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    • Graduate School - MU Theses and Dissertations (MU)
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    • 2007 Dissertations (MU)
    • 2007 MU dissertations - Freely available online
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    Maintaining cross-domain objects and features in working memory : implications for storage in models of working memory

    Morey, Candice Coker, 1978-
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    Date
    2007
    Format
    Thesis
    Metadata
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    Abstract
    A great deal of evidence, both from behavioral studies of cross-domain interference and from neuroimaging, suggests the need for a domain-general store in models of working memory. Baddeley included such a store in an updated version of the influential multiple component model (2000), but it is still unknown how this new component interacts with better-known working memory components. Using cross-domain objects (letters in spatial locations) for memoranda, the following experiments aimed to learn whether domain-specific and domain-general stores can be used concurrently, and in doing so to better understand how components of a working memory system interact. A critical finding shows that concurrent articulatory suppression impairs memory for integrated cross-domain objects that include spatial location features, but does not affect spatial locations when they are represented as isolated features. This evidence is interpreted as support for a domain-general store capable of accommodating different representations for spatial materials and capable of interfacing with verbal rehearsal mechanisms, depending on memory demands.
    URI
    https://doi.org/10.32469/10355/4889
    https://hdl.handle.net/10355/4889
    Degree
    Ph. D.
    Thesis Department
    Psychological sciences (MU)
    Rights
    OpenAccess.
    This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.
    Collections
    • 2007 MU dissertations - Freely available online
    • Psychological Sciences electronic theses and dissertations (MU)

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