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Influence of long-chain polyunsaturated fatty acids on infant cognitive function
P Willatts1, J S Forsyth, M K DiModugno
1Department of Psychology, University of Dundee, Scotland, United Kingdom. p.willatts@dundee.ac.uk
Lipids
|December 1, 1998
Summary
Long-chain polyunsaturated fatty acids (LCPUFA) supplementation may enhance cognitive development in term infants with impaired attention. This LCPUFA benefit was particularly noted in problem-solving abilities at 9 months of age.
Area of Science:
- Neuroscience
- Developmental Pediatrics
- Nutritional Science
Background:
- Long-chain polyunsaturated fatty acids (LCPUFA) are crucial for infant visual and cortical development.
- Previous research suggested LCPUFA benefits cognitive function in term infants with specific birth parameters and attention deficits.
- Impaired attention, indicated by late peak fixation, was a focus for potential LCPUFA intervention.
Purpose of the Study:
- To investigate the relationship between LCPUFA supplementation, attention control (late peak fixation), and means-end problem-solving ability in term infants at 9 months of age.
- To determine if LCPUFA supplementation mitigates cognitive deficits in infants with impaired attention.
- To assess the impact of LCPUFA on problem-solving skills in relation to birth growth parameters and attention control.
Main Methods:
- A prospective randomized study involving 58 term infants fed either LCPUFA-containing or standard formula for 4 months.
- Cognitive function was assessed at 3 months using infant habituation measures, identifying infants with early vs. late peak fixation.
- Problem-solving ability was evaluated at 9 months in a subset of infants (20 LCPUFA, 20 no-LCPUFA).
Main Results:
- Infants receiving no LCPUFA and exhibiting late peak fixation showed significantly reduced problem-solving scores (number of solutions, P<0.02) and a trend towards reduced intention scores (P<0.06).
- LCPUFA supplementation normalized the problem-solving and intention scores in late peak-fixation infants, making them comparable to early peak-fixation infants.
- No significant differences in intention or solution scores were found between the LCPUFA and no-LCPUFA groups overall, highlighting the specific benefit in the late peak-fixation subgroup.
Conclusions:
- LCPUFA supplementation appears to enhance information processing and problem-solving abilities in term infants born with reduced growth parameters and impaired attention control.
- The findings support the hypothesis that LCPUFA plays a vital role in cognitive development, particularly for vulnerable infant populations.
- Targeted LCPUFA intervention may be beneficial for improving cognitive outcomes in infants identified with attention deficits early in life.