Axon guidance simulation: a multi-agent approach
© Costa and Macedo; licensee BioMed Central Ltd. 2008
Published: 11 July 2008
One of the greatest problems lacking resolution in neuroscience is to know how axons travel from one source neuron to its target neuron (axon guidance problem). It is known that there are thousands of actors (e.g. Axons, Neurons, Glia cells, Guide Posts, tissues, etc.) in this environment and that these actors interact with each other using molecules (guidance cues), constituting a very complex system in which interesting behaviors can be found (e.g. Cooperation, Fasciculation and Competition). Neuroscientists encounter several difficulties when trying to study this subject, such as the time and preparation of in vivo/vitro experiments, ethical aspects and mistakes in interpretations caused by non-controlled side effects .
The answer to this problem is of high importance because it could lead to new insights in neuronal regeneration and so improve the quality of life of millions of people over the world. As suggested by  combined computational-experimental collaborations can potentially make inroads that neither one could achieve alone.
The Multi-Agent Systems (MAS) paradigm  is an appropriate approach for modeling complex systems such as axon guidance . We propose a Multi-Agent simulation system to be used by neuroscientists in order to test theories and gain deeper knowledge about axon guidance, that contrary to studies already made can bring in a single platform all of the important elements easily (see , for an extensive list of answers that can be achieved with the help of simulation).
Simulating axon guidance
In the simulation there are several agents and many others can be added, but for now the total number of agents can go from 5 (Environment, Guidance Cue, Source Neuron, Target Neuron and Axon) to 8 (Environment, Guidance Cue, Source Neuron, Target Neuron, Axon, Guide post, Glia Cell, Tissue). All of the simulation is dynamic and almost any parameter can be changed during runtime.
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