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Segregation of object and background motion in the retina

Ölveczky, Bence P. and Baccus, Stephen A. and Meister, Markus (2003) Segregation of object and background motion in the retina. Nature, 423 (6938). pp. 401-408. ISSN 0028-0836. doi:10.1038/nature01652.

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An important task in vision is to detect objects moving within a stationary scene. During normal viewing this is complicated by the presence of eye movements that continually scan the image across the retina, even during fixation. To detect moving objects, the brain must distinguish local motion within the scene from the global retinal image drift due to fixational eye movements. We have found that this process begins in the retina: a subset of retinal ganglion cells responds to motion in the receptive field centre, but only if the wider surround moves with a different trajectory. This selectivity for differential motion is independent of direction, and can be explained by a model of retinal circuitry that invokes pooling over nonlinear interneurons. The suppression by global image motion is probably mediated by polyaxonal, wide-field amacrine cells with transient responses. We show how a population of ganglion cells selective for differential motion can rapidly flag moving objects, and even segregate multiple moving objects.

Item Type:Article
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Meister, Markus0000-0003-2136-6506
Additional Information:© 2003 Nature Publishing Group. Received 20 December 2002; Accepted 18 March 2003; Published online 11 May 2003. We thank members of the Meister laboratory for advice; P. Cavanagh, F. Engert, V. Murthy and K. Nakayama for comments on the manuscript; and H. van der Steen for providing the eye movement data in Fig. 1b. This work was supported by a grant from NEI (M.M.) and NRSA (S.A.B.). The authors declare no competing financial interests.
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National Eye InstituteUNSPECIFIED
NIH Predoctoral FellowshipUNSPECIFIED
Issue or Number:6938
Record Number:CaltechAUTHORS:20170404-152615141
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Official Citation:Segregation of object and background motion in the retina Bence P. Ölveczky, Stephen A. Baccus and Markus Meister Nature 423, 401-408 (22 May 2003) doi:10.1038/nature01652
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:75705
Deposited By: Tony Diaz
Deposited On:04 Apr 2017 22:37
Last Modified:15 Nov 2021 16:35

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