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GLOSSARY

Ætiology—causation, particularly of disease.

Affect—pertaining to the feeling bases of emotion.

Ambivalence—the co-
existence of opposed feelings, par-
ticularly love and hate.

Amnesia—failure of memory.

Cathexis—the process whereby ideas and mental attitudes
are invested with a “charge” of emotion.

Imago—a German periodical devoted to the non-
medical application of psycho-
analysis.

Instinctual—pertaining to instinct.

Masochism—the obtaining of sexual pleasure in conjunction
with suffering.

Obsessional Neurosis—a neurosis characterized by the
alternation of obsessive (compulsive) ideas and doubts.

Onanism—auto-
erotic activity, the commonest example
being masturbation.

Phylo-
genetic—pertaining to racial development.

Reaction-
formation—development of a character trait that
keeps in check and conceals another one, usually of
the exactly opposite kind.

Regression—reversion to an earlier kind of mental life.

Repetition-
compulsion—the tendency to repeat, which
Freud considers the most fundamental characteristic of
the mind.

Repression—the keeping of unacceptable ideas from
consciousness, i.e. in the “unconscious.”

Sadism—the obtaining of sexual pleasure through the
infliction of suffering.

Super-
ego—the self-
criticizing part of the mind out of
which the conscience develops.

Trauma—injury, bodily or mental.