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The effect of visuospatial attentional load on the processing of irrelevant acoustic distractors.
Neuroimage. 2006 Nov 01; 33(2):715-24.N

Abstract

This work investigated the role of cognitive control functions in selective attention when task-relevant and -irrelevant stimuli come from different sensory modalities. We parametrically manipulated the load of an attentive tracking task and investigated its effect on irrelevant acoustic change-related processing. While subjects were performing the visual attentive tracking task, event-related potentials (ERPs) were recorded for frequent standard tones and rare deviant tones presented as auditory distractors. The deviant tones elicited two change-related ERP components: the mismatch negativity (MMN) and the P3a. The amplitude of the MMN, which indexes the early detection of irregular changes, increased with increasing attentional load, whereas the subsequent P3a component, which indicates the involuntary orienting of attention to deviants, was significant only in the lowest load condition. These findings suggest that active exclusion of the early detection process of irrelevant acoustic changes depends on available resources of cognitive control, whereas the late involuntary orienting of attention to deviants can be passively suppressed by high demand on central attentional resources. The present study thus reveals opposing visual attentional load effects at different temporal and functional stages in the rejection of deviant auditory distractors and provides a new perspective on the resolution of the long-standing early versus late attention selection debate.

Authors+Show Affiliations

Department of Neurobiology and Biophysics, Hefei National Laboratory for Physical Science at Microscale, and School of Life Science, University of Science and Technology of China, Hefei, Anhui, 230026, PR China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16956775

Citation

Zhang, Peng, et al. "The Effect of Visuospatial Attentional Load On the Processing of Irrelevant Acoustic Distractors." NeuroImage, vol. 33, no. 2, 2006, pp. 715-24.
Zhang P, Chen X, Yuan P, et al. The effect of visuospatial attentional load on the processing of irrelevant acoustic distractors. Neuroimage. 2006;33(2):715-24.
Zhang, P., Chen, X., Yuan, P., Zhang, D., & He, S. (2006). The effect of visuospatial attentional load on the processing of irrelevant acoustic distractors. NeuroImage, 33(2), 715-24.
Zhang P, et al. The Effect of Visuospatial Attentional Load On the Processing of Irrelevant Acoustic Distractors. Neuroimage. 2006 Nov 1;33(2):715-24. PubMed PMID: 16956775.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effect of visuospatial attentional load on the processing of irrelevant acoustic distractors. AU - Zhang,Peng, AU - Chen,Xiangchuan, AU - Yuan,Peng, AU - Zhang,Daren, AU - He,Sheng, Y1 - 2006/09/07/ PY - 2006/04/21/received PY - 2006/06/29/revised PY - 2006/07/20/accepted PY - 2006/9/8/pubmed PY - 2006/12/9/medline PY - 2006/9/8/entrez SP - 715 EP - 24 JF - NeuroImage JO - Neuroimage VL - 33 IS - 2 N2 - This work investigated the role of cognitive control functions in selective attention when task-relevant and -irrelevant stimuli come from different sensory modalities. We parametrically manipulated the load of an attentive tracking task and investigated its effect on irrelevant acoustic change-related processing. While subjects were performing the visual attentive tracking task, event-related potentials (ERPs) were recorded for frequent standard tones and rare deviant tones presented as auditory distractors. The deviant tones elicited two change-related ERP components: the mismatch negativity (MMN) and the P3a. The amplitude of the MMN, which indexes the early detection of irregular changes, increased with increasing attentional load, whereas the subsequent P3a component, which indicates the involuntary orienting of attention to deviants, was significant only in the lowest load condition. These findings suggest that active exclusion of the early detection process of irrelevant acoustic changes depends on available resources of cognitive control, whereas the late involuntary orienting of attention to deviants can be passively suppressed by high demand on central attentional resources. The present study thus reveals opposing visual attentional load effects at different temporal and functional stages in the rejection of deviant auditory distractors and provides a new perspective on the resolution of the long-standing early versus late attention selection debate. SN - 1053-8119 UR - https://www.unboundmedicine.com/medline/citation/16956775/The_effect_of_visuospatial_attentional_load_on_the_processing_of_irrelevant_acoustic_distractors_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1053-8119(06)00790-7 DB - PRIME DP - Unbound Medicine ER -