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    Beyond bounded rationality : towards a computationally rational theory of motor control

    Author
    Lerch, Rachel A.
    View/Open
    180503_Lerch_rpi_0185E_11786.pdf (4.481Mb)
    Other Contributors
    Sims, Christopher Robert; Fajen, Brett R.; Gray, Wayne D., 1950-; Michel, Melchi;
    Date Issued
    2020-12
    Subject
    Cognitive science
    Degree
    PhD;
    Terms of Use
    This electronic version is a licensed copy owned by Rensselaer Polytechnic Institute, Troy, NY. Copyright of original work retained by author.;
    Metadata
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    URI
    https://hdl.handle.net/20.500.13015/2668
    Abstract
    Limitations in human information processing have been well documented, though remain less understood in terms of how cognitive systems adapt to information processing constraints. To address this challenge, a growing body of literature offers theories concerning intelligent systems (both biological and artificial) from the perspective of computational rationality (Gershman et al.,2015)—the maximization of performance subject to constraints on information processing. Thisdissertation aims to add to these theoretical and computational approaches by offering a noveland principled way of studying this problem. The central approach advocated in this thesis, uses the formal mathematics of rate-distortion theory, a branch of information theory (Shannon, 1948) which concerns the optimal solution to the problem of optimal, but ‘lossy’ data compression. As a mathematical framework, rate-distortion theory is ideally situated to predict and explain cognitive processing as the (rational) maximization of utility subject to information processing constraints. First demonstrating the applicability of this approach in the domain of visual working memory in human systems, this dissertation extends this form of rational analysis to the reinforcement learning framework and domain of motor control. This thesis demonstrates, through the combination of three empirical studies, and computational cognitive modeling, that rate-distortion theory provides a natural framework for the development of computationally rational learning agents and a promising normative framework to analyze human motor performance.;
    Description
    December 2020; School of Humanities, Arts, and Social Sciences
    Department
    Dept. of Cognitive Science;
    Publisher
    Rensselaer Polytechnic Institute, Troy, NY
    Relationships
    Rensselaer Theses and Dissertations Online Collection;
    Access
    Restricted to current Rensselaer faculty, staff and students. Access inquiries may be directed to the Rensselaer Libraries.;
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    • RPI Theses Online (Complete)

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