Bücher von Irenaus Eibl-Eibesfeldt

The author argues that there are specific turning points in evolution. Structures and behavioral patterns that evolved in the service of discrete functions sometimes allow for unforeseen new developments as a side effect. In retrospect, they have proven to be pre-adaptations, and serve as raw material for natural selection to work upon.

With the discovery of conditioned reflexes by I. P. Pavlov, the possibilities for experimenting, following the example set by the classical, exact sciences, were made available to the behavioral sciences