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Title: Spatial clustering and hierarchical coding in immediate serial recall
Authors: De Lillo, Carlo
Lesk, Valerie E.
First Published: Mar-2010
Publisher: Psychology Press
Citation: European Journal of Cognitive Psychology, 2010, Vol.22, (2), pp.216-246
Abstract: Four experiments are reported that demonstrate the benefits of clustering by spatial proximity in spatial serial recall and provide support for the notion that hierarchical coding underpins the retention of clustered sequences in spatial working memory. Sequences segregated by spatial clusters increased serial recall performance at different levels of sequence length in a variation of the Corsi test and produced a faster initial response time (RT), which indicates that they afforded data reducing processes. RT at cluster boundary increased in parallel with the number of items forming the clusters, suggesting that subroutines of different length were responsible for the ordering of items within clusters of different size. Evidence for hierarchical coding was also obtained in a serial recognition task, indicating this type of representation pertains to the retention of the sequences rather than exclusively to the organisation of the motor plan for the reproduction of the sequences.
Type: Article
Description: This article was published as European Journal of Cognitive Psychology, Vol. 22, Issue 2, March 2010, pp. 216-246. It is available from:
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Appears in Collections:Published Articles, School of Psychology

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