Stephen Porges is an American neuroscientist best known for developing the Polyvagal Theory. This theory explains how the autonomic nervous system influences emotional regulation, social connection, and fear responses. Porges' work emphasizes the role of the vagus nerve in these processes, highlighting how our physiological state affects our behavior and interactions. Porges has contributed significantly to the fields of psychology and psychiatry, focusing on trauma and its effects on the body. His research has implications for understanding conditions such as PTSD and anxiety disorders, offering insights into therapeutic approaches that promote healing and resilience.