期刊
NEUROIMAGE
卷 74, 期 -, 页码 77-86出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.neuroimage.2013.02.023
关键词
Top-down attention; Visual; Auditory; Dorsal attention network; Independent component analysis; Endogenous
资金
- Medical Research Council of the UK
- MRC [G0701951, MR/K014129/1] Funding Source: UKRI
- Medical Research Council [G0701951, MR/K014129/1] Funding Source: researchfish
- National Institute for Health Research [NIHR-RP-011-048] Funding Source: researchfish
A central question for cognitive neuroscience is whether there is a single neural system controlling the allocation of attention. A dorsal frontoparietal network of brain regions is often proposed as a mediator of top-down attention to all sensory inputs. We used functional magnetic resonance imaging in humans to show that the cortical networks supporting top-down attention are in fact modality-specific, with distinct superior fronto-parietal and fronto-temporal networks for visuospatial and non-spatial auditory attention respectively. In contrast, parts of the right middle and inferior frontal gyri showed a common response to attentional control regardless of modality, providing evidence that the amodal component of attention is restricted to the anterior cortex. (C) 2013 Elsevier Inc. All rights reserved.
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