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Pronunciation: ā′kal-kyū′lē-a

Definition: A form of aphasia characterized by the inability to perform simple mathematical problems; found with lesions of various areas of the cerebral hemispheres, and often an early sign of dementia.

[G. a- priv. + L. calculo, to reckon]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.