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Habitual fat intake predicts memory function in younger women
E Leigh Gibson1, Suzanne Barr2, Yvonne M Jeanes3
1Department of Psychology, Whitelands College, University of Roehampton London, UK.
Frontiers in Human Neuroscience
|December 31, 2013
Summary
High saturated and trans fat intake is linked to poorer visuo-spatial learning and memory in younger women. These dietary fats, along with fasting insulin, may contribute to early cognitive deficits, impacting public health.
Area of Science:
- Neuroscience
- Nutritional Science
- Public Health
Background:
- High fat intake is associated with cognitive decline in older adults.
- Emerging evidence suggests potential cognitive impacts in younger adults.
Purpose of the Study:
- To investigate the association between dietary fat intake and cognitive function in premenopausal women.
- To explore relationships between macronutrient intake, metabolic syndrome indices, and cognitive performance.
Main Methods:
- Assessed memory and learning using CANTAB tests in 38 women (25-45 years old).
- Collected dietary data via 7-day diaries and measured physiological indices.
- Used partial correlations adjusted for age, activity, and verbal IQ.
Main Results:
- Greater saturated and trans fat intake correlated with more visuo-spatial errors and poorer word recall/recognition.
- Higher unsaturated fat (UFA) intake unexpectedly predicted poorer word recall.
- Fasting insulin linked to poorer word recognition; total cholesterol to visuo-spatial errors.
Conclusions:
- Saturated and trans fats, and fasting insulin, may be associated with cognitive deficits in younger women.
- Findings suggest potential early impacts of diet on cognition, with public health implications.
- Further research is needed to extend these findings.
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