Wirelessly powered, fully internal optogenetics for brain, spinal and peripheral circuits in mice.

Wirelessly powered, fully internal optogenetics for brain, spinal and peripheral circuits in mice.
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DOI:
10.1038/nmeth.3536
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发表时间:
2015-10
期刊:
影响因子:
48
通讯作者:
Poon AS
Poon AS
中科院分区:
生物学1区
文献类型:
--
作者:
Montgomery KL;Yeh AJ;Ho JS;Tsao V;Mohan Iyer S;Grosenick L;Ferenczi EA;Tanabe Y;Deisseroth K;Delp SL;Poon AS

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To enable sophisticated optogenetic manipulation of neural circuits throughout the nervous system with limited disruption of animal behavior, light-delivery systems beyond fiber optic tethering and large, head-mounted wireless receivers are desirable. We report the development of an easy-to-construct, implantable wireless optogenetic device. Our smallest version (20 mg, 10 mm3) is two orders of magnitude smaller than previously reported wireless optogenetic systems, allowing the entire device to be implanted subcutaneously. With a radio-frequency (RF) power source and controller, this implant produces sufficient light power for optogenetic stimulation with minimal tissue heating (<1 °C). We show how three adaptations of the implant allow for untethered optogenetic control throughout the nervous system (brain, spinal cord and peripheral nerve endings) of behaving mice. This technology opens the door for optogenetic experiments in which animals are able to behave naturally with optogenetic manipulation of both central and peripheral targets.
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