期刊
BRITISH JOURNAL OF NUTRITION
卷 101, 期 7, 页码 941-949出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007114508199019
关键词
Carbohydrate; Glycaemic load; Glycaemic index; Cognitive performance
资金
- Unilever
Links between nutrition and cognition are widely acknowledged. Within the context of short-term cognitive performance, carbohydrate has been the dietary component most commonly investigated. The majority of studies investigating the influence of carbohydrate on cognitive performance have employed oral glucose drink interventions followed by measures of performance on cognitive tests. More recently, studies have investigated the effect of different carbohydrates on cognitive performance rather than just pure glucose drinks. To date, studies have not been evaluated based on a standardised measure of glycaemic response, such as glycaemic load. The present review provides a critical evaluation of eight studies that have explored the relationships between food carbohydrate and cognitive performance and allow glycaemic load to be used as a basis for comparison. The key finding is that these provide insufficient evidence to support a consistent effect of glycaemic load on short-term cognitive performance. Future swdies should employ consistent test methodologies and describe food interventions in more detail to facilitate meaningful comparisons and interpretations of results.
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