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Intersensory functioning in bobwhite quail chicks: early sensory dominance
1Department of Psychology Virginia Polytechnic Institute and State University Blacksburg 24061.
Developmental Psychobiology
|November 1, 1989
Summary
Bobwhite quail hatchlings initially rely on auditory cues for species identification, with visual cues becoming important later. Auditory stimulation remains dominant for filial behavior throughout early development.
Area of Science:
- Ethology
- Developmental Psychology
- Neuroscience
Background:
- Precocial avian neonates rely on auditory and visual systems for filial behavior.
- Early filial behavior is crucial for survival in species like bobwhite quail.
Purpose of the Study:
- To investigate the interaction between auditory and visual stimulation in controlling filial behavior in bobwhite quail.
- To determine the functional priority of sensory systems during early postnatal development.
Main Methods:
- Observational study of bobwhite quail (Colinus virginianus) behavior.
- Controlled exposure to auditory and visual stimuli during the first four days post-hatch.
Main Results:
- Auditory system is prioritized for species identification at 1-2 days post-hatch.
- Combined auditory-visual stimulation is required for filial behavior at 3-4 days post-hatch.
- Auditory modality remains dominant over visual for maternal hen responsiveness.
Conclusions:
- Sensory system development (auditory precedes visual) influences early postnatal perceptual preferences.
- Findings challenge traditional assumptions about imprinting processes in avian neonates.