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Pubmed for Handhelds

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  • Title: Looking versus seeing: Strategies alter eye movements during visual search.
    Author: Watson MR, Brennan AA, Kingstone A, Enns JT.
    Journal: Psychon Bull Rev; 2010 Aug; 17(4):543-9. PubMed ID: 20702875.
    Abstract:
    Visual search can be made more efficient by adopting a passive cognitive strategy (i.e., letting the target "pop" into mind) rather than by trying to actively guide attention. In the present study, we examined how this strategic benefit is linked to eye movements. Results show that participants using a passive strategy wait longer before beginning to move their eyes and make fewer saccades than do active participants. Moreover, the passive advantage stems from more efficient use of the information in a fixation, rather than from a wider attentional window. Individual difference analyses indicate that strategies also change the way eye movements are related to search success, with a rapid saccade rate predicting success among active participants, and fewer and larger amplitude saccades predicting success among passive participants. A change in mindset, therefore, alters how oculomotor behaviors are harnessed in the service of visual search.
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