psychtoolbox-3-lib software package provides toolbox for vision research -- arch-specific parts, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install psychtoolbox-3-lib
psychtoolbox-3-lib is installed in your system.
Make ensure the psychtoolbox-3-lib package were installed using the commands given below,
$ sudo dpkg-query -l | grep psychtoolbox-3-lib *
You will get with psychtoolbox-3-lib package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Science |
| Package | psychtoolbox-3-lib |
| Version | 3.0.11.20131230.dfsg1-1build1 |
| Description | toolbox for vision research -- arch-specific parts |
| Sub Section | Science |