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[Acalculia. Neurological bases, evaluation and disorders]
J L Dobato1, A Hernández-Laín, A B Caminero
1Unidad de Neurología, Hospital Nuestra Señora de Sonsoles, Avila, España. jldobato@fhalcorcon.es
Revista De Neurologia
|April 25, 2000
Summary
This review examines how brain damage affects mathematical skills, classifying acalculia based on lesion location and associated cognitive deficits. It explores diagnostic tools for evaluating these mathematical impairments.
Area of Science:
- Neuroscience
- Cognitive Psychology
Context:
- Structural cerebral lesions can significantly impair mathematical abilities.
- Acalculia, the inability to perform mathematical calculations, presents in various forms.
Purpose:
- To review the literature on alterations in mathematical ability secondary to structural cerebral lesions.
- To discuss classifications, neurocognitive models, and cerebral localization of acalculia.
- To examine available neuropsychological instruments for acalculia evaluation.
Summary:
- The review synthesizes classifications of acalculia, from historical divisions (Berger, Hecaen) to modern neurocognitive models.
- It details the correlation between mathematical deficits, lesion sites (e.g., left parieto-temporal, right frontal), and other neuropsychological impairments.
- The study also covers the assessment tools for acalculia, emphasizing those validated for specific linguistic and cultural contexts.
Impact:
- Provides a comprehensive overview of acalculia, aiding in understanding the relationship between brain structure and mathematical cognition.
- Highlights the importance of neurocognitive models and precise lesion localization in diagnosing and managing acalculia.
- Informs the selection and application of appropriate neuropsychological assessment tools for acalculia.