Arousal Without Response 🧠📉 A Breakdown in Neurovascular Signalling Arousal without response isn’t a failure of desire. It’s a failure of signalling. Arousal begins in the brain, but it must pass through a finely balanced neurovascular system to produce a physical response. When that system is disrupted, the mind and body stop speaking the same language. In states of chronic nervous system overstimulation, particularly those seen in stimulant use and addiction, the sympathetic “fight or flight