This paper explores the issues involved in the linguistic characterisation of disordered discourse and the ways in which a Systemic Functional Linguistic framework addresses these issues. For many years, language disorders were described in terms of formal grammars, with "breakdown" discussed in terms of one or more of the traditional levels of…

Seven computer programs were written for use with the semantic differential and two additional programs were modified or expanded. The nine programs can compute the following: means, standard deviations, and standard errors on nine subscales and on evaluation, potency, and activity factors (EPA); Osgood D values for all concepts; correlations…