A programmable bioamplifier on FPAA for in vivo neural recording

A. Zbrzeski, P. Hasler, Florian Kolbl, Emilie Syed, N. Lewis, S. Renaud
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引用次数: 13

Abstract

Neural recording and processing systems are key instruments for investigating brain mechanisms, related to pathologies for example. For preliminary investigations on the mechanisms, we don't exactly know what the useful information is and how we should process it; thus we propose to use a reconfigurable device for the recording systems before full-custom ASIC fabrication. We use Large-Scale FPAA for interactive prototyping of the analog front-end functions involved in bio-potential recording. This paper presents a configurable measurement bench for in vivo brain LFP recording. We give electrical performances and detail the experimental methodology and measurements conducted on anesthetized and moving rats.
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基于FPAA的可编程生物放大器的体内神经记录
神经记录和处理系统是研究大脑机制的关键工具,例如与病理相关的机制。对于机制的初步调查,我们并不确切地知道什么是有用的信息以及我们应该如何处理它;因此,我们建议在完全定制ASIC制造之前使用可重构设备用于记录系统。我们使用大规模FPAA对生物电位记录中涉及的模拟前端功能进行交互原型设计。提出了一种可配置的脑内LFP测量平台。我们给出电性能和详细的实验方法和测量进行了麻醉和运动的大鼠。
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