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Auditory discrimination of voice-onset time and its relationship with reading ability

Arciuli, Joanne and Rankine, Tracey and Monaghan, Padraic (2010) Auditory discrimination of voice-onset time and its relationship with reading ability. Laterality, 15 (3). pp. 343-360. ISSN 1357-650X

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Abstract

The perception of voice-onset time (VOT) during dichotic listening provides unique insight regarding auditory discrimination processes and, as such, an opportunity to learn more about individual differences in reading ability. We analysed the responses elicited by four VOT conditions: short-long pairs (SL), where a syllable with a short VOT was presented to the left ear and a syllable with a long VOT was presented to the right ear, as well as long-short (LS), short-short (SS), and long-long (LL) pairs. Stimuli were presented in three attention conditions, where participants were instructed to attend to either the left or right ear, or received no instruction. By around 9.5 years of age children perform similarly to adults in terms of the size and relative magnitude of the right ear advantage (REA) elicited by each of the four VOT conditions. Overall, SL pairs elicited the largest REA and LS pairs elicited a left ear advantage (LEA), reflecting stimulus-driven bottom-up processes. However, children were less able to modulate their responses according to attention condition, reflecting a lack of top-down control. Effective direction of attention to one ear or the other was related to measures of reading accuracy and comprehension, indicating that reading skill is associated with top-down control of bottom-up perceptual processes.

Item Type: Article
Journal or Publication Title: Laterality
Uncontrolled Keywords: VOT ; DL ; Attention ; Lateralisation ; Speech perception ; Reading ability ; CONSONANT-VOWEL SYLLABLES ; EARLY IDENTIFICATION ; STIMULUS DOMINANCE ; EAR ADVANTAGE ; CHILDREN ; ATTENTION ; LATERALIZATION ; COMPREHENSION ; DISABILITIES ; ASYMMETRIES
Subjects:
Departments: Faculty of Science and Technology > Psychology
ID Code: 52748
Deposited By: ep_importer_pure
Deposited On: 23 Feb 2012 12:31
Refereed?: Yes
Published?: Published
Last Modified: 21 Sep 2017 04:47
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/52748

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