After reading and signing the informed consent, all participants will receive a medical evaluation to confirm the diagnosis of FMS based on the criteria established by the American College of Rheumatology. All participants will be evaluated by board certified rheumatologists affiliated with UMDNJ-Robert Wood Johnson Medical School and remain blind to participants' group assignment. This examination will include a baseline tender point count or TPI that will be used as an exploratory measure. Next, participants will be asked to return for an appointment at the Biofeedback Laboratory at UMDNJ-RWJMS. Participants will be instructed to refrain from taking any caffeine or alcohol for twelve hours prior to this and all other sessions where physiologic measures are to be collected. Before beginning physiologic measures assessment, participants will complete the baseline outcome measures, the Fibromyalgia Impact Questionnaire (FIQ), the McGill Pain Questionnaire (MPQ), the Pittsburgh Sleep Quality Inventory (PSQI), and the Beck Depression Inventory II (BDI-II) in a quiet, private room.