Interactive and vicarious acquisition of auditory preferences in Northern bobwhite (Colinus virginianus) chicks.
Studies examining the effects of stimulus contingency on filial imprinting have produced inconsistent findings. In the current study, day-old bobwhite chicks (Colinus virginianus) received individual 5-min sessions in which they were provided contingent, noncontingent, or vicarious exposure to a variant of a bobwhite maternal assembly call. Chicks given contingent exposure to the call showed a significant preference for the familiar call 24 hr following exposure and significantly greater preferences than chicks given noncontingent exposure. Chicks given vicarious exposure to recordings of another chick interacting with the maternal call showed significant deviations from chance responding; however, the direction of chick preference (toward the familiar or unfamiliar) depended on the particular call used. These results indicate that both direct and indirect (vicarious) exposure to stimulus contingency can enhance the acquisition of auditory preferences in precocial avian hatchlings. Precocial avian hatchlings thus likely play a more active role in directing their own perceptual and behavioral development than has typically been thought.
Harshaw
Christopher
C
Department of Psychology, Florida International University, Miami, FL 33199, USA. christopher.harshaw@fiu.edu
Lickliter
Robert
R
D000818:Animals; D001307:Auditory Perception; D002755:Choice Behavior; D003088:Colinus / Q000502:physiology*; D005260:Female; D008425:Maternal Behavior; D011930:Reaction Time; D014828:Vocalization, Animal
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