Dorsal and Ventral Attention Systems

Neuroscientist - Tập 20 Số 2 - Trang 150-159 - 2014
Simone Vossel1,2, Joy J. Geng3, Gereon R. Fink1,4
1Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM-3), Research Centre Juelich, Germany
2Wellcome Trust Centre for Neuroimaging, University College London, UK
3Center for Mind and Brain and Department of Psychology, University of California, Davis, USA
4Department of Neurology, University Hospital Cologne, Germany

Tóm tắt

The idea of two separate attention networks in the human brain for the voluntary deployment of attention and the reorientation to unexpected events, respectively, has inspired an enormous amount of research over the past years. In this review, we will reconcile these theoretical ideas on the dorsal and ventral attentional system with recent empirical findings from human neuroimaging experiments and studies in stroke patients. We will highlight how novel methods—such as the analysis of effective connectivity or the combination of neurostimulation with functional magnetic resonance imaging—have contributed to our understanding of the functionality and interaction of the two systems. We conclude that neither of the two networks controls attentional processes in isolation and that the flexible interaction between both systems enables the dynamic control of attention in relation to top-down goals and bottom-up sensory stimulation. We discuss which brain regions potentially govern this interaction according to current task demands.

Từ khóa


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Neuroscientist

Tập 20 Số 2

150-159

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