/usr/share/psychtoolbox-3/PsychOpenGL/ is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (1177 total).
We're only showing the immediate contents of /usr/share/psychtoolbox-3/PsychOpenGL
.