I am searching for a toolbox that can analyze changes in different physiological states using simultaneously recorded signals with trigger markers including EEG, Heart rate variations, galvanic skin response, and respiration rate.
Dear Kanishka,
If you need a tool that capable of real-time analysis/synchronize recording of multimodal signals, you can try our software called EventIDE (www.okazolab.com). It supports the most popular physiological sensor hardware and, apart of integrated analysis, can be integrated with Matlab.
If you want to arrange a demo, you can write me here.
You can visit the following website, where you can find physionet toolboxes. May it will be helpful for you.
www.physionet.org
The FieldTrip toolbox has functions for heart rate and respiration, but I'm not sure about the others. I would look into it.
Matlab does not have any built-in toolbox for physiological signals. But there are many open source tool boxes available. For example, Augsburg Biosignal Toolbox (AuBT) is a toolbox for analyzing physiological signals written in Matlab. It comes along with a graphical user interface which allows the user to extract features from common physiological signals, select relevant ones and use them to train and evaluate a classifier.
https://www.informatik.uni-augsburg.de/lehrstuehle/hcm/projects/tools/aubt/
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