Xu Cui

 

   



564 Stories by Xu Cui

NIRS manufactures locations

Where are the major NIRS device manufactures? You can see from the map below. There are NIRS manufactures in US, Japan, Europe and Korea. If you are a NIRS manufacture and would like to add to this list, please let me know (leave a comment in this po
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Stork is my best research assistant (2): Grant alert

Does my boss have money? I am looking for a postdoc position; does my future boss have enough funding to support me? How much money was awarded to my field (e.g. NIRS)? And who got the money? What are they going to do with the money? Have you ever wo
3 1 min read

Projection of a NIRS channel on a brain surface

When analyzing the data in our concurrent NIRS-fMRI study, we are particularly interested in how the NIRS signals were correlated to the fMRI signal. To answer the question we need to create an ROI (region of interest) in brain which is directly unde
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Is measuring both oxy and deoxy-Hb useful?

One of the advantages of NIRS is that it measure two values at a time – both oxy- and deoxy-Hb concentration, while fMRI measure only one value, called BOLD. (See a comparison between NIRS and fMRI.) However, what is the use of measuring two va
0 1 min read

T value of a single subject

I usually report a group-level T-test image in the final publications or presentations. But in the early stage of a project when only one or a few subjects have been scanned, I often need to report an activation map for an individual subject after ge
6 1 min read

FDR correction matlab script

The following script is to determine is a channel (or voxel) survives the FDR corrected threshold. Assume you have 48 channels and you already calculated the (uncorrected) p-value of each channel. You put it into an array called p. Now you want to kn
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Finger tapping task MatLab script

Finger tapping is probably the most used task in brain imaging studies (fMRI and NIRS). The task is simple and elicits robust brain signal in the motor cortex. We always use it to test new devices or develop a new method. If you want to control your
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Hyperscanning data

Below is sample hyperscanning data from one subject (myself). For detailed information please refer to http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3254802 Name Email
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今天看到好视频:老树画画 《做一个梦》

看这个视频真是痛快!去他妈的“成功”!为别人活有什么用? youtube版: youku版:
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