Freudian fixation amentia backwardness blithering idiocy cretinism father fixation fixation half-wittedness idiocy idiotism imbecility infantile fixation infantilism insanity libido fixation mental defectiveness mental deficiency mental handicap mental retardation mongolianism mongolism mongoloid idiocy moronism moronity mother fixation parent fixation pregenital fixation profound idiocy regression retardation retardment retreat to immaturity simple-wittedness simplemindedness simpleness simplicity subnormality