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Understanding interactions between networks controlling distinct behaviours: Escape and

Summary: Understanding interactions between networks
controlling distinct behaviours: Escape and
swimming in larval zebrafish
P. Dwight Kuo1 and Chris Eliasmith1,2
20th September 2003
Systems Design Engineering1 & Philosophy2, University of Waterloo, Waterloo ON
Spinal neural networks in larval zebrafish generate a variety of movements
such as escape, struggling, and swimming. There have been a number of untested
proposals regarding possible mechanisms at both the network and neural levels
to account for switches between these behaviours. However, there are currently
no detailed demonstrations of such mechanisms, so it is not possible to determine
which are plausible and which are not. Here we propose a detailed, biologically
plausible model of the interactions between the swimming and escape networks in
the larval zebrafish. This model shows how distinct behaviours can be controlled
by anatomically overlapping networks. More generally, this paper demonstrates
a method for constructing spiking networks consistent with both high-level be-
havioural descriptions and available neural data.
keywords: CPG; zebrafish; network interaction; motor co-ordination
1 Introduction


Source: Anderson, Charles H. - Departments of Anatomy and Neurobiology & Physics, Washington University in St. Louis


Collections: Computer Technologies and Information Sciences; Biology and Medicine