A role for dietary saccharide intake in cognitive performance

Authors: Best, Talitha¹; Kemps, Eva¹; Bryan, Janet²

Source: Nutritional Neuroscience, Volume 10, Numbers 3-4, June/August 2007 , pp. 113-120(8)

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Abstract:

Objective: The current study investigated the relationship between dietary intake of saccharides and cognitive performance.

Design: The study used a cross-sectional correlational design in which the relationship between saccharide intake and cognitive performance was investigated among younger and middle-aged adults.

Methods: Forty-two young adults (18?30 years) and 42 middle-aged adults (45?62 years) completed a food diary on three non-consecutive days during 1 week in order to estimate dietary saccharide intake. In addition, participants completed a battery of cognitive measures that included measures assessing memory (verbal and visuo-spatial recall and recognition, working memory), speed of processing, attention and general cognitive ability.

Results and conclusion: Results indicated that saccharide intake was related to performance only in verbal memory recall, and only for the middle-aged adults. Importantly, saccharide intake remained a significant predictor of verbal memory performance after controlling for education and health factors such as smoking, alcohol consumption and exercise.

Keywords: SACCHARIDES; DIETARY INTAKE; COGNITION; MEMORY

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/10284150701413170

Affiliations: 1: School of Psychology, Flinders University, Adelaide, Australia 2: School of Psychology, University of South Australia, Adelaide, Australia

Publication date: 2007-06-01

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