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Attentional focusing and filtering in multisensory categorization

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Abstract

Selective attention refers to the ability to focus on goal-relevant information while filtering out irrelevant information. In a multisensory context, how do people selectively attend to multiple inputs when making categorical decisions? Here, we examined the role of selective attention in cross-modal categorization in two experiments. In a speed categorization task, participants were asked to attend to visual or auditory targets and categorize them while ignoring other irrelevant stimuli. A response-time extended multinomial processing tree (RT-MPT) model was implemented to estimate the contribution of attentional focusing on task-relevant information and attentional filtering of distractors. The results indicated that the role of selective attention was modality-specific, with differences found in attentional focusing and filtering between visual and auditory modalities. Visual information could be focused on or filtered out more effectively, whereas auditory information was more difficult to filter out, causing greater interference with task-relevant performance. The findings suggest that selective attention plays a critical and differential role across modalities, which provides a novel and promising approach to understanding multisensory processing and attentional focusing and filtering mechanisms of categorical decision-making.

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Data Availability

Deidentified data, results, and analysis scripts are available on the OSF repository (https://osf.io/m4sy3/). Further inquiries can be directed to the first author Jianhua Li (yb97301@um.edu.mo) and the corresponding author Sophia Deng (wdeng@um.edu.mo).

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Funding

This research was supported by a National Natural Science Foundation of China grant to S. W. Deng. (31900769) and by a Multi-Year Research Grant of the University of Macau to S. W. Deng. (MYRG2019-00007-FSS). The funding organizations had no role in the development of the study design or collection, analysis, and interpretation of the data.

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Contributions

Conceptualization: J. Li and S. W. Deng; Methodology: J. Li and S. W. Deng; Formal Analysis: J. Li and S. W. Deng; Investigation: J. Li; Writing—Original Draft Preparation: J. Li and S. W. Deng; Writing—Review & Editing: J. Li and S. W. Deng; Supervision: S. W. Deng; Project Administration: J. Li and S. W. Deng; Funding Acquisition: S. W. Deng.

Corresponding author

Correspondence to Sophia W. Deng.

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The authors have no conflicts of interest to declare that are relevant to the content of this article.

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All procedures were approved by the Research Ethics Panel of the University of Macau.

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Li, J., Deng, S.W. Attentional focusing and filtering in multisensory categorization. Psychon Bull Rev 31, 708–720 (2024). https://doi.org/10.3758/s13423-023-02370-7

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  • DOI: https://doi.org/10.3758/s13423-023-02370-7

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