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arXiv 2602.22364q-bio.NC
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培养皮层神经元中的时空爆发活动

Spatiotemporal bursting in simulated cultures of cortical neurons

University of Washington Bothell(华盛顿大学博塞尔分校);Philips Healthcare(飞利浦医疗)

Michael Stiber, Natalie Gonzales, Jewel YunHsuan Lee

AI总结:

通过模拟研究,发现培养皮层神经元网络中的爆发活动起源于少数网络位置并以波形式传播,且不需要精细调节参数。

摘要:

在多电极阵列上培养的神经元已成为研究发育中神经网络的常见实验准备。实验和模拟表明,这些发育中的网络最终会表现出爆发行为,即整个培养物在短时间内参与爆发,而在爆发间期网络相对静止。本文通过检查这种爆发的时空模式,扩展了先前的模拟结果。我们表明这些爆发起源于少数网络位置,并以活动波的形式传播。我们证明这种活动类型不需要精细调节神经元或网络参数。我们还研究了这种活动在发育过程中如何变化,以及这种活动及其触发对局部和全局网络特性的依赖性。

英文摘要:

Cultures of neurons grown on multi-electrode arrays have become a common experimental preparation for investigating developing neural networks. Experiment and simulation have shown that these developing networks eventually exhibit bursting behavior in which the entire culture participates for short periods of time, with inter-burst intervals in which the network is comparatively quiescent. This paper extends previous simulation results by examining the spatiotemporal patterns of such bursting. We show that these bursts originate at a small number of network locations and propagate as waves of activity. We demonstrate that this type of activity does not require fine tuning of neuron or network parameters. We also examine how this activity changes during development and the dependence of such activity and its triggering on both local and global network properties.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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