Scientists differ greatly on the views of just what fear is. Michael Fanselow Chaired a session at the 32nd Winter Conference on Neural plasticity titled, “Defining and Investigating Fear and Why It Matters” where these contrasting viewpoints were presented. While they disagreed, as the the post-session photo shows, all participants remained good friends. Pictured from left to right, Michael Fanselow, Daniela Schiller, Joe LeDoux, Kay Tye and Dean Mobbs.