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A revised model of short-term memory and long-term learning of verbal sequences

Burgess, N. and Hitch, G.J. (2006) A revised model of short-term memory and long-term learning of verbal sequences. Journal of Memory and Language, 55 (4). pp. 627-652. ISSN 0749-596X

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The interaction between short- and long-term memory is studied within a model in which phonemic and (temporal) contextual information have separate influences on immediate verbal serial recall via connections with short- and long-term plasticity [Burgess, N., & Hitch, G.J. (1999). Memory for serial order: a network model of the phonological loop and its timing. Psychological Review, 106, 551–581]. Long-term learning of sequences of familiar items is correctly predicted to interact with temporal grouping but not phonological similarity or articulatory suppression. However the model fails to predict learning of different sequences simultaneously, or of partially repeated lists. In a revised model, sufficiently different sequences recruit different context signals while sufficiently similar sequences recruit the same signal, via a cumulative matching process during encoding. Simulations show this revised model captures the experimental data on Hebb repetition, including the importance of matching at the start of a list, makes novel predictions concerning the effects of partial repetition, and provides a potential mechanism for position specific intrusions and the build up of proactive interference.

Item Type: Article
Keywords: Long-term memory; Phonological loop; Working memory; Hebb effect; Computational modelling; Serial order
Institution: The University of York
Academic Units: The University of York > Psychology (York)
Depositing User: York RAE Import
Date Deposited: 01 Jun 2009 12:08
Last Modified: 01 Jun 2009 12:08
Published Version: http://dx.doi.org/10.1016/j.jml.2006.08.005
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/j.jml.2006.08.005
URI: http://eprints.whiterose.ac.uk/id/eprint/6761

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