PMID: 8965260Jan 1, 1996Paper

Discrimination of phase spectra in complex sounds by the bullfrog (Rana catesbeiana)

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
C A HainfeldA Megela Simmons

Abstract

1. Male bullfrogs at two different natural calling sites were presented with playbacks of synthetic advertisement calls differing in phase spectra. Sounds were presented in a ABA design to analyze the ability of the animals to perceive changes in repeated series of stimuli. 2. The number of individual croaks in an answering call significantly increased over repeated presentations of two of the three stimulus phase types in condition A1. There were significantly fewer croaks to the third stimulus. These data suggest that two stimuli were perceived in a similar manner. 3. Latency of calling to stimuli presented in conditions A and B changed in response to shifts in phase spectrum at a low density calling site. These differences were significant when comparing latency to playbacks where shifts in the phase spectrum changed the temporal fine-structure and waveform periodicity of the stimulus. 4. The increase in number of croaks and decrease in response latency across condition A1 and the increase in latency in condition B suggest that discrimination may take the form of stimulus-specific sensitization. In this context, sensitization might reflect an increase in arousal due to repeated presentation of a salient stimulus. 4. The oper...Continue Reading

Citations

Nov 13, 2010·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·James A Simmons, Andrea Megela Simmons
Dec 15, 2012·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Andrea Megela Simmons
Jul 13, 2000·Journal of Comparative Psychology·A M Simmons, M E Bean
May 19, 2005·The Journal of the Acoustical Society of America·Dianne N Suggs, Andrea Megela Simmons
Nov 18, 2015·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Ian C HallDarcy B Kelley

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