Installation guide ========================================= To install Psychtoolbox, please follow the instructions found on the `psychtoolbox website. `_. During the installation, you will be asked for the directory in which you will install Psychtoolbox. Ensure that you remember that directory. Once the installation is complete, please `install VPixx Software tools `_ if you have not done so already, and follow these instructions depending on your OS: **Windows**: - Navigate to the VPixx Software Tools (``C:\Program Files\VPixx Technologies\Software Tools\DatapixxToolbox_trunk\mexdev\build\matlab``), and then navigate to the folder representing your Matlab installation. - Copy the mex file from that folder to your ``psychtoolbox_folder\PsychBasic\MatlabWindowsFilesR2007a`` folder. **Mac OS X/Linux**: - Navigate to the VPixx Software Tools, then navigate to the folder represnting your matlab installation (``VPixx Software Tools\DatapixxToolbox_trunk\mexdev\build\matlab``) - Copy the mex file from that folder to your ``psychtoolbox_folder\PsychBasic`` folder.