nirs

Handy programs to visualize NIRS data (2): plotTopoMap

Often you need to view the spatial pattern of activation as in the example below. plotTopoMap allows you to do that. It probably only...
Xu Cui
37 sec read

Handy programs to visualize NIRS data (1): plotTraces

You often need to plot the time series of NIRS signal from all channels with event indicators (See the example below). plotTraces can do...
Xu Cui
26 sec read

How to control ETG-4000 and receive realtime feedback simultaneously?

If you want to control ETG-4000 with your program through the serial port, and at the same time your experiment requires realtime feedback from...
Xu Cui
19 sec read

Realtime feedback from NIRS recording

Hitachi provides a Matlab script (RealtimeOT.m) which can deliver real-time feedback from ETG-4000. This script is installed in the computer (Windows 2000) in the...
Xu Cui
2 min read

Using serial port to control ETG4000

To synchronize NIRS recording and your stimuli (visual, auditory, button press etc), your presentation program needs to talk to the NIRS machine. Hitachi ETG4000...
Xu Cui
2 min read

Published two papers

Both are on NIRS (Near Infrared Spectroscopy). The first one is on how to detect NIRS activity earlier using multivariate (SVM) method; the 2nd...
Xu Cui
19 sec read

Some plot functions for NIRS

1. plotTraces, plot a time series, or multiple time series on one plot, with vertical lines indicating the markers (events). Can be used for...
Xu Cui
22 sec read

tcpip connection with pnet

We use TCP/UDP/IP Toolbox 2.0.5 to read and write data from/to a TCPIP port. It’s fast and reliable. The version we use is 2.0.5....
Xu Cui
1 min read

Noise removal in NIRS

Noise removal methods in NIRS can be divided into 4 categories: reducing noise based on its temporal characteristics: The instrument noise is usually in...
Xu Cui
41 sec read

Use serial port to trigger ETG 4000 with E-Prime

Open properties of the experiment, select tab “Devices” Add a serial port. Make sure the COM Port number is correct In your experiment flow,...
Xu Cui
14 sec read