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The effect of proprioceptive feedback on the distribution of sensory information in a model of an undulatory organism

Jones, B, Jin, Y, Sendhoff, B and Yao, X (2011) The effect of proprioceptive feedback on the distribution of sensory information in a model of an undulatory organism In: 10th European Conference, ECAL 2009, 2009-09-13 - 2009-09-16, Budapest, Hungary.

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Abstract

In an animal, a crucial factor concerning the arrival of information at the sensors and subsequent transmission to the effectors, is how it is distributed. At the same time, higher animals also employ proprioceptive feedback so that their respective neural circuits have information regarding the state of the animal body. In order to disseminate what this practically means for the distribution of sensory information, we have modeled a segmented swimming organism (animat) coevolving its nervous system and body plan morphology. In a simulated aquatic environment, we find that animats artificially endowed with proprioceptive feedback are able to evolve completely decoupled central pattern generators (CPGs) meaning that they emerge without any connections made to neural circuits in adjacent body segments. Without such feedback however, we also find that the distribution of sensory information from the head of the animat becomes far more important, with adjacent CPG circuits becoming interconnected. Crucially, this demonstrates that where proprioceptive mechanisms are lacking, more effective delivery of sensory input is essential.

Item Type: Conference or Workshop Item (Paper)
Additional Information: The original publication is available at www.springerlink.com
Divisions: Faculty of Engineering and Physical Sciences > Computing Science
Depositing User: Symplectic Elements
Date Deposited: 06 Jul 2012 09:41
Last Modified: 23 Sep 2013 19:27
URI: http://epubs.surrey.ac.uk/id/eprint/532809

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