Abstract
Discrimination of auditory inputs and consequent vocal control in the mynah bird is an important preliminary to speech acquisition. Previous studies demonstrating a speech discriminated operant may have been confounded by a consequence (reinforcement/non-reinforcement) of initial vocal activity. A fixed ratio test for the first ISI indicates that the birds actually discriminate the input and the consequence-feedback alternative is not an appropriate explanation.
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Grosslight, J. H., Zaynor, W. C., & Lively, B. L. Speech as a stimulus for differential vocal behavior in the mynah bird (Gracula religiosa). Psychon. Sci., 1964, 1, 7–8.
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1. Portions of this study were presented at the Midwestern Psychological Association meetings, May, 1966, Chicago, Illinois. The material on Fixed ratio schedules in the mynah was presented at the Psychonomic Society meeting, October, 1965, Chicago, Illinois.
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Grosslight, J.H., Zaynor, W.C., Terhune, L. et al. Discrimination of speech stimuli by the mynah bird: A vocal FR test. Psychon Sci 6, 345–346 (1966). https://doi.org/10.3758/BF03330929
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DOI: https://doi.org/10.3758/BF03330929