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Richardson, John T. E.
(1987).
DOI: https://doi.org/10.1080/01690968708406933
Abstract
Articulatory suppression, the production of speech which is strictly irrelevant to the task in hand, has been considered as an experimental manipulation which might interfere with the translation of written stimuli into a phonological code, and it has therefore been used to investigate the role of phonology in normal reading. However, previous research is equivocal even on the basic question of whether articulatory suppression disrupts judgements of the phonemic similarity of orthographic stimuli. In the present experiment, different groups of subjects made homophony judgements or rhyme judgements on homo-phonic, rhyming, and nonrhyming pairs of irregular words and pronounceable nonwords. There was no evidence at all that articulatory suppression disrupted homophony judgements, which implies that it does not interfere with the construction or comparison of phonological representations and is therefore irrelevant to the investigation of the role of phonology in reading. Articulatory suppression did produce more errors and (with practised subjects) slower latencies in the case of rhyme judgements, though only on rhyming pairs, which implies that it has a selective effect on the processes of phonemic segmentation and deletion.
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