Theory of arachnid prey localization (Sturzl et al. 2000)


"Sand scorpions and many other arachnids locate their prey through highly sensitive slit sensilla at the tips (tarsi) of their eight legs. This sensor array responds to vibrations with stimulus-locked action potentials encoding the target direction. We present a neuronal model to account for stimulus angle determination using a population of second-order neurons, each receiving excitatory input from one tarsus and inhibition from a triad opposite to it. ..."

Model Type: Neuron or other electrically excitable cell

Model Concept(s): Pattern Recognition; Simplified Models; Direction Selectivity

Simulation Environment: Brian (web link to method); Python (web link to model)

Implementer(s): Brette R

References:

St├╝rzl W, Kempter R, van Hemmen JL. (2000). Theory of arachnid prey localization. Physical review letters. 84 [PubMed]


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