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J Comp Psychol. 2010 Feb;124(1):66-80. doi: 10.1037/a0017227.

The development of sexual behavior in tĂșngara frogs (Physalaemus pustulosus).

Author information

1
Section of Integrative Biology, and Institute for Neuroscience, The University of Texas at Austin, Austin, TX 78712, USA. alex.baugh@gmail.com

Abstract

We examined the emergence of a critical component of sex, response to sexual signals-phonotaxis-in male and female tĂșngara frogs (Physalaemus pustulosus). We determined the ontogenetic trajectories of phonotactic responses as animals developed from metamorphic froglets to reproductive adults. The results demonstrated that species-typical phonotaxis emerges quite early during postmetamorphic development, well before sexual maturity, suggesting that a developmentally early bias in the auditory system for species-typical signals might be a more general phenomenon than previously thought, and that the neural circuits responsible for processing and responding to conspecific advertisement signals in a species-typical manner might develop long before the coordinated behavior is demanded of the organism.

PMID:
20175598
DOI:
10.1037/a0017227
[Indexed for MEDLINE]

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