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  • Titill er á ensku What, where, whether - The role of working memory and inhibition in foraging performance
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    Foraging is establishing itself as a powerful way of studying visual search in humans. Cognitive abilities related to foraging and visual search in general include feature search ability, feature integration ability, metacognition and executive functions (EF’s) such as working memory (WM), inhibition and attentional flexibility. While the role of some of these abilities in visual search has been established, little is known about the relationship between EF-subcomponents and foraging. The primary goal of the current study was to determine to what degree two facets of working memory, object-based and location-based WM, play a role in foraging performance. A second goal was to clarify the role of inhibition in foraging, not least to verify whether it would remain insignificant as seen in previous studies. Eighteen individuals aged between 21 and 33 (M = 24.4, SD = 2.7) were tested on a foraging task along with three tasks measuring object-based WM, location-based WM and inhibition, respectively. The results indicate that object-based WM and location-based WM jointly account for a considerable proportion of variance in foraging performance. The role of each of the WM components differs depending on the foraging condition and variables in question. As seen in previous research, inhibition does not seem to contribute to foraging performance. The implications of these results are discussed.

  • 25.5.2018

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