brain

Balloon model of hemodynamics

Picture: The vascular bed is treated as an expandable venous compartment (a balloon). If there is a burst of flow, the volume will increase and then return to baseline. That’s where ‘balloon’ comes from. During steady state (i.e. wi
Xu Cui
1 min read

Ready Go paper finally published in PLoS Biology

The paper: http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1000167 The primer by Prof Jennifer Coull: http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1000166 Discuss at Peaya: http://www.peaya.com/paper/s
Xu Cui
9 sec 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

Why is temporal lobe called “temporal”

The name of “temporal lobe” follows “temporal bone”. But why “temporal”? The reason is that when people get old, the first region in the head which grows white hair is this region (see picture below). Thus this reg
Xu Cui
12 sec 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

10-20 system for brain area location

10-20 system is a method to localize brain areas. It uses 4 landmarks of head: 1  the nasion which is the point between the forehead and the nose; 2  the inion which is the lowest point of the skull from the back of the head and is normally indicated
Xu Cui
29 sec read