Automatism
From Academic Kids
Automatism is the practice or theory of the spontaneous production of words (speech or writing), drawing, painting or other creative production, or behavior in general, without conscious self-control or self-censorship.
Mediumistic automatism, in which the speech, writing or behaviour produced is purported to be communicated from ghosts, spirits or the like, channeling through a psychic or medium
Surrealist automatism is an artistic technique of spontaneous writing, drawing, or the like practiced without conscious aesthetic or moral self-censorship.
In law, automatism is the state of acting involuntarily, as in sleepwalking. (Sleepwalking — Insanity or Automatism (http://www.murdoch.edu.au/elaw/issues/v3n1/ridgway.html))
