"Psychosomatic" Phenomena in Animals

Induction of broodiness by participation in courtship and nest-building in the ring dove (Streptopelia risoria.

“…Future research should consider the possibility that the differential effect of the different situations when visually perceived is established partly through some form of conditioning (cf. 1,10), and experiments designed to explore this possibility are now being carried out by the author.…”

“…The specific question under investigation is: Does participation in courtship and in nestbuilding activity help to bring about the readiness to incubate? 1 This research was carried out with the support of research grants from the National Science Foundation (G-924), and from the Rutgers University Faculty Research Council (#261). The assistance of Mr. Philip Brody in the collection of the data is gratefully acknowledged.…”

Research trends in comparative psychology.

“…In view of the excellence of some of the work that is being done, it seems likely that both Pavlov [103] and Beach [8] were justified in expressing the hope that animal studies would eventually contribute a great deal to our understanding of human emotion and psychopathology.…”