Evidence for the selective attention mechanism and dual-task interference |
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Authors: | Chau-Chyun Liu Chun-Chia Hsu |
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Affiliation: | a Department of Mechanical Engineering, National Central University, No. 300, Jungda Rd., Jhongli City, Taoyuan 320, Taiwan b Department of Industrial Design, Tatung University, No. 40, ChungShan North Rd., 3rd Section, Taipei 104, Taiwan c Department of Multi-media and Game Sciences, Lunghwa University of Science and Technology, No. 300, Sec. 1, Wanshou Rd., Gueishan Shiang, Taoyuan County 333, Taiwan d Department of Media Design, Tatung University, No. 40, ChungShan North Rd., 3rd Section, Taipei 104, Taiwan |
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Abstract: | In order to explore the selective attention mechanism and the dual-task information-processing model, two experiments were carried out involving a visual search task and a visual detection task. The results showed that the early period of attention selection is controlled in a bottom-up manner. With respect to the dual-task information-processing model, the results showed that the central information-processing model would include a sequence model for tasks that use the same perception resource, causing a bottleneck in information processing. Our study suggests that a simple and prominent signal could be used to attract drivers' attention prior to the emergent events. Moreover, any human-machine interface design in driving-associated systems should consider this information-processing bottleneck. With respect to signal type, targeted and easy to categorize were two useful elements to consider. |
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Keywords: | Selective attention Dual-task interference Bottleneck |
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