The video showcases the use of the Mind Monitor system and its heat map setting to visualize changes in brain activity during meditation. The heat map displays frequency ranges from delta to gamma, with different colors representing levels of amplitude. By adjusting settings, users can see significant color changes with small EEG amplitude changes. The presenter notes differences in their own heat maps compared to Kevin, a person with extensive meditation experience, who reaches higher levels of energy and synchronization of neurons firing in higher frequency ranges. The comparison inspires the presenter to explore further technologies for meditation.