dream thought its changed expression by means of disfigurement. We have said that from the nature of the association mechanism the dream process more easily takes possession of recent or indifferent material which has not yet been seized by the waking mental activity; and by reason of the censor it transfers the psychic intensity from the important but also disagreeable to the indifferent material.

The hypermnesia of the dream and the resort to infantile material have become main supports in our theory. In our theory of the dream we have attributed to the wish originating from the infantile the part of an indispensable motor for the formation of the dream. We naturally could not think of doubting the experimentally demonstrated significance of the objective sensory stimuli during sleep; but we have brought this material