Of course, Deep Dream was just the beginning…

Meet the Nightmare Machine: An AI That Creates Your Worst Fears (via futurism.com).

Dr. Cebrian and his colleagues fed 200,000 images of human faces into the machine – then, they fed a zombie face into the neural network. When a machine learns what images scare humans, it can be taught to do the opposite, and generate behavior that makes us feel comforted.