The perception of /l/ vocalization by listeners with speech therapy as children
Wong, Nicole
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https://hdl.handle.net/2142/46520
Description
Title
The perception of /l/ vocalization by listeners with speech therapy as children
Author(s)
Wong, Nicole
Issue Date
2013
Keyword(s)
Linguistics
Phonetics
Perception
Laterals
l-vocalization
Abstract
To determine the strength of F3 as an acoustic cue for perceiving vocalization – a cross-linguistic process whereby a historical instance of /l/ is realized as a [w]-like sound (Knowles 1987) – of syllable-final /l/, a forced choice identification task was administered to listeners of English (American and New Zealand). A 15-step continuum was synthesized, with endpoints from syllable-final /l/ to vocalized /l/. However, post-task interviews revealed potential interactions from non- normal language development in participants. Normally developing participants (who had not undergone speech therapy) demonstrated categorical perception. Two participants who had undergone speech therapy as children demonstrated persistent difficulty in perceiving vocalized /l/, but post-hoc analysis suggests that categorization was learned as the experiment progressed. This paper considers the potential implications of these results.
Publisher
Studies in the Linguistic Sciences, University of Illinois at Urbana-Champaign
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