RecruitingBehavioural interventionBrief Pain Exposure Therapy (BPET) For Nociplastic PainThis study is intended to test whether a brief Zoom-based behavioral treatment can help adults with fibromyalgia (FM), Lupus, chronic pelvic pain, and chronic low back pain learn effective strategies for reducing pain, disability and other problems that can come with fibromyalgia, Lupus, chronic pelvic pain, and chronic low back pain (such as depression or anxiety).