Everything You Need to Know About – Reinforcement Learning Vinod Sharma's Blog

It learn from interaction with environment to achieve a goal or simply learns from reward and punishments. This learning is inspired by behaviourist phycology. From the best research I got the answer as it got termed in 1980's while some research study was conducted on animals behaviour. Especially how some new born baby animals learns to stand, run, and survive in the given environment. Rewards is a survival from learning and punishment can be compared with being eaten by others.