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Perceptual-motor determinants of auditory-verbal serial short-term memory

Hughes, Robert W., Chamberland, Cindy, Tremblay, Sébastien and Jones, Dylan M. ORCID: 2016. Perceptual-motor determinants of auditory-verbal serial short-term memory. Journal of Memory and Language 90 , pp. 126-146. 10.1016/j.jml.2016.04.006

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The role of the compatibility between obligatory perceptual organization and the active assembly of a motor-plan in auditory-verbal serial recall was examined. The classic finding that serial recall is poorer with ear-alternating items was shown to be related to spatial-source localization, thereby confirming a basic tenet of the perceptual-motor account and disconfirming an early account characterizing the two ears as separate input-channels (Experiment 1). Promoting the streaming-by-location of ear-alternating items—and therefore the incompatibility between perceived and actual order—augmented the ear-alternation effect (Experiment 2) whereas demoting streaming-by-location by reducing the regularity of the alternation attenuated it (Experiment 3). Finally, increasing the perceptual variability of an ear-alternating list while demoting the likelihood of streaming-by-location—by adding uncorrelated voice changes—also reduced the ear-alternation effect as did articulatory suppression for that part of the list (pre-recency) associated with motor-planning (Experiment 4). The results are incompatible with theories in which perceptual variability impairs serial recall due to a deficit in encoding items into a limited-capacity short-term memory space and instead point to a central role for perceptual and motor processes in serial short-term memory performance.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Additional Information: This is an open access article under the CC-BY license.
Publisher: Elsevier
ISSN: 0749-596X
Funders: ESRC
Date of First Compliant Deposit: 16 May 2016
Date of Acceptance: 21 April 2016
Last Modified: 01 Nov 2022 10:17

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