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Título
Postprandial effects of breakfast glycaemic index on cognitive performance among young, healthy adults: A crossover clinical trial
Autor(es)
Materia
Breakfast
Glycaemic index
Postprandial period
Cognitive performance
Verbal memory
Phonological fluency
Attention
Executive functions
Fecha de publicación
2020
Citación
Natalia Sanchez-Aguadero, Jose I. Recio-Rodriguez, Maria C. Patino-Alonso, Sara Mora-Simon, Rosario Alonso-Dominguez, Benigna Sanchez-Salgado, Manuel A. Gomez- Marcos & Luis Garcia-Ortiz (2020) Postprandial effects of breakfast glycaemic index on cognitive performance among young, healthy adults: A crossover clinical trial, Nutritional Neuroscience, 23:1, 1-7, DOI: 10.1080/1028415X.2018.1461459
Resumen
[ENG]Objective: To evaluate the postprandial effects of high and low glycaemic index (GI) breakfasts on cognitive
performance in young, healthy adults.
Methods: A crossover clinical trial including 40 young, healthy adults (aged 20–40 years, 50% females)
recruited from primary healthcare centres in Salamanca, Spain. Verbal memory, phonological fluency,
attention, and executive functions were examined 0, 60, and 120 minutes after consuming a low GI (LGI),
high GI (HGI), or water breakfast. Every subject tried each breakfast variant, in a randomized order,
separated by a washout period of 7 days, for a total of 3 weeks.
Results: A significant interaction between the type of breakfast consumed and immediate verbal memory was
identified (P<.05). We observed a trend towards better performance in verbal memory (delayed and
immediate), attention, and phonological fluency following an LGI breakfast.
Discussion: Cognitive performance during the postprandial phase in young, healthy adults was minimally
affected by the GI of breakfast. The potential for breakfast’s GI modulation to improve short- and long-term
cognitive functioning requires further research.
URI
ISSN
1028-415X
DOI
10.1080/1028415X.2018.1461459
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