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An fMRI Study of the Neural Systems Involved in Visually Cued Auditory Top-Down Spatial and Temporal Attention
Li, Chunlin1,2; Chen, Kewei3; Han, Hongbin4; Chui, Dehua4,5,6,7; Wu, Jinglong1
刊名PLOS ONE
2012-11-15
DOI10.1371/journal.pone.0049948
7期:11
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]WORKING-MEMORY ; PREFRONTAL CORTEX ; SELECTIVE ATTENTION ; ORIENTING ATTENTION ; RIGHT-HEMISPHERE ; TARGET DETECTION ; MECHANISMS ; BRAIN ; TIME ; TASK
英文摘要

Top-down attention to spatial and temporal cues has been thoroughly studied in the visual domain. However, because the neural systems that are important for auditory top-down temporal attention (i.e., attention based on time interval cues) remain undefined, the differences in brain activity between directed attention to auditory spatial location (compared with time intervals) are unclear. Using fMRI (magnetic resonance imaging), we measured the activations caused by cue-target paradigms by inducing the visual cueing of attention to an auditory target within a spatial or temporal domain. Imaging results showed that the dorsal frontoparietal network (dFPN), which consists of the bilateral intraparietal sulcus and the frontal eye field, responded to spatial orienting of attention, but activity was absent in the bilateral frontal eye field (FEF) during temporal orienting of attention. Furthermore, the fMRI results indicated that activity in the right ventrolateral prefrontal cortex (VLPFC) was significantly stronger during spatial orienting of attention than during temporal orienting of attention, while the DLPFC showed no significant differences between the two processes. We conclude that the bilateral dFPN and the right VLPFC contribute to auditory spatial orienting of attention. Furthermore, specific activations related to temporal cognition were confirmed within the superior occipital gyrus, tegmentum, motor area, thalamus and putamen.

语种英语
WOS记录号WOS:000311272300078
项目编号21404002
资助机构JSPS KAKENHI ; JSPS ; VINNOVA
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/63535
专题北京大学第三临床医学院_神经内科
作者单位1.Peking Univ, Neurosci Res Inst, Beijing 100871, Peoples R China
2.Capital Med Univ, Sch Biomed Engn, Beijing, Peoples R China
3.Okayama Univ, Biomed Engn Lab, Grad Sch Nat Sci & Technol, Okayama 7008530, Japan
4.Banner Alzheimers Inst, Dept Psychiat, Phoenix, AZ USA
5.Peking Univ, Dept Neurol, Hosp 3, Beijing 100871, Peoples R China
6.Peking Univ, Dept Neurobiol, Key Lab Neurosci, Minist Educ, Beijing 100871, Peoples R China
7.Peking Univ, Minist Publ Hlth, Hlth Sci Ctr, Beijing 100871, Peoples R China
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GB/T 7714
Li, Chunlin,Chen, Kewei,Han, Hongbin,et al. An fMRI Study of the Neural Systems Involved in Visually Cued Auditory Top-Down Spatial and Temporal Attention[J]. PLOS ONE,2012,7(11).
APA Li, Chunlin,Chen, Kewei,Han, Hongbin,Chui, Dehua,&Wu, Jinglong.(2012).An fMRI Study of the Neural Systems Involved in Visually Cued Auditory Top-Down Spatial and Temporal Attention.PLOS ONE,7(11).
MLA Li, Chunlin,et al."An fMRI Study of the Neural Systems Involved in Visually Cued Auditory Top-Down Spatial and Temporal Attention".PLOS ONE 7.11(2012).
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