Week 3: Modeling the Antennal Lobe

Last week we finished modeling a glomerulus. This week, we are working on modeling multiple glomeruli to form a complete Antennal Lobe.


For starters, we decided to have 6 glomeruli in the model. This decision was made so that when odor stimulus is modeled, we can have 3 glomeruli receiving odor and 3 that do not.


The Antennal Lobe itself wasn’t terribly tricky to model. It really only involved creating multiple instances of glomeruli and then interconnecting them according to the probabilities discussed last time. However, this week we had to now create reasonable output to create a picture of the dynamics occurring within the model. In order to do that, we wanted to output data to make a raster plot.


A raster plot is a graph that simply places a small line on a timeline every time that a neuron fires. Using these plots, we are able to gain a qualitative description of the entire model at once. Shown below is the raster plot for the model that we have so far.




With the ability to retrieve information from the model, we now have a fully functioning model that we can analyze. The only thing that we need to add now is the stimulus! Next week we will begin to add odor stimulus to the model, and experiment with its properties.

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