"Galaxy Brain" is a popular internet meme that represents the idea of increasingly complex or enlightened thinking. It often features a series of images showing a brain that evolves from a simple, small brain to a glowing, expansive brain that resembles a galaxy. This progression symbolizes how some ideas or thoughts can be perceived as more advanced or profound than others, often in a humorous or exaggerated way. The meme is frequently used in discussions about intellectualism, creativity, or even conspiracy theories. It highlights how people can take simple concepts and expand them into elaborate theories, sometimes leading to absurd conclusions. Ultimately, "Galaxy Brain" serves as a playful reminder of the spectrum of human thought.