Cessation of thought to avoid confronting an unpleasant idea. Can be conscious or subconscious.
Example: A married woman repeatedly forgets the name of her new boss. Her therapist suggests she may be experiencing an uncomfortable, possibly subconscious attraction to him.
Grinnell, R. (2008). Blocking. Psych Central. Retrieved on August 31, 2015, from http://psychcentral.com/encyclopedia/2008/blocking/