From Longman Dictionary of Contemporary Englishregressionre‧gres‧sion /rɪˈɡreʃən/ noun [countable, uncountable] 1 the act of returning to an earlier condition that is worse or less developed OPP progression2 technical the act of thinking or behaving as you did at an earlier time of your life, such as when you were a child
Examples from the Corpus
regression• In many cases you will not be sure - particularly if this is your first experience of regression therapy.• It is quite likely that you not only have no experience of regression therapy but have never even been hypnotized before.• When this was faced and dealt with under regression therapy, the whole situation, including the shoulder spasm, was resolved. 