Aphasiology is the study of linguistics problems resulting from brain damage. It is also the name of a scientific journal covering the area. These specific deficits, termed aphasias, may be defined as impairments of language production or comprehension that can't be attributed to trivial causes such as deafness or oral paralysis. A number of aphasias have been described, but two are best known: Broca's aphasia (expressive aphasia) and Wernicke's aphasia (receptive or sensory aphasia). Most commo… (More on Aphasiology)