 A study documented the learning and memory capabilities of a border collie, "Chaser", who had learned the names and could associate by verbal command over 1,000 words.Dogs are able to read and react appropriately to human body language such as gesturing and pointing, and to understand human voice commands.After undergoing training to solve a simple manipulation task, dogs that are faced with an insolvable version of the same problem look at the human, while socialized wolves do not.