Tactile order memory: evidence for sequence learning phenomena found with other stimulus types

Authors: Johnson, A., Shaw, J. and Miles, C.

http://eprints.bournemouth.ac.uk/23760/

Journal: Journal of Cognitive Psychology

Publisher: Taylor & Francis (Routledge): STM, Behavioural Science and Public Health Titles

ISSN: 2044-5911

We examine serial order memory for sequences of tactile stimuli and investigate whether established characteristics of order memory, namely serial position effects, error distributions, and Hebb repetition learning, are observed with tactile memory. Visually obscured participants received six tactile stimulations: one to each of six fingers. At test, participants lifted the six fingers in the order of stimulation. For every third trial participants received the same order of stimulation (i.e. the Hebb sequence). Serial recall accuracy produced the canonical bowed serial position function found for immediate serial recall. In addition, recall for the Hebb sequence improved relative to the filler sequences, providing the first demonstration of the Hebb repetition effect with tactile stimuli. Analysis of errors revealed close similarities to that reported with verbal and visual stimuli. This experiment further generalises established features of order memory to tactile memory, supporting the utilisation of an analogous order memory mechanism across stimuli.

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Authors: Johnson, A.J., Shaw, J. and Miles, C.

http://eprints.bournemouth.ac.uk/23760/

Journal: Journal of Cognitive Psychology

Volume: 28

Issue: 6

Pages: 718-725

eISSN: 2044-592X

ISSN: 2044-5911

DOI: 10.1080/20445911.2016.1186676

© 2016 Informa UK Limited, trading as Taylor & Francis Group. We examine serial order memory for sequences of tactile stimuli and investigate whether established characteristics of order memory, namely serial position effects, error distributions, and Hebb repetition learning, are observed with tactile memory. Visually obscured participants received six tactile stimulations: one to each of six fingers. At test, participants lifted the six fingers in the order of stimulation. For every third trial participants received the same order of stimulation (i.e. the Hebb sequence). Serial recall accuracy produced the canonical bowed serial position function found for immediate serial recall. In addition, recall for the Hebb sequence improved relative to the filler sequences, providing the first demonstration of the Hebb repetition effect with tactile stimuli. Analysis of errors revealed close similarities to that reported with verbal and visual stimuli. This experiment further generalises established features of order memory to tactile memory, supporting the utilisation of an analogous order memory mechanism across stimuli.

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