be forgotten.
This impression is most strongly gained in the study of the neuroses,
especially of hysteria. The unconscious stream of thought which leads to
the discharge through an attack becomes passable again as soon as there
is an accumulation of a sufficient amount of excitement. The
mortification brought on thirty years ago, after having gained access to
the unconscious affective source, operates during all these thirty years
like a recent one. Whenever its memory is touched, it is revived and
shows itself to be supplied with the excitement which is discharged in
a motor attack. It is just here that the office of psychotherapy begins,
its task being to bring about adjustment and forgetfulness for the
unconscious processes. Indeed, the fading of memories and the flagging
of affects, which we are apt to take as self-evident and to explain as a
primary influence of time on the psychic memories, are in reality
secondary changes brought about by painstaking work. It is the
foreconscious that accomplishes this work; and the only course to be
pursued by psychotherapy is the subjugate the Unc, to the domination of
the Forec.

There are, therefore, two exits for the individual unconscious emotional
process. It is either left to itself, in which case it ultimately breaks
through somewhere and secures for once a discharge for its excitation
into motility; or it succumbs to the influence of the foreconscious, and
its excitation becomes confined through this influence instead of being
discharged. It is the latter process that occurs in the dream. Owing to
the fact that it is directed by the conscious excitement, the energy
from the Forec., which confronts the dream when grown to perception,
restricts the unconscious excitement of the dream and renders it
harmless as a disturbing factor. When the dreamer wakes up for a moment,
he has actually chased away the fly that has threatened to disturb his
sleep. We can now understand that it is really more expedient and
economical to give full sway to the unconscious wish, and clear its way
to regression so that it may form a dream, and then restrict and adjust
this dream by means of a small expenditure of foreconscious labor, than
to curb the unconscious throughout the entire period of sleep. We
should, indeed, expect that the dream, even if it was not originally an
expedient process, would have acquired some function in the play of
forces of the psychic life. We now see what this func