Archive > Volume 19 Issue 2 > 2023,19(2):112-116. DOI:https://doi.org/10.1007/s11801-023-2095-0 CSTR:[cstr] Prev Next
A BLG1 neural model implements the unique looming selectivity to diving target
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Abstract:
The bistratified lobula giant type 1 (BLG1) neuron is an identified looming-sensitive neuron in crab’s visual brain that demonstrates special sensitivity to diving targets, or descending approaching motions. In this paper, a novel neural model is proposed to shape such unique selectivity through incorporating a bio-plausible feedforward contrast inhibition synapse and a radially extending spatial enhancement distribution. Herein the synaptic connections and neuronal functions of this model are placed within a framework for matching and describing underlying biological findings. The systematic and comparative experiments have validated the proposed computational model that reconciles with the characteristics of BLG1 neurons in crab.
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