Imagine you at your friend's party, and you are listening to her story about her last trip. Even though music is playing and other people are talking, you can probably understand what she is saying. But if you have some hearing problems, you might find it hard to follow the conversation. Why is that? Our brains only pay attention to parts of the sound that we are trying to understand. In this case in your friend's voice there are some parts that help your brain listen to her instead of the music. I study how the parts of the brain that have the job of making you hear do exactly this. I want to help people with hearing problems to understand their friends voices even when there is loud music.