Dream is the dreamer’s own psychical act.
psychicalquotes
But the state of sleep, we found, is not characterized by the disintegration of psychical interconnections, but by the focus on the wish to sleep by the psychical system in control of the day.
focus / interconnections / psychical / sleep / wish
We shall be obliged to put forward a set of new assumptions touching speculatively on the structure of the psychical apparatus and the play of forces active in it, though we must take care not to spin them out too far beyond their first logical links, for if we do, their worth will vanish into uncertainty.
assumptions / Forces / logical / psychical / uncertainty