Computation of object approach by a wide-field, motion-sensitive neuron |
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| Authors: | F Gabbiani HG Krapp G Laurent |
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| Affiliation: | Computation and Neural Systems Program, Division of Biology, California Institute of Technology, Pasadena, California 91125, USA. |
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| Abstract: | The lobula giant motion detector (LGMD) in the locust visual system is a wide-field, motion-sensitive neuron that responds vigorously to objects approaching the animal on a collision course. We investigated the computation performed by LGMD when it responds to approaching objects by recording the activity of its postsynaptic target, the descending contralateral motion detector (DCMD). In each animal, peak DCMD activity occurred a fixed delay delta (15
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