s an important aspect of Freud's behavior theory. He routinely and repeatedly makes reference to the preconscious (Pcs), unconscious (Ucs), and conscious (Cs) mental processes. Ucs processes--highly complex and critical to the notion of psychoanalysis of neurotic personalities--are identified in general terms as the locus of "the impetus to dream formation" (Freud, 1978, p. 397). Cs processes of the mind and body, if complex or disturbed, are fairly easy to recognize. Nevertheless, in Freud's formulation, consciousness, or behavior in the conscious state, can be decoded so as to reach diagnostic and therapeutic meaning. The Pcs is the most provocative state of consciousness because it is the mediating path through which "dream-excitation"
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