Emil von Gebsattel | Dr. Emil von Gebsattel that said he had written them under the influence of "dreamlike states" caused by psychasthenia . Kaynak:Emil Rupp
Neuroticism–anxiety: measures anxiety, fear, general emotionality, psychasthenia , and inhibition of aggression. The factor is also Kaynak:Alternative five model of personality
This psychasthenia was recognised by the Kriegsministerium (German War Ministry) in April 1917. In addition, cases of epilepsy and of Kaynak:World War I prisoners of war in Germany