Cricket Cercal System

Starting a new project in Short Labs about the Cricket Cercal System.

As I don’t have a wet lab just a computer, some programs and the internet, this is an experiment to see what I can accomplish with this. I can also raise crickets and a prey species.

I’ll start with some ideas and questions and answer them as I go along:

  • I have found models and neural maps of cercal sensory neurons along with many parameters, some of which I have screen-scraped for an earlier project. Create a database of all this information and see what can be done with it.
  • Insect olfactory sensory neurons have a single dendrite complexed with specialized glial cells and don’t fire an action potential. The dendrite has been modeled physically and electronically. Cercal sensory neurons might be similar but I have yet to see anything about this, the current models are just the axon arbors. I know of no electro-chemical parameters although there might be some for the axonal varicosities.
  • The seems to be at least physical models for the 9-3 and 10-3 giant interneurons but I haven’t found these published.
  • There have been at least one study published of the air vortex created when a spider pounces. One important question: are the timing patterns, thickness or force of each successive vortex fractal?
  • One paper claims that the interneurons are acting as a notch filter. Explore this idea and how does the idea of timing and major dendrite branching going to specific parts of the neural map relate to the work of Carsten Duch on single neuron computation.
  • The neural map is shaped like a helix. What does this mean? Look at Winfree: “The Geometry of Biological Time.”


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