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A role for dietary saccharide intake in cognitive performance
Talitha Best1, Eva Kemps, Janet Bryan
1School of Psychology, Flinders University, Adelaide, SA, Australia talitha.best@flinders.edu.au
Nutritional Neuroscience
|November 21, 2007
Summary
Dietary saccharide intake was linked to better verbal memory recall in middle-aged adults. This association persisted even after accounting for lifestyle and education factors.
Area of Science:
- Nutrition Science
- Cognitive Neuroscience
- Gerontology
Background:
- Cognitive performance naturally declines with age.
- Dietary factors are increasingly recognized for their role in cognitive health.
- Saccharides are a primary energy source for the brain.
Purpose of the Study:
- To examine the association between dietary saccharide intake and cognitive performance.
- To investigate potential differences in this relationship between younger and middle-aged adults.
Main Methods:
- Cross-sectional correlational study design.
- 42 young adults (18-30 years) and 42 middle-aged adults (45-62 years) participated.
- Dietary saccharide intake was estimated via 3-day food diaries.
- Cognitive functions including memory, processing speed, and attention were assessed.
Main Results:
- Saccharide intake was significantly associated with verbal memory recall performance.
- This association was specific to middle-aged adults.
- The relationship remained significant after controlling for education, smoking, alcohol consumption, and exercise.
Conclusions:
- Dietary saccharide intake may play a role in maintaining verbal memory in middle-aged adults.
- Further research is warranted to explore the mechanisms underlying this relationship.
- Dietary recommendations for cognitive health may need to consider age-specific factors.
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