depersonalization
/diːˌpɜːsənəlaɪˈzeɪʃən/(亦作-isation)
noun
mass noun
1- the action of divesting someone or something of human characteristics or individuality对人性（或个性）的剥夺。
1.1
- Psychiatry a state in which one's thoughts and feelings seem unreal or not to belong to oneself, or in which one loses all sense of identity【精神病学】人格解体。