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Holographic photo-stimulation for dynamic control of neuronal population activity

机译：全息光刺激动态控制神经元人口活动。

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Spatiotemporal patterns of activity carried across large populations of neurons are the fundamental representation of information within the nervous system. Patterned optical photo-stimulation of neural populations provides a general strategy for controlling such spatial-temporal patterns, but previous realizations of this technology did not allow high-rate, parallel, light-efficient control of large neural populations. To address this challenge, we have been developing a new generation of holographic pattern photo-stimulation systems that use phase-only spatial light modulators (SLM) to create computer-controlled light patterns in two and three dimensions. SLMs use phase modulation and light diffraction to provide a light-efficient method for flexibly creating desired light patterns which can be switched in our systems in millisecond timescales. Holographic photo-stimulation provides a powerful strategy for dynamic patterned photo-stimulation of neural populations and could be used in research and neuroprosthetic interfaces.

机译：跨大量神经元进行的活动的时空模式是神经系统内信息的基本表示。神经种群的图案化光学光刺激提供了控制这种时空模式的一般策略，但是该技术的先前实现不允许对大型神经种群进行高速率，并行，高效的光控制。为了解决这一挑战，我们一直在开发新一代的全息图案光刺激系统，该系统使用仅相位空间光调制器（SLM）来创建二维和三维二维的计算机控制光图案。 SLM使用相位调制和光衍射来提供一种高效的方法来灵活地创建所需的光模式，该模式可以在我们的系统中以毫秒为单位进行切换。全息光刺激为神经种群的动态图案化光刺激提供了强大的策略，可用于研究和神经修复界面。

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来源
《Neural Engineering, 2009. NER '09》|2009年|84-87|共4页
会议地点 Antalya(TR);Antalya(TR)
作者
Matar S.; Golan L.; Farah N.; Reutsky I.; Shoham S.;
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作者单位

Dept. of Biomed. Eng., Technion - Israel Inst. of Technol., Haifa, Israel;

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原文格式 PDF
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关键词
bio-optics; holography; light diffraction; medical control systems; neurophysiology; phase modulation; prosthetics; spatial light modulators; spatiotemporal phenomena; SLM; computer-controlled light patterns; dynamic control; holographic photo-stimulation; nervous system; neuronal population activity; neuroprosthetic interface; patterned optical photo-stimulation; phase-only spatial light modulator; spatiotemporal pattern; ChRII; high-rate photo-stimulation; optical control; two-photon;

机译：生物光学;全息术;光衍射;医学控制系统;神经生理学;相位调制;假肢;空间光调制器;时空现象; SLM;计算机控制的光模式;动态控制;全息照相光刺激;神经系统;神经种群活动;神经假体界面;模式光刺激;仅相位空间光调制器;时空模式; ChRII;高速率光刺激;光学控制;双光子;

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Holographic photo-stimulation for dynamic control of neuronal population activity

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