Language function disorders. However, by tradition, the term aphasia is used. Language function disorders due to brain lesion. This term is not equal to aphasia which refers to a complete absence of language. However, by tradition, the term “aphasia” is used.
At the same time, we must make it clear that it provides materials for only a circumscribed part of what needs to be assessed when one investigates the language abilities of a person with dysphasia. In the first place it is concerned primarily with language as a complex series of mental processing steps and makes a somewhat artificial distinction between this and what we do when we use language to communicate.