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Adaptive Behavior
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Evolving a Neural Model of Insect Path Integration

Thomas Haferlach

Institute of Perception, Action and Behaviour, University of Edinburgh, UK, t.haferlach{at}sms.ed.ac.uk

Jan Wessnitzer

Institute of Perception, Action and Behaviour, University of Edinburgh, UK, jwessnit{at}inf.ed.ac.uk

Michael Mangan

Institute of Perception, Action and Behaviour, University of Edinburgh, UK, m.mangan{at}sms.ed.ac.uk

Barbara Webb

Institute of Perception, Action and Behaviour, University of Edinburgh, UK, bwebb{at}inf.ed.ac.uk

Path integration is an important navigation strategy in many animal species. We use a genetic algorithm to evolve a novel neural model of path integration, based on input from cells that encode the heading of the agent in a manner comparable to the polarization-sensitive interneurons found in insects. The home vector is encoded as a population code across a circular array of cells that integrate this input. This code can be used to control return to the home position. We demonstrate the capabilities of the network under noisy conditions in simulation and on a robot.

Key Words: path integration • direction cells • genetic algorithm • neural network • simulation • robot

Adaptive Behavior, Vol. 15, No. 3, 273-287 (2007)
DOI: 10.1177/1059712307082080
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This article has been cited by other articles:


Home page
 Adaptive BehaviorHome page
R. J. Vickerstaff and E. A. Di Paolo
Regarding Compass Response Functions For Modeling Path Integration: Comment on "Evolving a Neural Model of Insect Path Integration"
Adaptive Behavior, August 1, 2008; 16(4): 275 - 276.
[PDF]

Home page
 Adaptive BehaviorHome page
J. Wessnitzer, T. Haferlach, M. Mangan, and B. Webb
Path Integration Using a Model of e-Vector Orientation Coding in the Insect Brain: Reply to Vickerstaff and Di Paolo
Adaptive Behavior, August 1, 2008; 16(4): 277 - 280.
[PDF]