Speech and Language Disorders of Childhood

I. Kolvin and T. Fundudis

In: One Child 1982: 147-165

With thanks to Elsevier for their support for this project and for giving permission to reproduce this chapter.

Cite as: 

Reprinted from One Child, J. Apley and C. Ounsted (eds.), "Speech and Language Disorders of Childhood", I. Kolvin and T. Fundudis, pp. 147-165, (©Spastics Medical Publications. Heinemann, 1982).


A distinction needs to be made between speech and language and for the purposes of this chapter relatively simple definitions, modified from Sheridan (1972), will suffice. Speech is the ability to produce spoken sounds or more systemised vocalisations to express verbal symbols or words. Language is a cognitive skill in which there is a symbolisation of ideas or concepts for the purposes of communication in a social context, the communication having both expressive and receptive components.

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