Nutrition, Cognition and Learning: The Role of White Matter Development and Connectivity
Diandra Brkić1, Jonas Hauser2, Charles-Edouard Rouault3
1Nestlé Institute of Health Sciences, Nestlé Research, Lausanne, CH.
Medrxiv : the Preprint Server for Health Sciences
|July 10, 2026
Summary
Childhood nutrition impacts brain development and learning. Specific nutrients like DHA and iron support better brain structure, connectivity, and academic skills, with brain development mediating these effects.
Area of Science:
- Neuroscience
- Nutritional Science
- Developmental Psychology
Background:
- Infant nutrition's role in development is well-studied.
- Links between later childhood nutrition and cognitive/academic skills are less explored.
Purpose of the Study:
- Investigate direct/indirect associations between nutrition, brain development, and cognitive/academic outcomes in children.
- Examine if brain development mediates the nutrition-learning relationship.
Main Methods:
- Longitudinal study of typically developing children (2-14 years).
- Combined neuroimaging, dietary intake, and cognitive/academic assessments.
- Analyzed direct associations and mediation pathways.
Main Results:
- Specific nutrients (DHA, sphingomyelin, iron, niacin, choline, palmitoleic acid) linked to enhanced brain structure and connectivity.
- These nutrients also associated with improved cognitive and learning outcomes.
- Childhood brain development was found to partly mediate the link between nutrition and learning.
Conclusions:
- Nutrition beyond infancy is crucial for ongoing childhood brain and cognitive development.
- This study is the first to demonstrate a nutrition-brain development-learning pathway in school-aged children.
- Highlights the importance of a balanced diet for supporting children's cognitive and academic success.
Related Concept Videos
01:27Language and Cognition
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
01:01Neuroplasticity
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
01:30Information Processing Approach
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is also...
01:14Role of Cerebellum and Prefrontal Cortex in Memory
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...
01:17Cognitivism
Cognitive psychology emerged as a significant field in the mid-20th century. It focused on understanding humans' internal mental processes. This approach emphasizes how people perceive, remember, think, and solve problems—elements critical to human cognition.
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process information is...
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process information is...
01:30Cognitive Development During Adulthood
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...