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|Title: ||Decline and fall: a biological, developmental, and psycholinguistic account of deliberative language processes and ageing|
|Authors: ||Harley, Trevor A.|
Jessiman, Lesley J.
MacAndrew, Siobhan B. G.
|Affiliation: ||University of Abertay Dundee. School of Social & Health Sciences|
|Keywords: ||Control of language|
Language across the lifespan
|Issue Date: ||Feb-2011|
|Publisher: ||Taylor & Francis|
|Type: ||Journal Article|
|Rights: ||This is an electronic version of an article that was published in Aphasiology © 2011 Copyright; Taylor & Francis. Aphasiology is available online at:
This is the author's final version of this article. Published version (c)Taylor & Francis, available from http://dx.doi.org/10.1080/02687031003798262|
|Citation: ||Harley, T.A., Jessiman, L.J., & MacAndrew, S.B.G. 2011. Decline and fall: a biological, developmental, and psycholinguistic account of deliberative language processes and ageing. Aphasiology. 25(2): pp.123-153. Available from http://dx.doi.org/10.1080/02687031003798262|
|Abstract: ||Background: This paper reviews the role of deliberative processes in language: those language processes that require central resources, in contrast to the automatic processes of lexicalisation, word retrieval, and parsing. 10 Aims: We describe types of deliberative processing, and show how these processes underpin high-level processes that feature strongly in language. We focus on metalin- guistic processing, strategic processing, inhibition, and planning. We relate them to frontal-lobe function and the development of the fronto-striate loop. We then focus on the role of deliberative processes in normal and pathological development and ageing, 15 and show how these processes are particularly susceptible to deterioration with age. In particular, many of the commonly observed language impairments encountered in ageing result from a decline in deliberative processing skills rather than in automatic language processes. Main Contribution: We argue that central processing plays a larger and more important 20 role in language processing and acquisition than is often credited. Conclusions: Deliberative language processes permeate language use across the lifespan. They are particularly prone to age-related loss. We conclude by discussing implications for therapy.|
|Appears in Collections:||Social & Health Sciences Collection|
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