I want to ask what psychology it is to touch the back of the head.

According to psychology, liars generally like to touch the back of the head.

Psychology is a science that studies human psychological phenomena and their psychological functions and behavioral activities under their influence, taking into account outstanding theories and applications.

Psychology includes basic psychology and applied psychology, and its research involves many fields such as perception, cognition, emotion, thinking, personality, behavior habits, interpersonal relationship, social relationship, etc., as well as many fields of daily life-family, education, health, society, etc. On the one hand, psychology tries to explain the basic behavior and psychological function of individuals with brain operation, and at the same time, psychology also tries to explain the role of individual psychological function in social behavior and social motivation; In addition, it is also related to neuroscience, medicine, philosophy, biology, religion and other disciplines, because the physiological or psychological effects discussed by these disciplines will affect the individual's mind. In fact, many humanities and natural disciplines are related to psychology, and human psychological activities are inseparable from human living environment.

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