The functional roles of feedback projections in the visual system |
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| Authors: | Tian-De Shou |
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| Affiliation: | 1. Vision Research Laboratory, Center for Brain Science Research and School of Life Sciences, Fudan University, Shanghai, 200433, China
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| Abstract: | Neurons in the nervous system make connections with ascending feedforward projections and descending feedback projections, as well as projections from neural structures at the identical hierarchical level. These neurons form extremely complicated neural networks and pathways. Compared with the role of the feedforward projection, much less is known concerning the functional roles of the feedback projection. Visual cortex is a good model for studying functional roles of cortical feedback projections which involve many high functions, such as attention, searching and cognition. The present review mainly focused on the functional roles of feedback projections in the visual system. |
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| Keywords: | feedback projection feedforward projection visual system visual attention oblique effect |
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