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Functional Near Infrared Spectroscopy (fNIRS): List of manufactures

Contents Company Products Artinis Brite, OxyMon, OctaMon, PortaMon, PortaLite BIOPAC fNIR 100, fNIR2000M Series CORTIVISION PHOTONCAP Huichuang Medical NirScan-900X, NirSmartⅡ- Pro GOWERLABS NTS fNIRS

Xiaodan Feng
Apr 21, 2020 15 min read

What does a wavelet coherence plot tell you?

Can you find any pattern in the two signals, green and blue? The blue signal is the brain wave (measured by NIRS) of a person when he is pressing some buttons (the timing of button pressing is shown i

Xu Cui
Aug 27, 2012 1 min read

Wavelet Coherence

Wavelet transform coherence (WTC) is a method for analyzing the coherence and phase lag between two time series as a function of both time and frequency (Chang and Glover 2010). Here I played with it

Xu Cui
Aug 31, 2010 1 min read

SVM regression with libsvm

SVM is mostly commonly used for binary classifications. But one branch of SVM, SVM regression or SVR, is able to fit a continuous function to data. This is particularly useful when the predicted varia

Xu Cui
May 20, 2010 1 min read

浅谈近红外脑成像英文期刊文章撰写

本文作者是刘宁博士作者简介：刘宁，塔夫斯大学生物医学工程博士（Tufts University），斯坦福大学脑科学方向科研人员。 Frontiers 杂志客座编辑（Guest Associate Editor for Fronti

Xu Cui
Jun 23, 2022 11 sec read

nirs2img, create an image file from NIRS data

Update 2021/2/27: If you find griddata3 not working, try to change griddata3 to griddata. I was asked where to get nirs2img script. Here it is. The download link is at the bottom of this article. nirs2img is to create an image file from the input data. Then theimage file can be viewed by a

Xu Cui
Oct 2, 2019 51 sec read

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Funny video on lean startups

Found this funny video https://www.youtube.com/embed/3J9KhpgYVB0

Xu Cui
Nov 15, 2011 2 sec read

Using environment variables in MatLab

Quite often you need to call external or system commands inside MatLab. Sometimes that external commands requires setting up environment variables in the shell. If would be a pain to do the environment setup inside MatLab. The easiest way I know of t

Xu Cui
Sep 12, 2011 14 sec read

Small MatLab tips

genpath When you add a folder to path, you often want to add all its subfolders (and their subfolders) to path too. In this case, you can use genpath. e.g. addpath(genpath(pwd)) use ii, instead of i, in loop (suggested by Chess Stetson) You probably

Xu Cui
Sep 6, 2011 1 min read

Near Infrared Spectroscopy (NIRS): List of manufactures

This post is under updating … The information is not complete Table can be found here: https://spreadsheets.google.com/spreadsheet/ccc?key=0AmI1wIXzRozHdFQzWHNQajI5eTlOeWRFd0tCT0hwYmc&hl=en_US Artinis OctaMon The m

Xu Cui
Aug 15, 2011 2 min read

QQ上遇到骗子了

昨天晚上QQ上，有一个高中同学给我打招呼。我就启动了视频聊天，那边也有视频，没有声音。我猜想他的话筒有问题了吧，这也正常。他问了常规性的问题，比如我在哪里啊，什么时候回来啊等等。我也回答了。让后他说他

Xu Cui
Aug 10, 2011 0 sec read

What does a wavelet transform plot tell you?

Let’s say you collected some brain data (time series) using NIRS while the participants were performing a task (say finger tapping), and you use the wt function in the “Cross Wavelet and Wavelet Coherence Toolbox” (link dead. Please

Xu Cui
Jun 29, 2011 1 min read

Hyperbolic discounting emerges from the scalar property of interval…

Ten dollars today is more attractive than the same amount of money tomorrow and is consistent with the well known proverb, “a bird in the hand is worth two in the bush”. We all know that the value of a reward is discounted over time. How the value di

Xu Cui
Jun 7, 2011 16 sec read

9 common mistakes in presentation and slides

When you give a presentation, try to avoid the following common mistakes: Too much text The best way to bore your audience. Also, audience will start focusing and reading the text and ignore your talk. Read slides People read text faster than you. Y

Xu Cui
May 18, 2011 32 sec read

Ric Elias: 3 things I learned while my plane…

Ric Elias is the CEO of Red Ventures, a marketing services company that grew out of Elias’ long experience in business. He had a front-row seat on Flight 1549, the plane that crash-landed in the Hudson River in New York in January 2009. What di

Xu Cui
May 10, 2011 24 sec read

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