Memory & Cognition

, Volume 37, Issue 3, pp 346–357 | Cite as

Interference between storage and processing in working memory: Feature overwriting, not similarity-based competition

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Abstract

Eight experiments with the complex span paradigm are presented to investigate why concurrent processing disrupts short-term retention. Increasing the pace of the processing task led to worse recall, supporting the hypothesis that the processing task distracts attention from maintenance operations. Neither phonological nor semantic similarity between memory items and processing-task material impaired memory. In contrast, the degree of phonological overlap between memory items and processing-task material affected recall negatively, supporting feature overwriting as one source of interference in the complex span paradigm. When compared directly, phonological overlap impaired memory, but similarity had a beneficial effect. These findings rule out response competition or confusion as a mechanism of interference between storage and processing.

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Copyright information

© Psychonomic Society, Inc. 2009

Authors and Affiliations

  1. 1.University of BristolBristolEngland

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