Priorities for selection and representation in natural tasks.

Ben Tatler (Lead / Corresponding author), Yoriko Hirose, S. K. Finnegan, R Pievilainen, A. Kennedy

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    Selecting and remembering visual information is an active and competitive process. In natural environments, representations are tightly coupled to task. Objects that are task-relevant are remembered better due to a combination of increased selection for fixation and strategic control of encoding and/or retaining viewed information. However, it is not understood how physically manipulating objects when performing a natural task influences priorities for selection and memory. In this study, we compare priorities for selection and memory when actively engaged in a natural task with first-person observation of the same object manipulations. Results suggest that active manipulation of a task-relevant object results in a specific prioritization for object position information compared with other properties and compared with action observation of the same manipulations. Experiment 2 confirms that this spatial prioritization is likely to arise from manipulation rather than differences in spatial representation in real environments and the movies used for action observation. Thus, our findings imply that physical manipulation of task relevant objects results in a specific prioritization of spatial information about task-relevant objects, possibly coupled with strategic de-prioritization of colour memory for irrelevant objects.
    Original languageEnglish
    Article number20130066
    JournalPhilosophical Transactions of the Royal Society B - Biological Sciences
    Volume368
    Issue number1628
    DOIs
    Publication statusPublished - 19 Oct 2013

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