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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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Number in Neuroscience

This is some numbers I collected long time ago. What How Much Where Constants and Equations (a list) go to Brain Facts (a list) go to Metabolic Energy (a list) go to Number of neurons and synapses neurons 1011 synapses 1014 pyramidal neurons >80%

Xu Cui
Jul 19, 2012 1 min read

Hyperscanning with Near Infrared Spectroscopy

This is a manuscript Chao and myself prepared for a “commentary”. We think NIRS based hyperscanning has a great potential on the shift from one-person neuroscience to 2-people neuroscience. —- Toward an Ecologically Valid Second-per

Xu Cui
May 30, 2012 4 min read

The most helpful codes (2 lines) in SPM

While discussing data analysis with a coworker today, I Jokingly said my experience on brain imaging can be condensed into two lines of code: V = spm_vol('filename.img'); % note: spm_vol can also take nii files as input M = spm_read_vols(V); % M is a

Xu Cui
May 14, 2012 17 sec read

Sex vs Gender

We had an interesting discussion on the difference between sex and gender. According to Allan, sex refers to the biological difference (chromosomes contain Y), while gender refers to how a person thinks of himself/herself. So when a person believes h

Xu Cui
Apr 16, 2012 12 sec read

Learn Peaya Paper in 5 minutes!

Learning Peaya Paper in 5 Minutes View more presentations from Xu Cui.

Xu Cui
Mar 24, 2012 2 sec read

Days of fear

Great post by Liz Elcoate. The following diagram by her describes my situation very well. No work + No money = Inertia + Paralysing fear + Panic = NIL productivity

Xu Cui
Mar 14, 2012 5 sec read

SixthSense

Xu Cui
Mar 14, 2012 0 sec read

Games used in human brain research [3]

Go-Nogo game This game is fairly simple, but it’s very hard to get all correct. A subject sits in front of a computer. In the “go” block, a series of letters will appear one after another in the center of the screen. The subject has

Xu Cui
Jan 19, 2012 50 sec read

[share] An inspirational video: if you never failed, you…

Xu Cui
Jan 15, 2012 0 sec read

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