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Movement Generation with Circuits of Spiking Neurons

Joshi, Prashant and Maass, Wwolfgang (2005) Movement Generation with Circuits of Spiking Neurons. Neural Computation, 17 (8). pp. 1715-1738. ISSN 0899-7667.

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How can complex movements that take hundreds of milliseconds be generated by stereotypical neural microcircuits consisting of spiking neurons with a much faster dynamics? We show that linear readouts from generic neural microcircuit models can be trained to generate basic arm movements. Such movement generation is independent of the arm model used and the type of feedback that the circuit receives. We demonstrate this by considering two different models of a two-jointed arm, a standard model from robotics and a standard model from biology, that each generates different kinds of feedback. Feedback that arrives with biologically realistic delays of 50 to 280 ms turns out to give rise to the best performance. If a feedback with such desirable delay is not available, the neural microcircuit model also achieves good performance if it uses internally generated estimates of such feedback. Existing methods for movement generation in robotics that take the particular dynamics of sensors and actuators into account (embodiment of motor systems) are taken one step further with this approach, which provides methods for also using the embodiment of motion generation circuitry, that is, the inherent dynamics and spatial structure of neural circuits, for the generation of movement.

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Additional Information:Received March 10, 2004; accepted December 8, 2004. © 2005 Massachusetts Institute of Technology. This work was partially supported by the Austrian Science Fund FWF, project P15386, and PASCAL, project IST2002-506778, of the European Union.
Group:Koch Laboratory (KLAB)
Funding AgencyGrant Number
Austrian Science Fund FWFP15386
Issue or Number:8
Record Number:CaltechAUTHORS:20130816-103156000
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:40418
Deposited By: KLAB Import
Deposited On:05 Feb 2008 23:34
Last Modified:03 Oct 2019 05:13

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