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  • Title: Modification of prenatal auditory experience alters postnatal auditory preferences of bobwhite quail chicks.
    Author: Lickliter R, Stoumbos J.
    Journal: Q J Exp Psychol B; 1992 Apr; 44(3-4):199-214. PubMed ID: 1598419.
    Abstract:
    This study assessed the effects of altered prenatal auditory experience on bobwhite quail chicks' (Colinus virginianus) species-specific preference for the bobwhite maternal call. Results revealed that when the repetition rate of the embryonic vocalizations normally present in the prenatal environment was altered, the species-typical auditory preference of hatchlings for the maternal call was also altered. Specifically, embryos exposed to embryonic vocalizations with a faster repetition rate than normal subsequently preferred a bobwhite maternal call with a faster repetition rate over one with its normal repetition rate. Bobwhite embryos thus appear able to abstract features of their prenatal auditory environment to other auditory events in the postnatal period. This demonstration of prenatal perceptual learning is in keeping with other recent studies from behavioural embryology, which have also demonstrated that prenatal perceptual experience can influence later responses to species-typical stimulation.
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