ag-NO-zee-uh A form of receptive aphasia involving difficulty recognizing incoming information (due to central sensory-perceptual deficits) such as printed letters (visual agnosia) or spoken sounds (auditory agnosia).
The inability to recognize an object despite having basic sensory abilities (vision, hearing, touch and language functions, etc.) intact. There are many types of agnosia, for example see finger agnosia.
loss of the ability to recognize the meaning of stimuli from the various senses (visual, auditory, tactile)