Vicious Psychological Cycles are two or more psychological states which feedback negatively into one another effectively worsening the situation. For example if someone is depressed they may feel that nobody likes them which will make them socially isolate themselves. Then becuase they have rejected so many social invitations their friends may stop inviting them places, this makes the depressed person feel more depressed and to isolate themselves more. These cycles are very commonly seen in many various psychological and mental illness.