“Scientists determined that certain improvisational activities can unlock a magical state in your brain called FLOW. During a flow state, the part of your brain that acts like your internal filter, the prefrontal cortex, shuts down while parts of your brain related to motivation, language, and emotion light up which allow your unfiltered mind to free associate and come up with wild and fun, creative ideas” - BrainChild
When you freestyle rap, you reach a FLOW STATE