dyscalculia

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dys·cal·cu·li·a

(dis'kal-kyū'lē-ă),
Difficulty in performing simple mathematical problems; commonly seen in parietal lobe lesions.
[dys- + L. calculo, to compute, fr. calculus, pebble, counter]

dyscalculia

(dĭs′kăl-kyo͞o′lē-ə)
n.
Impairment of the ability to understand and solve mathematical problems.

dys·cal·cu·li·a

(dis'kal-kyū'lē-ă)
Difficulty in performing simple mathematical operations; commonly seen in parietal lobe lesions.
[dys- + L. calculo, to compute, fr. calculus, pebble, counter]

dyscalculia

Loss of arithmetical ability. This may occur as a specific feature of brain damage in STROKE.