When does lexical availability influence phonology? Evidence from Jargon reading and repetition.

PILKINGTON, Emma, SAGE, Karen, SADDY, Douglas and ROBSON, Holly (2019). When does lexical availability influence phonology? Evidence from Jargon reading and repetition. Language, Cognition and Neuroscience.

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Official URL: https://www.tandfonline.com/doi/full/10.1080/23273...
Link to published version:: https://doi.org/10.1080/23273798.2019.1676456

Abstract

Jargon aphasia is a language disorder characterised by phonological and nonword error. Errors are thought to arise when target segments are insufficiently activated, allowing non-target or recently used phonology to intrude. Words which are more frequent and familiar reside with greater degrees of activation and therefore should be less susceptible to error. The current study tested this hypothesis in a group of ten people with Jargon aphasia using single word repetition and reading aloud. Each task had two lexicality conditions, one high and one low lexical availability word set. Measures of nonword quantity, phonological accuracy and perseveration were used in group and case series analyses. Results demonstrated that fewer nonwords were produced when 2 lexical availability was greater. However, lexicality effects on phonological accuracy and perseveration were only observed in repetition in a sub-group of moderately impaired individuals, demonstrating that lexical information does not consistently influence phonological processing in Jargon aphasia.

Item Type: Article
Identification Number: https://doi.org/10.1080/23273798.2019.1676456
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 28 Oct 2019 10:47
Last Modified: 09 Dec 2019 12:00
URI: http://shura.shu.ac.uk/id/eprint/25266

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