Whole animal modelling reveals neuronal mechanisms of decision-making and reproduces unpredictable swimming in frog tadpoles
Whole animal modelling reveals neuronal mechanisms of decision-making and reproduces unpredictable swimming in frog tadpoles
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整体动物模型揭示了决策的神经元机制并重现了青蛙蝌蚪不可预测的游泳
DOI:
10.1101/2021.07.13.452162
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Ferrario A
中科院分区:
文献类型:
--
作者:
Ferrario A
Animal behaviour is based on interaction between nervous, musculoskeletal and environmental systems. How does an animal process sensory stimuli, use it to decide whether and how to respond, and initiate the locomotor behaviour? We build the whole body computer models of a simple vertebrate with a complete chain of neural circuits and body units for sensory information processing, decision-making, generation of spiking activities, muscle innervation, body flexion, body-water interaction, and movement. Our Central Nervous System (CNS) model generates biologically-realistic spiking and reveals that sensory memory populations on two hindbrain sides compete for swimming initiation and first body flexion. Biomechanical 3-dimensional “Virtual Tadpole” (VT) model is constructed to evaluate if motor outputs ofCNS modelcan produce swimming-like movements in a volume of “water”. We find that whole animal modelling generates reliable and realistic swimming. The combination ofCNSandVT modelsopens a new perspective for experiments with immobilised tadpoles.
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