I think it is human emotion and communication, or psychological problems.
我想应该是人的情感与交流，或者心理上的问题。
Psychologists have long studied the grunts and winks of nonverbal communication, the vocal tones and facial expressions that carry emotion.
一直以来，心理学家在不断研究非语言类的交流方式，比如小声嘀咕或者使个眼色之类的，这些口头语音和面部表情也能体现人的情感。
On the basis, she has described the psychological disorder such as network relying on, human communication, emotion communication and analyzed their inducement and consequence.
在此基础上，探讨了网络诱发的网络依赖、人际交往、情感交流和人格形成方面的心理障碍，并对其诱因及后果进行了分析。
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