An 11-year-old girl has significant difficulty understanding number concepts, performing arithmetic calculations, and solving mathematical problems despite normal intelligence and adequate instruction. Reading and spelling are age-appropriate. Which specific learning disorder best explains this presentation?

• A Specific learning disorder with impairment in reading
• B Specific learning disorder with impairment in written expression
• C Specific learning disorder, unspecified
• D Specific learning disorder with impairment in mathematics ✓

Explanation

Specific learning disorder with impairment in mathematics (dyscalculia) involves difficulties mastering number sense, number facts, calculations, and mathematical reasoning. The key discriminating feature is that reading and written expression are intact, ruling out impairment in reading (dyslexia) and impairment in written expression. This disorder affects approximately 3 to 6 percent of the population.

Reference: Diagnostic and Statistical Manual of Mental Disorders, 5th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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