The Interpretation of Dreams by Sigmund Freud Chapter 8 Page 18

wishes. These may take possession of the excitations in the circle of thought thus left to itself, establish a connection between it and the unconscious wish, and transfer to it the energy inherent in the unconscious wish. Henceforth the neglected or suppressed train of thought is in a position to maintain itself, although this reinforcement does not help it to gain access to consciousness.

We may say that the hitherto foreconscious train of thought has been drawn into the unconscious.

Other constellations for the dream formation would result if the foreconscious train of thought had from the beginning been connected with the unconscious wish, and for that reason met with rejection by the dominating end-occupation; or if an unconscious wish were made active for other — possibly somatic —