, Universidad de Chile, Santiago.
Insights
Skipping breakfast did not impact children's cognitive performance in memory, problem-solving, or attention tasks. However, stunted children consistently scored lower on attention, regardless of breakfast intake.
Area of Science:
- Child Nutrition and Cognitive Development
- Pediatric Health and Performance
Background:
- Breakfast consumption is often considered crucial for children's cognitive function.
- Socioeconomic status and nutritional status can influence cognitive abilities in children.
Purpose of the Study:
- To investigate the impact of breakfast omission on cognitive performance in children from low socioeconomic backgrounds.
- To examine whether nutritional status (normal, wasted, stunted) moderates the effects of breakfast omission on cognition.
Main Methods:
- A study involving 279 children (aged 8-10) from low socioeconomic backgrounds.
- Cognitive performance was assessed using microcomputer-based tasks (visual memory, problem-solving, attention) after overnight fasting or a standard breakfast.
- Children were categorized by nutritional status: normal, wasted, or stunted.
Main Results:
- No significant association was found between breakfast omission and cognitive performance across all nutritional groups.
- Stunted children exhibited significantly lower scores on attention tasks, independent of breakfast intake.
- Nutritionally affected children did not display increased vulnerability to fasting but showed specific cognitive deficits.
Conclusions:
- Breakfast omission does not appear to impair cognitive performance accuracy in children under motivating, routine conditions.
- Nutritional deficits, particularly in stunted children, are associated with specific cognitive impairments, notably in attention.
- Early identification and intervention for nutritional deficits are crucial for addressing cognitive development in vulnerable children.
Abstract:
This study focuses on the effects of breakfast omission on cognitive performance. We studied 279 children from low socioeconomic level background ranging in age from 8 years 7 months to 10 years 11 months, categorized nutritionally as: normal, wasted or stunted. Evaluation comprised three cognitive tasks designed to be applied with a microcomputer. Assessment took place in their natural setting, after a mean of 14 h of overnight fasting, some having received a standard breakfast at random while the remaining children continued a fasting situation. We found no consistent association between study condition and performance in short-term visual memory, problem solving and attention tasks in any of the three nutritional groups. Stunted children showed significantly lower scores in the attention test irrespective of having received breakfast or not. These results suggest that given a motivating short-term task and maintaining routine conditions, missing breakfast does not affect the accuracy of the cognitive performance of children. Nutritionally affected children did not show a particular vulnerability to the fasting condition, but did show a specific cognitive deficit.