Túngara frogs
نویسندگان
چکیده
منابع مشابه
Túngara frogs
Why are they called túngara frogs? As in most frog species, males call to attract females. Unlike most other frog species, túngara frogs produce both simple and complex calls. A simple call consists of a frequencymodulated sweep called a ‘whine’, while a complex call is a whine plus one to six or seven broadband ‘chucks’. The name ‘túngara’ frog is onomatopoeically derived from the male’s call:...
متن کاملSEXUAL SELECTION. Irrationality in mate choice revealed by túngara frogs.
Mate choice models derive from traditional microeconomic decision theory and assume that individuals maximize their Darwinian fitness by making economically rational decisions. Rational choices exhibit regularity, whereby the relative strength of preferences between options remains stable when additional options are presented. We tested female frogs with three simulated males who differed in re...
متن کاملVestigial preference functions in neural networks and túngara frogs.
Although there is a growing interest in understanding how perceptual mechanisms influence behavioral evolution, few studies have addressed how perception itself is shaped by evolutionary forces. We used a combination of artificial neural network models and behavioral experiments to investigate how evolutionary history influenced the perceptual processes used in mate choice by female túngara fro...
متن کاملThe development of sexual behavior in túngara frogs (Physalaemus pustulosus).
We examined the emergence of a critical component of sex, response to sexual signals-phonotaxis-in male and female túngara 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 dev...
متن کاملFemale túngara frogs do not experience the continuity illusion.
In humans and some nonhuman vertebrates, a sound containing brief silent gaps can be rendered perceptually continuous by inserting noise into the gaps. This so-called "continuity illusion" arises from a phenomenon known as "auditory induction" and results in the perception of complete auditory objects despite fragmentary or incomplete acoustic information. Previous studies of auditory induction...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2006
ISSN: 0960-9822
DOI: 10.1016/j.cub.2006.10.046