Xu Cui

 

   



564 Stories by Xu Cui

NIRS can’t measure deep brain, … maybe it can!

Is NIRS able to measure signal from deep brain structure, such as amygdala? The short answer is no. NIRS is only able to measure the surface of the brain. This is a serious limitation of NIRS compared to fMRI which is able to measure the entire brain
0 1 min read

How to download emails in Gmail?

Log in to your gmail On the top-right corner, you will find your own icon, click it. A pop up window will show Click “Account” You will see a page with a lot of options. Scroll down and find Account tools, then click “Download data&
0 14 sec read

Using a smartphone to measure head motion in a NIRS experiment

Is it possible to use a smartphone to measure head motion in a NIRS study? Is it reliable? After all, smartphones are so popular right now and everybody has it. It would make head motion measurement much more convenient than a traditional stand-alone
0 1 min read

How to split a PDF file for free?

I have a PDF file which contains many pages. For some reason I need to send only page 3 and 5 to a friend. How can I create a PDF which contains only page 3 and 5? It turns out using Google Chrome is very easy (and free)! I simply open the big PDF in
0 16 sec read

How long is fMRI or NIRS signal delayed?

We know the hemodynamic signal measured by fMRI (or NIRS) is delayed respective to the onset of stimuli. But how long is the delay? Many people think it takes about 2s for the signal to arise. Actually the delay varies from region to region. As shown
0 20 sec read

Driver Detective

I had been using a Lenovo Edge laptop, and one day it died. The operation system (windows 7) was corrupted. After installing a new Windows 7, I found the computer is impossible to use – it does not find the wireless adapter and the screen resol
0 37 sec read

Apply a Formula to an Entire Column in Excel

Two Ways to Apply a Formula to an Entire Column in Excel This small trick can be handy if you have a lot of rows. The most commonly used method – dragging down – will be too time consuming in this case.
0 9 sec read

Sample NIRS finger tapping data

Description: The subject is myself. I did a simple finger tapping task. I continuously tapped my right hand on the table for 10s, then rest for 20s. Then repeat this tapping-rest cycle for 20 times. NIRS signals were recorded by Hitachi ETG-4000. The
13 43 sec read

Format a date the way you want in Excel

In one column of your excel your date is formatted as “03/06/2001”. How do you format it to “2001 Mar 6”? See: Reference: http://office.microsoft.com/en-us/excel-help/format-a-date-the-way-you-want-HA102809474.aspx
0 6 sec read