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一种 TD fNIRS 设备的可靠快速（20 Hz）采集率：脑静息状态振荡研究。

Reliable Fast (20 Hz) Acquisition Rate by a TD fNIRS Device: Brain Resting-State Oscillation Studies.

机构信息

Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milan, Italy.

Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche, Piazza Leonardo da Vinci, 32, 20133 Milan, Italy.

出版信息

Sensors (Basel). 2022 Dec 24;23(1):196. doi: 10.3390/s23010196.

DOI:10.3390/s23010196
PMID:36616792
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9823873/
Abstract

A high power setup for multichannel time-domain (TD) functional near infrared spectroscopy (fNIRS) measurements with high efficiency detection system was developed. It was fully characterized based on international performance assessment protocols for diffuse optics instruments, showing an improvement of the signal-to-noise ratio (SNR) with respect to previous analogue devices, and allowing acquisition of signals with sampling rate up to 20 Hz and source-detector distance up to 5 cm. A resting-state measurement on the motor cortex of a healthy volunteer was performed with an acquisition rate of 20 Hz at a 4 cm source-detector distance. The power spectrum for the cortical oxy- and deoxyhemoglobin is also provided.

摘要

我们开发了一种用于多通道时域（TD）功能近红外光谱（fNIRS）测量的高功率设置，该设置具有高效检测系统。它是根据漫射光学仪器的国际性能评估协议进行全面表征的，与以前的模拟设备相比，该系统提高了信噪比（SNR），并允许以高达 20 Hz 的采样率和高达 5 cm 的源-探测器距离采集信号。在一个健康志愿者的运动皮层上进行了采集率为 20 Hz、源-探测器距离为 4 cm 的静息状态测量。还提供了皮质氧合血红蛋白和脱氧血红蛋白的功率谱。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/aafee01b46ed/sensors-23-00196-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/7bb244bd4825/sensors-23-00196-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/06669b5e0302/sensors-23-00196-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/9377c5bb82ac/sensors-23-00196-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/7591cf1b1879/sensors-23-00196-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/86a5d908667c/sensors-23-00196-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/c4d56b5ce839/sensors-23-00196-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/0b24e881b309/sensors-23-00196-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/33c4b99627cd/sensors-23-00196-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/aafee01b46ed/sensors-23-00196-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/7bb244bd4825/sensors-23-00196-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/06669b5e0302/sensors-23-00196-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/9377c5bb82ac/sensors-23-00196-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/7591cf1b1879/sensors-23-00196-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/86a5d908667c/sensors-23-00196-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/c4d56b5ce839/sensors-23-00196-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/0b24e881b309/sensors-23-00196-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/33c4b99627cd/sensors-23-00196-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e6e1/9823873/aafee01b46ed/sensors-23-00196-g009.jpg

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