from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The inability of a person to recognize his or her own illness or handicap.
- n. Failure to be aware of a defect or deficit resulting from disability, due to brain injury (e.g. Anton-Babinski syndrome).
From the Ancient Greek ἀ- (a-, "not, without") and νόσος (nosos, "disease") and γνῶσις (gnosis, "knowledge"). (Wiktionary)