Let us take another observation: We have seen that a tactual perception of the body includes secondary imaginal visual and other sensory images besides the tactile sensation. Now, of course, if sensation is dissociated so that one has complete anesthesia, no tactile sensation can be perceived. Under such conditions an anesthetic person theoretically might not be able to imagine the dissociated tactile sensations and the associated visual images included in tactile perception. If so such a person would not be able to visualize his body. In other words, in accordance with the well-known principle that the dissociation of a specific memory robs the personal consciousness of other elements of experiences synthesized with the specific memory, the dissociation of the tactile images carries with it the visual images associated in perception. This theoretical proposition is confirmed by actual observation. Thus B. C. A. in one hypnotic state has general anesthesia, so complete that she has no consciousness of her body whatsoever. She does not know whether she is standing or sitting, nor the attitude of her limbs, or her location in space; she is simply thought in space. Now it is found that she can visualize the experimenter, the room, and the objects in the room although she cannot visualize any part of her own body. The dissociation of the tactual field of consciousness is so complete that she cannot evoke imaginal tactual images of the body, and this dissociation of these images carries with it that of the associated imaginal visual images. Visual images of the environment, however, not being synthesized with the tactual body images, can be still evoked. So we see from observations based on introspection and experimentation that perception includes, besides primary simple sensations of an object, secondary imaginal images of various kinds and in various numbers.