
Inside Arousal: How the Brain, Hormones, and Sensation Spark Sex
Arousal is a complex, multi-system process driven by brain cues, the autonomic nervous system, and neurochemicals such as dopamine, nitric oxide and oxytocin. It can begin with physical sensations or mental cues (reflex vs desire-driven) and varies by person and between sexes, with features like female “tenting.” Stress and health changes can dampen desire, while long-term relationships often rely on cue-driven arousal and deliberate mood-setting. The piece also notes age-related and health factors that can affect arousal, underscoring the importance of communication and health checks to maintain sexual well-being.