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Developmental dyscalculia.

R S Shalev1, V Gross-Tsur

  • 1Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem 91031, Israel.

Pediatric Neurology
|August 23, 2001
PubMed
Summary
This summary is machine-generated.

Developmental dyscalculia is a brain-based learning disability affecting math skills, with a genetic link. It impacts 5-6% of school children and is as common in boys as girls.

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Genetics

Background:

  • Developmental dyscalculia is a specific learning disability impacting arithmetic skill acquisition in children with normal intelligence.
  • While environmental factors were once considered primary, current evidence points to a brain-based disorder with familial-genetic influences.
  • Its prevalence is approximately 5-6% in school-aged populations, similar to developmental dyslexia and ADHD, but affects males and females equally.

Purpose of the Study:

  • To review the current understanding of developmental dyscalculia, including its etiology, neurological basis, prevalence, and associated conditions.
  • To highlight the need for further research into the long-term prognosis and broader impacts of this cognitive handicap.

Main Methods:

  • This abstract is based on a review of existing research and clinical data on developmental dyscalculia.

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  • It synthesizes information regarding the neurological underpinnings, genetic predispositions, and epidemiological data.

    • Main Results:

    • Developmental dyscalculia is characterized by a neurological substrate likely involving both brain hemispheres, with a focus on left parietotemporal areas.
    • The condition frequently co-occurs with other neurological disorders such as ADHD, developmental language disorder, epilepsy, and fragile X syndrome.
    • Approximately half of affected preteen children may experience persistent challenges, though long-term outcomes remain largely unknown.

    Conclusions:

    • Developmental dyscalculia is a significant, genetically influenced, brain-based learning disability affecting mathematical abilities.
    • Further investigation is crucial to understand its long-term prognosis and its comprehensive effects on individuals' education, careers, and psychological health.