Reward Signals, Attempted Suicide, and Impulsivity in Late-Life Depression Dombrovski AY, Szanto K, Clark L, Reynolds CF, and Siegle GJ Suicidal behavior is heterogeneous and we know little about the many pathways that lead to it. In a recent article appearing in JAMA Psychiatry, Alex Dombrovski and his colleagues investigated changes in brain signals that may contribute to bad decisions in older suicidal patients...