How MT cells analyze the motion of visual patterns. Export

@article{Movshon06:MT, abstract = {Neurons in area MT (V5) are selective for the direction of visual motion. In addition, many are selective for the motion of complex patterns independent of the orientation of their components, a behavior not seen in earlier visual areas. We show that the responses of MT cells can be captured by a linear-nonlinear model that operates not on the visual stimulus, but on the afferent responses of a population of nonlinear V1 cells. We fit this cascade model to responses of individual MT neurons and show that it robustly predicts the separately measured responses to gratings and plaids. The model captures the full range of pattern motion selectivity found in MT. Cells that signal pattern motion are distinguished by having convergent excitatory input from V1 cells with a wide range of preferred directions, strong motion opponent suppression and a tuned normalization that may reflect suppressive input from the surround of V1 cells.}, author = {Rust, Nicole C. and Mante, Valerio and Simoncelli, Eero P. and Movshon, Anthony J.}, citeulike-article-id = {913190}, citeulike-linkout-0 = {http://dx.doi.org/10.1038/nn1786}, citeulike-linkout-1 = {http://dx.doi.org/10.1038/nn1786}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/17041595}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=17041595}, day = {15}, doi = {10.1038/nn1786}, issn = {1097-6256}, journal = {Nature neuroscience}, keywords = {monkey, motion, vision}, month = {November}, number = {11}, pages = {1421--1431}, posted-at = {2009-02-05 16:20:18}, priority = {2}, publisher = {Nature Publishing Group}, title = {How MT cells analyze the motion of visual patterns.}, url = {http://dx.doi.org/10.1038/nn1786}, volume = {9}, year = {2006} }

TY - JOUR ID - Movshon06:MT L3 - citeulike-article-id:913190 N2 - Neurons in area MT (V5) are selective for the direction of visual motion. In addition, many are selective for the motion of complex patterns independent of the orientation of their components, a behavior not seen in earlier visual areas. We show that the responses of MT cells can be captured by a linear-nonlinear model that operates not on the visual stimulus, but on the afferent responses of a population of nonlinear V1 cells. We fit this cascade model to responses of individual MT neurons and show that it robustly predicts the separately measured responses to gratings and plaids. The model captures the full range of pattern motion selectivity found in MT. Cells that signal pattern motion are distinguished by having convergent excitatory input from V1 cells with a wide range of preferred directions, strong motion opponent suppression and a tuned normalization that may reflect suppressive input from the surround of V1 cells. IS - 11 JF - Nature neuroscience SN - 1097-6256 EP - 1431 TI - How MT cells analyze the motion of visual patterns. PB - Nature Publishing Group VL - 9 SP - 1421 KW - monkey KW - motion KW - vision AU - Rust, Nicole AU - Mante, Valerio AU - Simoncelli, Eero AU - Movshon, Anthony PY - 2006/11/15/ UR - http://dx.doi.org/10.1038/nn1786 ER -