Speech agnosia: Pure word deafness, or speech agnosia, is an impairment in which a person maintains the ability to hear, produce speech, and even read speech, yet they are unable to understand or properly perceive speech. These patients seem to have all of the skills necessary in order to properly process speech, yet they appear to have no experience associated with speech stimuli. Patients have reported, "I can hear you talking, but I can't translate it". Even though they are physically receiving and processing the stimuli of speech, without the ability to determine the meaning of the speech, they essentially are unable to perceive the speech at all. There are no known treatments that have been found, but from case studies and experiments it is known that speech agnosia is related to lesions in the left hemisphere or both, specifically right temporoparietal dysfunctions.