Sexual motivation (desire) requires the simultaneous presence of an active central motive state and a stimulus with sexual significance. Once activated, sexual motivation leads to visceral response...

中文翻译：

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性激励动机模型及其临床应用

性动机（欲望）需要同时存在活跃的中心动机状态和具有性意义的刺激。一旦被激活，性动机就会引起本能反应......