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Individual Differences and Metacognitive Knowledge of Visual Search Strategy

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  • Michael J Proulx

Abstract

A crucial ability for an organism is to orient toward important objects and to ignore temporarily irrelevant objects. Attention provides the perceptual selectivity necessary to filter an overwhelming input of sensory information to allow for efficient object detection. Although much research has examined visual search and the ‘template’ of attentional set that allows for target detection, the behavior of individual subjects often reveals the limits of experimental control of attention. Few studies have examined important aspects such as individual differences and metacognitive strategies. The present study analyzes the data from two visual search experiments for a conjunctively defined target (Proulx, 2007). The data revealed attentional capture blindness, individual differences in search strategies, and a significant rate of metacognitive errors for the assessment of the strategies employed. These results highlight a challenge for visual attention studies to account for individual differences in search behavior and distractibility, and participants that do not (or are unable to) follow instructions.

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  • Michael J Proulx, 2011. "Individual Differences and Metacognitive Knowledge of Visual Search Strategy," PLOS ONE, Public Library of Science, vol. 6(10), pages 1-7, October.
    • Handle: RePEc:plo:pone00:0027043
    DOI: 10.1371/journal.pone.0027043
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    References listed on IDEAS

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    1. Edward K. Vogel & Andrew W. McCollough & Maro G. Machizawa, 2005. "Neural measures reveal individual differences in controlling access to working memory," Nature, Nature, vol. 438(7067), pages 500-503, November.
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