The data from all the belligerent countries, collected in this book, go far to prove that, whatever at last you elect to term Shell-shock, you must pause to consider whether your putative case is not actually:
A matter of spirochetes?
The response of a subnormal soldier?
An equivalent of epilepsy?
An alcoholic situation?
A result of neurones actually hors de combat?
A state of bodily weakness (perhaps of faiblesse irritable)?
A bit of dementia praecox?
One of the ups and downs of the emotional (affective, cyclothymic) psychoses?
An odd psychopathic reaction in which the response is abnormal not so much by reason of excessive stimulus as by reason of defective power of response?