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Understanding of physiology of language has been achieved through observing the effects of brain lesions on other peoples’ behavior and also through studies done using imaging techniques. Aphasia is the most common speech disorder which is caused by brain damage and is characterized by difficulties in speech production or understanding. Neurobiology of language development is a function of the left cerebral part of the brain (Neville and Bavelier). The left hemisphere consists of parts such as Broca’s area, Wernicke’s area, and also angular gyrus. This does not mean that the right hemisphere does not have a role to play in language development, as