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Alteration of the temporal association between courtship audio and visual components affects female sexual response

Integrative Zoology 2023年第4期18卷 720-735页

作者： Clémentine MITOYEN Cliodhna QUIGLEY Virginie CANOINE Silvia COLOMBO Simon WÖLFL Leonida FUSANI Department of Behavioral and Cognitive Biology University of ViennaAustria Konrad Lorenz Institute of Ethology University of Veterinary MedicineViennaAustria Vienna Cognitive Science Hub University of ViennaViennaAustria

Some multimodal signals-that is,occurring in more than one sensory modality-appear to carry additional information which is not present when component signals are presented separately.To understand the function of male ring dove’s(Streptopelia risoria)multimodal courtship,we used audiovisual playback of male displays to investigate female response to stimuli differing in their audiovisual timing.From natural courtship recordings,we created a shifted stimulus where audio was shifted relative to video by aﬁxed value and a jittered stimulus,where each call was moved randomly along the visual channel.We presented 3 groups of females with the same stimulus type,that is,control,shifted,and jittered,for 7 days.We recorded their behavior and assessed pre-and post-test blood estradiol concentration.We found that playback exposure increased estradiol levels,conﬁrming that this technique can be efﬁciently used to study doves’sexual communication.Additionally,chasing behavior(indicating sexual stimulation)increased over experimental days only in the control condition,suggesting a role of multimodal timing on female response.This stresses the importance of signal conﬁguration in multimodal communication,as additional information is likely to be contained in the temporal association between modalities.

关键词： artiﬁcial stimulus audiovisual synchronization multisensory playback signal timing temporal conﬁguration

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