dysnomia

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anomic aphasia

Loss of the ability to name objects and recall words. Those with anomic aphasia often substitute circumlocutions (“work-arounds”) to express the forgotten word.

Aetiology
Trauma, stroke or tumours involving the parietal or temporal lobes, especially if left-sided.

Diagnosis
Verbal tests, imaging; false positive and false negative results are not uncommon.

dysnomia

(dĭs-nō′mē-ă)
An aphasia in which the patient forgets words or has difficulty finding words for written or oral expression.