Aphasia, a language disorder resulting from brain damage, requires accurate identification
of specific aphasia types, such as Broca's and Wernicke's aphasia, for effective treatment …

Persons with severe non-fluent aphasia would benefit from using gestures to substitute for
their absent powers of speech. The use of gestures, however, is challenging for persons with …

How language began is one of the oldest questions in science. This chapter reviews the
evidence for the vocal-first, gesture-first and multimodal theories of language origin. First, it …