Behind the Mask: A Freediver’s Guide to Nervous System Regulation, Recovery, and Resilience What if freediving wasn’t just about depth—but about learning the language of your own nervous system? In this groundbreaking guide, clinical social worker, research psychologist, and freedive instructor Elaine Hicks, LCSW, bridges the gap between science and the sea. Drawing on years of research and professional experience, she introduces the Hicks DIVE Method—a nervous system and trauma-informed framework that combines freediving, trauma physiology, somatic awareness, and nervous system literacy. More than a freediving manual, Behind the Mask reveals how the water becomes a mirror for resilience and recovery. You’ll discover how the breath, cranial nerves, nervous system, and the mammalian dive response aren’t just survival mechanisms—they’re pathways to self-regulation, emotional balance, and trust. Whether you’re an instructor, freediver, therapist, or seeker of deeper self-awareness, this book will help you: Understand how the nervous system shapes every dive—and every breath. - Recognize the hidden signs of stress, dissociation, or hypervigilance above and underwater. - Build somatic tools for regulation and co-regulation—on the float, in the pool, or at depth. - Reframe freediving not as performance, but as embodied resilience training. - Translate cutting-edge science (polyvagal theory, heart rate variability, interoception) into practical, repeatable skills. Through research, reflection, and voices from divers worldwide, Hicks illuminates freediving as more than sport—it’s a non-verbal conversation between body and water, stress and safety, self and connection. If you’ve ever wondered why freediving feels both calming and confronting—or how breath-holding can unlock new layers of resilience—this book offers the map. The dive response is just one whisper from your nervous system. What happens next depends on how well you’ve learned to listen.