中文摘要：

文章从笛卡尔的身心交感论开始，探讨了松果体在身心交互中的重要地位，并分心理主义、行为主义、认知主义三个阶段，描述了心理学回答“心灵如何被感知”的两条途径：心灵内省与行为反映。最后，文章特别描述了新近发现的镜像神经元，认为它可能是当代心理学体系内的“笛卡尔式松果体”，是沟通身体活动与心理状态、自我与他人心理状态的桥梁。未来，镜像神经元在心理学研究中的地位，可能与松果体在笛卡尔体系内的地位一样重要。

英文摘要：

Starting from Decart＇ s Interactionism,the paper first discusses the important position of the pineal gland,and then classifies psychology into three stages： psychologism, behaviorism, and cognitivism. It describes introspection and behavior reflection,the two ways in which psychology answers the question ＂how to know the mind＂. Finally, the paper emphasizes the mirror neuron, believing that it is the pineal gland in modern psychology, and the bridge to link up body＇ s action and the mind, one＇ s own mind and the others＇. In the future,the position of mirror neuron in psychology is going to be as important as the pineal gland in Descartes＇ theoretical system.