Mohammad Taghi Kheirkhah, Setareh Mokhtari, Fatemeh Bakouie, Shahriar Gharibzadeh
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引用次数: 0
Abstract
Background: According to the perceptual load theory, distractor processing is determined by the perceptual load. On the other hand, alternative explanations suggest that perceptual load and distractor salience may have opposing effects. Objectives: Although numerous studies have been conducted on the effect of distractor salience on attentional capture, even under conditions of high perceptual load, it is still unclear whether spatial cueing of the distractor interferes with the perceptual load. Methods: In two experiments, the effect of the predictability of distractor cueing on attentional capture due to threatening facial stimuli was studied using a modified flanker task. In experiment 2, unlike the first experiment, heterogeneous targets and distractors were used to mimic real-life experiences. Results: In experiment 1, the high perceptual load was associated with decreased distractor processing, whether the cueing was completely valid, invalid, or absent. However, the distractor processing between low and high perceptual loads was not different in ambiguous cueing. In the second experiment, contrary to the first experiment, no perceptual load effect was observed in the absence of spatial cueing. Conclusions: Even in displays with high perceptual load, some stimulus-driven features-inability to predict the distractor's location—can interfere with attentional control. Therefore, although the perceptual load is an influential factor in the selection, it clearly cannot be the only factor determining attentional control. Additionally, this study reveals that the effect of perceptual load on attentional control in everyday life should be further studied and questioned.
期刊介绍:
The Iranian Journal of Psychiatry and Behavioral Sciences (IJPBS) is an international quarterly peer-reviewed journal which is aimed at promoting communication among researchers worldwide and welcomes contributions from authors in all areas of psychiatry, psychology, and behavioral sciences. The journal publishes original contributions that have not previously been submitted for publication elsewhere. Manuscripts are received with the understanding that they are submitted solely to the IJPBS. Upon submission, they become the property of the Publisher and that the data in the manuscript have been reviewed by all authors, who agree to the analysis of the data and the conclusions reached in the manuscript. The Publisher reserves copyright and renewal on all published material and such material may not be reproduced without the written permission of the Publisher. Statements in articles are the responsibility of the authors.