Avoiding conflict by withdrawing to old interests and behaviors from an earlier developmental stage; a defense mechanism.
Example: A 14-year-old girl perceives with alarm that her friends are becoming “boy crazy”, and responds by increasing her skating practice to 4 hours daily.
Grinnell, R. (2008). Regression. Psych Central. Retrieved on February 11, 2016, from http://psychcentral.com/encyclopedia/regression/