nervous breakdown
noun: a severe or incapacitating emotional disorder
Schauberger
This was confirmed by Prof. Budau at the test stand on the 22nd of June 1922. With this Viktor Kaplan saw himself at the culmination of years-long experimental endeavours, when suddenly an unexpected setback occurred, causing a severe nervous breakdown which crippled his ability to work. [The Energy Evolution - Harnessing Free Energy from Nature, Cadaverine Poison in Ray-Form - Ptomaine Radiation]