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
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
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
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
from Hans’ blog: http://weblog.hansotten.com/?p=833 Delphi 7 is not quite compatible with Win 7. But you can solve this problem by following Hans’ steps: Run this as administrator. Open the properties on c:/program files/delphixxx directo
Assume you have an image F and you identify a point (x,y,z) on this image (say with SPM’s display function). You then normalize this image F according to a template image G using SPM. Now you want to know that point’s corresponding coordi
You may receive a direct message from one of your friends saying: Hi, xxx! A new twitter service! Try it, nice one! http://twltter.ru/ Don’t click the link! I clicked and it’s exactly identical to twitter’s own interface. I thought
Both E-prime and MatLab are popular tools for presenting stimuli for fMRI, NIRS and behavioral experiments. Here are a comparison between them. E-Prime MatLab + psychophysics toolbox price ~$1000 MatLab cost, $50-500 easy to use easy moderate need co
Open properties of the experiment, select tab “Devices” Add a serial port. Make sure the COM Port number is correct In your experiment flow, add inline function to where you want to trigger ETG4000 or put marker. In that function, enter t
Liz and Signe each published a review paper recently. They share their tips and experience … Signe Bray Frontiers in human neuroscience Elizabeth Walter Neuroscience
According statistics published in PubMed, the average number of coauthors per paper was 1.56 in 1950, meaning at least half of papers were single authored at that time. This number now reaches to 4.77 in 2008. The age of publishing a paper alone is g
