The 'Stimulus Screen / Juice Reward Mechanism Monkey' meme features a rhesus macaque monkey participating in a neuroscientific experiment, staring intently at a monitor while receiving a liquid reward through a tube. The image surfaced from scientific documentation but quickly evolved into a powerful metaphor for digital consumption and behavioral conditioning. It is primarily used to satirize the way humans interact with technology, depicting the user as the monkey who is 'trained' to perform tasks or consume content in exchange for small 'juice rewards' like social media notifications, video game loot, or stock market gains. The meme resonates because it captures the primal, focused state of being locked into a screen-based dopamine loop.