Flexible simultaneous mesoscale two-photon imaging of neural activity at high speeds.

Flexible simultaneous mesoscale two-photon imaging of neural activity at high speeds.
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DOI:
10.1038/s41467-021-26737-3
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发表时间:
2021-11-17
影响因子:
16.6
通讯作者:
Chen JL
Chen JL
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Clough M;Chen IA;Park SW;Ahrens AM;Stirman JN;Smith SL;Chen JL

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了解大脑功能需要监测局部和全局的大脑动力学。跨介观尺度的脑的双光子成像呈现了成像区域和采集速度之间的权衡。我们描述了一种灵活的细胞分辨率的双光子显微镜,能够同时视频速率采集四个独立的有针对性的大脑区域跨越一个约5毫米的视野。有了这个系统,我们证明了在行为相关的时间尺度上测量小鼠感觉运动皮层钙活动的能力。利用双光子显微镜进行功能性脑成像受到成像区域和采集速度之间的权衡的限制。在这里,作者介绍了Quadroscope,这是一种灵活的显微镜,可以同时视频速率采集5 mm范围内的四个独立的可靶向大脑区域。
Understanding brain function requires monitoring local and global brain dynamics. Two-photon imaging of the brain across mesoscopic scales has presented trade-offs between imaging area and acquisition speed. We describe a flexible cellular resolution two-photon microscope capable of simultaneous video rate acquisition of four independently targetable brain regions spanning an approximate five-millimeter field of view. With this system, we demonstrate the ability to measure calcium activity across mouse sensorimotor cortex at behaviorally relevant timescales. Functional brain imaging with two-photon microscopy is limited by a tradeoff between imaging area and acquisition speed. Here, the authors present Quadroscope, a flexible microscope which allows for simultaneous video rate acquisition of four independently targetable brain regions across 5 mm.
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发表时间: 2012
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