模拟生存：利用沉浸式虚拟现实挑战来针对自杀风险的认知行动机制

Ideation-to-action theories explain how suicidal desire develops and how some people come to act on it, but they give little guidance on interventions for the physiological state that accompanies suicidal crises. This article proposes Simulated Survival, a theoretical framework for using controlled, demanding experiences in immersive virtual reality (VR) as an adjunct to suicide-specific care. Drawing on the Three-Step Theory, the Integrated Motivational-Volitional model, and the Interpersonal Theory of Suicide, together with research on autonomic regulation, interoception, attention under pre