A recent study conducted at Kyoto University in Japan implanted chips into the brains of macaque monkeys, revealing significant changes in their risk-taking behavior. By stimulating different brain regions with flashes of light, researchers observed how activating one area prompted the monkeys to take bigger risks for potentially greater rewards, while activating another led them to opt for smaller but more certain rewards. This investigation sheds light on the neurological basis of gambling tendencies, which may suggest that a specific region of the frontal lobe, known as Brodmann area 6, plays a pivotal role in decision-making related to risk and reward. Prior to these findings, the monkeys consistently chose high-risk, high-reward options akin to human gambling behavior when presented with various reward scenarios on a screen.