nirs

Sensitivity, specificity, ROC, AUC …

You can’t believe how much jargon there is in binary classification. Just remember the following diagram (from wiki). accuracy = ( TP + TN ) / (P+N), i.e. correctly classified divided by the total false discovery rate (FDR) = TP / (TP+FP), i.e.
Xu Cui
1 min read

Advantage and Disadvantage of NIRS over fMRI

Advantages cheaper portable (smaller) safe natural settings (e.g. real human interactions instead of computer presentation) high temporal resolution (10Hz) less sensitive to head motion clinically friendly less environment noise long time recording c
Xu Cui
18 sec read

NIRS data analysis (time series)

Also check out NIRS data analysis (GLM and visualization) Environment requirement MatLab SPM xTopo under xjView xjview is located in /fs/fmrihome/fMRItools/Xjview Add xjview to path by addpath(genpath('/fs/fmrihome/fMRItool
Xu Cui
1 min read

NIRS data analysis (GLM and visualization)

Also check out NIRS data analysis (time series) Environment requirement MatLab SPM 5 or 8 xjView 8 xjview can be downloaded for free from https://www.alivelearn.net/xjview/ (If you are inside CIBSR, xjview  is located in /f
Xu Cui
3 min read

batch script for NIRS-SPM

I wrote some batch scripts for NIRS-SPM. They, together with NIRS-SPM and xTopo, are called “super” package (I apparently run out of names). The “super” package are located in directory: /fs/quarry/cuixu/NIRS/super Please don&
Xu Cui
1 min read

Analyze NIRS data with NIRS-SPM

being updated for v01_r14 … NIRS-SPM is a SPM5 and MATLAB-based software package for statistical analysis of near-infrared spectroscopy (NIRS) signals, developed at the Bio Imaging Signal Processing (BISP) lab. at KAIST in Korea. prepare files
Xu Cui
4 min read

Stanford NIRS lab

Check out Near infrared spectroscopy (NIRS) Lab I take charge of: http://spnl.stanford.edu/tools/nirsCIBSR/nirsHome.htm NIRS allows you to measure neural activities on the surface of the brain. Some labs use NIRS to do brain-computer interface, i.e.
Xu Cui
11 sec read