Connections between Wernicke's and Broca's areas, mediating expression of language utterances in speech. Broca's area and the primary motor area. Primary auditory perception and Wernicke's area. Connection between vision and Wernicke's area, mediating reading ability. Somatosensory perception (tactile, pain, cold/hot, position sense) and Wernicke's area. Key aspects to aphasia: Lesion, insult in the dominant hemisphere; Impaired naming; Is repetition impaired? Is comprehension impaired? Is reading and writing impaired?