The settings for the mouse shown in your screenshot can be accessed from the
dconf-editor. If it is not installed you can install it by running:
sudo apt-get install dconf-editor.
dconf and navigate to:
org -> gnome -> settings-daemon -> peripheral -> mouse. Here are some screenshots that show how each option relates to the settings.
You can also find the settings in
gnome -> peripherals -> mouse. Here is a screenshot for
gconf as well.