Prefrontal cortex: most rostral part of frontal lobe. Strategy, Ability to set goals, social norms, social feedback.

Let's trim our hair in accordance with the socialist lifestyle [1] was part of a North Korean government propaganda campaign promulgating grooming and dress standards. It was broadcast on the state-run Korean Central Television in the capital of Pyongyang. The television program claimed that hair length can affect human intelligence, in part because of the deprivation to the rest of the body of nutrients required for hair to grow.[2] It was one part of longstanding North Korean government restrictions on haircuts and fashions deemed at odds with "Socialist Values".

Let's trim our hair in accordance with the socialist lifestyle | Wikipedia