Related Experiment Video
Updated: Aug 20, 2025
07:32
Assessing Iron Deposition in the Brains of 5xFAD Mice by Perls'/DAB Staining
Published on: May 23, 2025
399
Chronic Iron Deficiency and Cognitive Function in Early Childhood
Argie Gingoyon1, Cornelia M Borkhoff1,2,3,4, Christine Koroshegyi5
1Dalla Lana School of Public Health.
Pediatrics
|November 22, 2022
Summary
Children with chronic iron deficiency had lower cognitive scores even after treatment. Early detection of iron deficiency using serum ferritin may improve long-term outcomes.
Area of Science:
- Pediatric Nutrition
- Developmental Neuroscience
- Public Health
Background:
- A 1980s study linked infant iron deficiency to lower cognitive scores up to age 19.
- This study aimed to re-evaluate this association in a modern, high-resource setting.
Purpose of the Study:
- To examine the association between chronic iron deficiency and cognitive development in young children.
- To assess the impact of iron supplementation on cognitive outcomes in iron-deficient children.
Main Methods:
- Prospective observational study of 116 children aged 12-40 months.
- Screening included hemoglobin and serum ferritin; oral iron was administered based on iron status.
- Cognitive function was assessed using the Early Learning Composite at 4 and 12 months post-intervention.
Main Results:
- Children with chronic iron deficiency showed significantly lower cognitive scores (-6.4 to -7.4 points) at 4 and 12 months compared to iron-sufficient children.
- Iron status improved in the chronic deficiency group after intervention.
- Serum ferritin levels were significantly higher at 4 months in the deficient group but not different at 12 months.
Conclusions:
- Chronic iron deficiency in early childhood is associated with persistent cognitive deficits, even after iron repletion.
- Early detection and intervention for iron deficiency are crucial for optimal cognitive development.
- Further research should explore screening strategies based on early iron deficiency detection via serum ferritin.
More Related Videos
04:48Setup of Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry CE-ICP-MS for Quantification of Iron Redox Species FeII, FeIII
Published on: May 4, 2020
8.1K
08:45Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
Published on: May 10, 2022
2.1K
Related Concept Videos
01:29Environmental Influences on Intelligence
393
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
393
01:30Information Processing Approach
98
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...
98
01:30Biological Influences on Intelligence
183
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
183
01:30Attention-Deficit/Hyperactivity Disorder
148
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
148
01:29Intellectual Disability
137
Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
137
01:30Cognitive Development During Adulthood
204
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,...
204