“…The instinctual and primal in all animals is directed by the hypothalamus and this needs to be the dominant brain activity in labour (Beischer, Mackay, & Colditz, 1997;Hung, 1987;Odent, 1984Odent, , 1986Odent, , 1992Odent, , 1999. Unfortunately it can be suppressed, in varying degrees, if the rational neocortex dominates.…”