The "Penfield Mood Organ" is a device from the seminal science fiction novel
"Do Androids Dream of Electric Sheep?" by futurist and sci-fi writer
Philip K. Dick. With this device, direct your feelings and outlook at your will! You simply decide which mood you'd like to experience, turn the appropriately labelled dials, and depress any key on the organ's keyboard! It couldn't be any simpler!
If you're wondering, yes, this is indeed the book which was adapted into the cult film
Blade Runner!