Dr. C. Siva Sankar


Language plays an important role to communicate with other human beings. It is a powerful development tool for learning and an aid to understanding. Language is a vehicle for educational development and is important for apprehension and acquisition of knowledge (Hillman, D. C, 1999). Language is also embedded in cognition. Many neurobiological and computational processes are involved in language processing. Expression requires motor cortical areas, basal gorglia and cerebellum. Language comprehension is carried by several language sub systems such as phonological, semantic syntactic sub systems and is supported by memory and attentional processes (Hickok & Poeppel, 2004). Aphasia is an acquired language deficit which occurs due to brain damage (Code & Petheram, 2011).

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