Ward Pettibone is an author on six research publications, and each one lists multiple authors, a standard feature of sleep and memory research produced by laboratory teams. At UCLA, Pettibone is a neuroscientist and PhD candidate. His sleep research publications come from team projects with several contributing researchers. A multi-author byline credits each person who contributed part of the work. In much of biomedical science, author order follows field conventions about who led which stage. Six publications grew out of laboratory teams Before