Conversion (n.) is the hysteric's alchemy: mental excitement turned into a chronic bodily symptom.
Conversion (n.) is the hysteric's defence: the excitement of an unbearable idea is shipped into the body, and the idea vanishes from the mind.
Conversion (n.) may happen not when an experience is fresh but later, when the memory of it comes back.
Conversion (n.) takes the easiest path when a bodily sensation happens to occur at the same moment as the painful feeling; then little disposition is needed.
Conversion (n.) is the translation of a purely psychical excitation into bodily terms, so hard to achieve that new excitations prefer to flow into old symptoms, like new wine into old bottles.
Conversion (n.) can be the Oedipus complex moved into religion: rebellion against the father, then total surrender.
Conversion (n.) works like a stream split into two channels: block one, and the other overflows; feeling barred from words floods into the body.