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
The mostly used functions I use in SPM is spm_get (for spm2) and spm_select (spm5 and 8). These two functions are used to get files (usually image files). Frankly speaking I like spm_get much better as it’s intuitive and easy to use. Here is h
My gmail inbox has 12,000 emails. I receive ~30 emails (after removing junk mails) each day. Though I have set to display 100 emails per page but some important but unreplied emails soon disappear from the first page. I often “star” impor
Text source: http://imaging.mrc-cbu.cam.ac.uk/imaging/MniTalairach Talairach brain (single) the brain dissected and photographed for the famous Talairach and Tournoux atlas. The atlas has Brodmann’s areas labelled, albeit in a rather approximat
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
