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date: 07 July 2020

Abstract and Keywords

Erich Feuchtwanger’s 1923 monograph provided one of the first major descriptions of the neurobehavioral outcome of prefrontal damage. Feuchtwanger collected qualitative and quantitative data from 400 World War I veterans, 200 with penetrating wounds to prefrontal cortex, and 200 with nonfrontal damage. A data reanalysis with modern actuarial calculation showed that neurobehavioral signs associated with prefrontal caseness varied widely in prevalence and strength of association. “Witzeln” (social insensitivity) was uncommon but highly specific, while slowed processing was common but only modestly specific. Feuchtwanger’s data predate by 90 years the modern view that the prefrontal zones regulate social and emotional behaviors.

Keywords: Erich Feuchtwanger, prefrontal cortex, personality change, traumatic brain injury, executive functions

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