...Jeremy I. Borjon; Asif A. Ghazanfar One pragmatic underlying successful vocal communication is the ability to take turns. Taking turns - a form of cooperation - facilitates the transmission of signals by reducing the amount of their overlap. This allows vocalizations to be better heard. Until...

...Nihal C. de Lanerolle The effects of amphetamine (AMP) on the behaviour of domestic chicks were studied by methods of direct observation of behaviour. 7.5 mg/kg d- amphetamine sulphate injected into 5-day-old chicks characteristically facilitated vocalization - a period of peeps followed by short...

...Frank W. Peek; Orlan M. Youngren; Richard E. Phillips The activity in respiratory nerves and muscles in response to electrical stimulation of vocal substrates in the brain and to CO 2 stimulation of the respiratory centers was studied in 28 adult chickens. It was found that the same nerves...

...Frank W. Peek; Orlan M. Youngren; Richard E. Phillips The activity in respiratory nerves and muscles in response to electrical stimulation of vocal substrates in the brain and to CO 2 stimulation of the respiratory centers was studied in 28 adult chickens. It was found that the same nerves...

...Frank W. Peek; Orlan M. Youngren; Richard E. Phillips The activity in respiratory nerves and muscles in response to electrical stimulation of vocal substrates in the brain and to CO 2 stimulation of the respiratory centers was studied in 28 adult chickens. It was found that the same nerves...

...Richard E. Phillips; Orlan M. Youngren The relationships between two brain stem regions where electrical stimulation (ESB) evokes repetitive vocalizations in birds were investigated in anesthetized chickens. Electrodes were placed in the midbrain call region (MCR) and in a region ventral to nucleus...

...O.M. Youngren; F.W. Peek; R.E. Phillips Factors affecting the tension on the external tympaniform membranes of the syrinx during respiration and vocalization were studied in 35 adult chickens. These membranes are controlled by the interaction of the sternotrachealis and the tracheolateralis muscles...

...O.M. Youngren; F.W. Peek; R.E. Phillips Factors affecting the tension on the external tympaniform membranes of the syrinx during respiration and vocalization were studied in 35 adult chickens. These membranes are controlled by the interaction of the sternotrachealis and the tracheolateralis muscles...

...Charles T. Snowdon Three questions relate to how nonhuman species respond to speech and species-specific sounds: (1) Do nonhuman species perceive human speech in a human-like fashion? (2) How do nonhuman species perceive their own vocalizations? and (3) How does human perception of animal sounds...

... of individual vocalizations presented normally or backward in an isolated manner suggest that responsiveness of AC neurons to continuous sounds is lower than their responsiveness to isolated sounds, whether natural or artificial. 18 3 2008 © 1983 S. Karger AG, Basel 1983 Copyright / Drug Dosage...

... in Call Perception and Production Michael J. Ryan Department of Zoology, University of Texas, Austin, Tex., USA Key Words. Acoustic processing Anurans Behavioral latencies Vocalizations Abstract. A neotropical treefrog, Smilisca sila, exhibits an unusual ability to syn­ chronize its calling...

.... Acoustic communication Anurans Phylogenetic constraints Vocalizations Brain Behav. Evol. 28: 70-82(1986) Factors Influencing the Evolution of Acoustic Communication : Biological Constraints Michael J. Ryan Department of Zoology, University of Texas, Austin, Tex., USA Key Words. Acoustic communication...

... adaptive modifications to extant traits and behaviors. In this essay, a suite of nine vocal/sonic motor traits are compared in two orders of teleost fishes, the Batrachoidiformes and Scorpaeniformes. Only three of the traits are modified among Scorpaeniformes, the more advanced group. The large number...

...Andrew Bass; Karen Andersen In one species of vocalizing fish, the plainfin midshipman (Porichthys notatus), large, nest-guarding males ('type I') use striated muscles to produce acoustic communication signals that include short duration (< 1 s) 'burps' important in agonistic encounters and long...