My Head Is an Animal as the second single from "My Head Is an Animal" in the UK and Ireland. It was released on 12 April 2012, in the lead up to the album's re-release in Europe. A promotional single followed in June. "Six Weeks" was released as a promotional single from the album in the UK and Ireland. It was released as a digital download on 27 August 2012. "Mountain Sound" was released in the US as the second single from the album, and the fourth overall. Seeing a release worldwide as the follow-up to "Little Talks" as well, it was released on 2
Animal cognition for spatial location and to discover how an animal is able to determine locations. Typically the maze is a circular tank filled with water that has been made milky so that it is opaque. Located somewhere in the maze is a small platform placed just below the surface of the water. When placed in the tank, the animal swims around until it finds and climbs up on the platform. With practice, the animal finds the platform more and more quickly. Reference memory is assessed by removing the platform and observing the relative amount of time the animal spends swimming in