Which company created a computer imitating the short-term memory of the human brain?

DeepMind Technologies is a British artificial intelligence company taken over by Google in 2014. the company has created a neural network that learns how to play video games in a fashion similar to that of humans, as well as a Neural Turing machine, or a neural network that may be able to access an external memory like a conventional Turing machine, resulting in a computer that mimics the short-term memory of the human brain.