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Delayed language development due to infantile thiamine deficiency

Aviva Fattal-Valevski1, Iris Azouri-Fattal, Yoram J Greenstein

  • 1Pediatric Neurology Unit, Sourasky Medical Center, Israel. afatal@post.tau.ac.il

Developmental Medicine and Child Neurology
|February 5, 2009
PubMed

Insights

Infant thiamine (vitamin B1) deficiency from soy formula negatively impacts childhood language development. Children with deficiency showed poorer expressive communication and auditory comprehension, alongside delayed walking.

Area of Science:

  • Pediatric Nutrition
  • Developmental Neuroscience
  • Speech-Language Pathology

Background:

  • Thiamine (vitamin B1) is crucial for neurological development.
  • Infant nutrition, particularly soy-based formulas, requires careful monitoring for essential nutrient levels.
  • Early nutritional deficiencies can have long-lasting developmental consequences.

Purpose of the Study:

  • To investigate the long-term effects of thiamine deficiency in infancy on language development.
  • To compare language and cognitive outcomes in children with and without a history of thiamine deficiency.
  • To explore the relationship between thiamine deficiency, motor development, and language acquisition.

Main Methods:

  • A case-control study involving 20 children with documented thiamine deficiency due to soy formula and 20 matched controls.
  • Assessment of receptive and expressive language using the Preschool Language Scale, 3rd edition.
  • Evaluation of mental development (Bayley Scales of Infant Development, 2nd edition), autistic spectrum disorders, and neurological status.

Main Results:

  • Children with a history of thiamine deficiency exhibited significantly poorer expressive communication (p<0.001) and auditory comprehension (p<0.001).
  • The thiamine-deficient group also showed significantly lower Mental Developmental Index scores (p<0.001) and delayed age at independent walking (p=0.001).
  • A negative correlation was observed between receptive language scores and age at independent walking, indicating poorer language skills were associated with later walking (r=-0.601, p=0.005).

Conclusions:

  • Infancy thiamine deficiency, even from soy-based formula, can adversely affect childhood language development.
  • The findings highlight the critical role of thiamine in early brain development, impacting both cognitive and motor milestones.
  • This study underscores the importance of adequate thiamine levels in infant nutrition to prevent developmental deficits.

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