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Atypical trajectories of number development: a neuroconstructivist perspective
Daniel Ansari1, Annette Karmiloff-Smith
1Neurocognitive Development Unit, Institute of Child Health, 30 Guilford Street, WC1N 1EH, London, UK
Trends in Cognitive Sciences
|December 12, 2002
Summary
Research on number deficits, as common as literacy issues, needs more attention. Early exploration of basic numerical skills is crucial for understanding developmental impacts on arithmetic abilities.
Area of Science:
- Cognitive Science
- Developmental Psychology
- Neuroscience
Background:
- Number deficits are as prevalent as literacy deficits, yet research on numerical skills lags behind dyslexia research.
- Current research on mathematical disabilities often focuses on focal brain damage, overlooking developmental trajectories.
Purpose of the Study:
- To review current debates on number cognition and its relation to mathematical disabilities.
- To emphasize the importance of a developmental systems framework for understanding numerical cognition.
- To highlight the need for early identification of atypical numerical skill development.
Main Methods:
- Literature review of current debates on number cognition.
- Analysis of theories concerning mathematical disabilities in children and genetic disorders.
- Discussion of developmental trajectories versus neuropsychological perspectives.
Main Results:
- Competing theories on number cognition offer insights into mathematical disabilities.
- A developmental systems approach is more appropriate than a focal damage perspective.
- Early identification of atypical numerical skill development is critical.
Conclusions:
- Further research into basic numerical skills is essential.
- Understanding developmental trajectories of numerical cognition is key to addressing mathematical disabilities.
- Early intervention for number deficits can positively impact higher-level arithmetic abilities.