1. The Effect of the A118G Single Nucleotide Polymorphism of the Mu-Opioid Receptor Gene (OPRM1) on Loneliness, Social Support, Rumination and Mood Open Access Author: Pisciotta, Colleen Margaret Title: The Effect of the A118G Single Nucleotide Polymorphism of the Mu-Opioid Receptor Gene (OPRM1) on Loneliness, Social Support, Rumination and Mood Area of Honors: Biobehavioral Health Keywords: Mu-opioid receptor gene (OPRM1)lonelinesssocial supportruminationmood File: Download Pisciotta_Colleen_TheA118GSNPandLoneliness.pdf Thesis Supervisors: William Gerin, Thesis SupervisorDavid John Vandenbergh, Thesis Honors Advisor