A term for the exploring, for example with the assistance of a therapist, of (possibly unpleasant) past memories (some believe even past life, see Past Life Regression ) as part of the treatment for mental illnesses or self improvement. See Psychotherapy , Hypnotherapy .
--- The phenomenon, that, when two related variables are measured, the expected value of the second is closer to the mean than the measured value of the first. See Regression Toward The Mean .
The fictional reverse of the normal flow of Time . In many Animated Television Series this is usually shown as the characters' being turned back into children.
In Reading , regression is going back to re-read something recently read. Speed Reading courses often discourage this.
In Psychology , regression is believed to be a Defense Mechanism of the ego, where a person reacts to failure with an immature response.