| optic agnosia | The inability to recognise objects by sight; usually caused by bilateral parieto-occipital lesions. Synonym: optic agnosia. (05 Mar 2000) |
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| tactile agnosia | The inability to recognise objects by touch, in the presence of intact cutaneous and proprioceptive hand sensation; caused by lesion in the contralateral parietal lobe. Synonym: astereognosis, stereoagnosis, stereoanesthesia. (05 Mar 2000) |
| finger agnosia | The inability to name or recognise individual fingers, of one's own or of other persons; most often caused by lesion of or near the angular gyrus of the dominant hemisphere. (05 Mar 2000) |
| localization agnosia | The inability to recognise the area where the skin is touched. (05 Mar 2000) |