ABSTRACT
In the other chapters of Part C we have mapped specialized areas of applied linguistics which focus on potential problems related to the social manifestations of language – as an obstacle to be negotiated in Chapter 10, as a community resource in Chapter 11 and as a medium for group standards of behaviour in Chapter 12. We end our guide to the themes and practices of applied linguistics by returning to the language code itself, its cognitive form. For unlike many areas of contemporary applied linguistics which can adopt a largely or uniquely sociolinguistic orientation, language pathology must grapple with the ultimate physical forms of language: the neural circuits which underlie grammar and lexicon, and the motor and perceptual systems which allow us to externalize and internalize the messages which grammar and lexicon jointly encode.
