Case 294. (Zanger, July, 1915.)

Several years before the war, a cavalry officer had a severe concussion of the brain after a fall from his horse, but got no manifest symptoms therefrom except a mild transient deafness. There must have been a vestibular nerve injury, however, since there was a marked bilateral subexcitability of this apparatus later determined.

In September, 1914, as the result of strains and privation in the field, he got vertigo and lachrymose spells, with some obsessions as though he would have to shoot himself in the foot or spring out at the enemy from the trench.

In hospital at Jena, insomnia, anxiety, excessive perspiration and salivation, feelings of the death of various parts of the body, especially the forearms and hands, associated with hypesthesia of the parts, were determined. He had a feeling of vertigo on walking and was very sensitive to noise. He now developed a very intense and very variable degree of deafness on both sides, diagnosticated as nervous deafness. The caloric test demonstrated vestibular subexcitability above mentioned. We may suppose that in this already injured organism fresh disorder had set in on a psychogenic basis in the same region that had been injured years before.

Mine explosion; emotion at death of comrades: Unconsciousness eight days with hallucinatory delirium; later, dizziness. History of previous trauma to head with unconsciousness and dizziness.

Case 295. (Lattes and Goria, March, 1917.)

Sent at end of May to the front, an Italian soldier (Class 1895, laundryman) was placed in an advanced post where he at once sustained great hardships.

Father drunkard, mother healthy, sister nervous. Two brothers healthy, one brother died of tuberculosis. Patient had scrofula, scarlet fever, and bronchitis (tendency to rave intensely when in fever). At four, sustained a trauma on the head (skull depression), dizziness, loss of consciousness.

June 7, a mine exploded in his vicinity, smashing several of his comrades. He did not himself fall to the ground, but was overwhelmed by a violent feeling of anguish. After a while, he lost consciousness. He woke up at Bologna, June 15, as after a long sleep. During the interval he had been in a state of intense hallucinatory delirium day and night. Then his mind began gradually to clear, first with amnesia of the shock which had caused the trauma. Then he recalled this fact too. Dizziness, however, grew in intensity so that he fell to ground many times during the day. There were intermittent tremors in the limbs.