PSYCHOLOGICAL

 - The psychological bullying is one in which the abuser uses threats to get or achieve things through manipulation of the victim, exercising, and using control over it. (Self-Definition)

 

- Is the most difficult to detect because they are forms of aggression, threat or exclusion carried out unbeknownst to anyone who can warn the situation, so the offender can remain anonymous. May consist of a look, an obscene gesture, an ugly face, a gesture, and so on.
Is often used to emphasize, enhance or highlight actions taken prior and maintain latent threat. Increase the power of aggression since the aggressor exhibits a higher power to show that it is capable of threatening even if "present" an authority figure. In the assault increases the feeling of helplessness and vulnerability, it perceives this as a threat boldness that eventually will be implemented more forcefully.