The Brain Gauge has a unique training platform and perhaps the best way to introduce it is to simply start using it. If you have been using a Brain Gauge, you are familiar with the screenshot shown below
Note that under "Testing options" the user can select "Start testing" or "Start training". The "Start Training" option is circled - this is the one you select.
Once you have selected the training option, another screen will appear, as depicted with the screenshot below.