1. UNLOCKING THE HETEROGENEITY OF EXTERNALIZING PROBLEMS ACROSS EARLY CHILDHOOD:UNITING NEUROBIOLOGICAL, PARENTING, AND DEVELOPMENTAL PERSPECTIVES Open Access Author: Fortunato, Christine Karen Title: UNLOCKING THE HETEROGENEITY OF EXTERNALIZING PROBLEMS ACROSS EARLY CHILDHOOD:UNITING NEUROBIOLOGICAL, PARENTING, AND DEVELOPMENTAL PERSPECTIVES Graduate Program: Human Development and Family Studies Keywords: parentingearly childhooddevelopmentHPAcortisolexternalizing problemscomorbidityanxiety File: Download Fortunato_CK_Final_Dissertation_11.15.11.pdf Committee Members: Lisa M. Gatzke-Kopp, Committee Chair/Co-ChairDouglas A. Granger, Committee Chair/Co-ChairMark T. Greenberg, Committee MemberNilam Ram, Committee MemberKaren Bierman, Committee Member