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Updated: Jan 8, 2026

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
Published on: July 29, 2020
Middle-school students who consumed school breakfast perform better on tasks assessing cognitive flexibility and
Heather J Leidy1, Steve M Douglas2, Naiman A Khan3
1Department of Nutritional Science & Department of Pediatrics, Dell Medical School, University of Texas at Austin, Austin, TX, USA.
Students eating school breakfast showed better cognitive flexibility and executive function than those skipping or eating at home. School breakfast is crucial for low-income middle schoolers' cognitive performance.
Area of Science:
- Nutrition Science
- Cognitive Neuroscience
- Adolescent Health
Background:
- Breakfast consumption is linked to improved cognitive function in children.
- Less is understood about breakfast's impact on adolescent cognition, specifically the role of meal location.
- Low-income adolescents may face unique challenges influencing breakfast habits and cognitive outcomes.
Purpose of the Study:
- To investigate if school breakfast or home breakfast consumption leads to better cognitive performance compared to skipping breakfast.
- To examine these effects in urban middle-school students from low-income households.
Main Methods:
- A cross-sectional study involving 236 urban middle-school students.
- Students were categorized based on breakfast habits: school breakfast (SCHOOL), home breakfast (HOME), both (BOTH), or skipped (SKIP).
- Cognitive performance was assessed using a computerized test (CNS Vital Signs) three hours after school began.
Main Results:
- Students eating school breakfast (SCHOOL) demonstrated significantly higher cognitive flexibility and executive function compared to those who skipped breakfast (SKIP).
- The SCHOOL group also showed higher cognitive flexibility than the HOME group and higher executive function than the BOTH group.
- No significant differences were found in other cognitive measures or between SCHOOL and BOTH groups for cognitive flexibility.
Conclusions:
- Consuming breakfast at school is associated with enhanced cognitive performance in select areas for middle-school students from low-income backgrounds.
- These findings underscore the importance of school breakfast programs in supporting academic success for vulnerable student populations.
- Interventions promoting school breakfast may positively impact adolescent cognitive function and academic potential.
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