The ego is made up of essentiality(yiyuanti)and personality reference mode(frame of reference),is an especial primordial qi formed by the qi of brain neurocyte.

• 自我也是由功能系统本性(意元体)和自我参照模式(参照系)所构成,是发育到一定阶段的由脑神经细胞的气相融合而成的一种特殊的元气。