Aphasia | Wernicke's aphasia | Expressive aphasia | Broca's aphasia | aphasia | Anomic aphasia |
Prior to Freud's introduction of the term, some of the first ideas about agnosia came from Wernicke who created theories about receptive aphasia in 1874.
It was hypothesized that the deaf-equivalent of Broca's aphasia arose from damage somewhere near the cortex controlling the movement of the hands, and the deaf-equivalent of Wernicke's aphasia arose from damage near the visual cortex.