Xu Cui while(alive){learn;} – Page 45

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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Learning PaperBox in 2 minutes

PaperBox is a cloud reference manager ideal for labs and teams to collaborate. Get it here: http://www.peaya.com/paperbox Learning PaperBox in 2 minutes from Xu Cui

Xu Cui
Sep 13, 2012 6 sec read

Secrete usage of xjview: Creating a mask based on…

Many users have created masks from a T-test image; xjView also allows you to create a mask based anatomy. Say, if you want to create a mask of Amygdala, how to do that? (You need to use xjview 8.10. 1 min video demo at http://youtu.be/31q_6jumhhM) 1.

Xu Cui
Sep 12, 2012 22 sec read

An fMRI ROI analysis program (beta)

Previously I said I was developing a ROI analysis program (https://www.alivelearn.net/?p=1421). Here it is: Download main program (beta version) at https://www.alivelearn.net/xjview/xjviewpro/xjviewpro.p Download sample input excel file: https://www.

Xu Cui
Sep 10, 2012 21 sec read

Convert coordinates in MNI space to matrix space

Quite often you need to convert the coordinates of some voxels in MNI space to regular matrix coordinates. Below is a script to do so: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% mni2cor %%%%%%%%%%%%%%%

Xu Cui
Sep 1, 2012 43 sec read

I am developing a fMRI ROI analysis program

Check out the program: https://www.alivelearn.net/?p=1439 This program has a very simple graphic interface – only 2 buttons. The ‘load data’ button will ask you to load an excel file where you specify the path of images and event ti

Xu Cui
Aug 21, 2012 21 sec read

于洋/王晓理 2012 奥运会消极比赛录像

2012年伦敦奥运会，在7月31日晚的比赛中，为了避开提前与本方队友在淘汰赛中相遇，女双A组的于洋/王晓理与郑景银/金荷娜，以及女双C组的河贞恩/金窼贞与波莉/乔哈里，都选择了消极对待比赛。这四对组合

Xu Cui
Aug 2, 2012 2 sec read

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

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