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Direct and Indirect Effects of Blood Levels of Omega-3 and Omega-6 Fatty Acids on Reading and Writing (Dis)Abilities
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In: Brain Sciences; Volume 12; Issue 2; Pages: 169 (2022)
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Abstract:
The purpose of the present study was to investigate whether there are associations between polyunsaturated fatty acid (PUFA) blood levels, reading/writing performance and performance in neuropsychological tasks. Moderate to strong correlations were found between PUFA levels (specific omega-6/omega-3 ratios) and reading/writing abilities, and the former and neuropsychological test scores. Mediation models analyzing the direct and indirect effects of PUFA on reading and writing scores showed that the effects of fatty acids on learning measures appear to be direct rather than mediated by the investigated visual and auditory neuropsychological mechanisms. The only significant indirect effect was found for the difference in accuracy between the left and right visual fields in visual-spatial cueing tasks, acting as a mediator for the effect of PUFA ratios on writing accuracy. Regression analyses, by contrast, confirmed the roles of phonological awareness and other visual attentional factors as predictors of reading and writing skills. Such results confirm the crucial role of visual-spatial attention mechanisms in reading and writing, and suggest that visual low-level mechanisms may be more sensitive to the effects of favorable conditions related to the presence of higher omega-3 blood levels.
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Keyword:
cueing task; dyslexia; flanker effect; phonological processing; PUFA; reading; visual processing; visual-spatial attention; writing
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URL: https://doi.org/10.3390/brainsci12020169
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| 4 |
Phonological and orthographic parafoveal processing during silent reading in Russian children and adults ...
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| 8 |
Preview benefits and preview costs during reading: Exploring the interplay between display change awareness and parafoveal visual degradation (VISDEG2 project)) ...
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| 12 |
The effect of auditory processing on the development of phonological processing ...
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| 13 |
A Comparison of the Heterogeneity of Speech Processing in Children with and without Autism Spectrum Disorder ...
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| 14 |
Improving Reading Comprehension in Arabic English Language Learners
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In: Culminating Experience Projects (2021)
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| 15 |
Understanding Dyslexia as a Neurological Learning Disability: A Plan for an Instructive Website for Parents and Early Elementary Teachers
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In: Culminating Experience Projects (2021)
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| 16 |
Morphological awareness and learning to read: Impact of socio-economic status in French third graders
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In: ISSN: 0141-0423 ; EISSN: 1467-9817 ; Journal of Research in Reading ; https://hal.univ-lille.fr/hal-03119757 ; Journal of Research in Reading, Wiley, 2020, Advances in understanding the role of morphemes in literacy development, 44 (1), pp.228-246. ⟨10.1111/1467-9817.12321⟩ (2020)
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| 18 |
The Warnke Method for the Diagnosis and Improvement of Phonological Competence in Special Needs Children
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In: Education Sciences ; Volume 10 ; Issue 5 (2020)
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| 20 |
Gender Agreement Attraction in Greek Comprehension
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In: Frontiers in Psychology ; 11 (2020). - 717. - Frontiers Research Foundation. - eISSN 1664-1078 (2020)
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