According to research by Oxford University professor Robin Dunbar, the part of our brain "used for connscious thought and language . . . limits us to managing __________ friends, not matter how sociable we are."
A) 50
B) 100
C) 150
D) 250
E) 500

Question

Quizplus · Accepted Answer

Dunbar's research suggests that the maximum number of meaningful relationships that a person can maintain is around 150, which is often called Dunbar's number. This is because the cognitive capacity required to maintain relationships and remember personal details about others is limited by the size of our neocortex, the part of the brain responsible for conscious thought and language. While some people might be able to maintain more than 150 relationships, the quality and depth of those connections may be more superficial.

According to Research by Oxford University Professor Robin Dunbar, the Part