Hitchcock is said to be very pleased with [Psycho], and well he might be. In it he has abandoned the commercial geniality of his recent work and turned to out-and-out horror and psychopathology. The film begins with a drab, matter-of-fact scene in a hotel bedroom…. It imperceptibly shifts to a level of macabre pathology, unbearable suspense, and particularly gory death. In it, indeed, Hitchcock's necrophiliac voyeurism comes to some kind of horrifying climax…. So well is the picture made, moreover, that it can lead audiences to do something they hardly ever do any more—cry out to the characters, in hopes of dissuading them from going to the doom that has been cleverly established as awaiting them. (p. 47)

To allow the personae involved to become human beings would destroy everything, in the usual Hitchcock film. Psycho is better: the people are acceptable, at any rate; there is no...