成年听觉大脑对季节性鸣禽雏鸟乞食叫声的反应:对非亲鸟雄性和雌性椋鸟(Sturnus vulgaris)的 fMRI 研究

IF 2.6 3区 医学 Q2 BEHAVIORAL SCIENCES
Nicholas Vidas-Guscic, Elisabeth Jonckers, Johan Van Audekerke, Jasmien Orije, Julie Hamaide, Gaurav Majumdar, Laurence Henry, Martine Hausberger, Marleen Verhoye, Annemie Van der Linden
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引用次数: 0

摘要

本研究旨在调查乞讨叫声是否会引起非亲鸟的特定听觉反应,这些反应是否会受到鸟类荷尔蒙状态的影响,以及它们是否反映了欧洲椋鸟(Sturnus vulgaris)双亲对后代的照顾。研究人员进行了一项 fMRI 实验,让非亲鸟的雄性和雌性欧洲椋鸟在人工诱导的繁殖期和非繁殖期听同种雏鸟的乞讨叫声录音。这一反应与它们对同种个体莺歌主题和人工纯音的反应进行了比较,这两种刺激分别作为社会物种特异性刺激和人工对照刺激。我们的研究结果表明,乞讨鸣叫会唤起非亲鸟雄性和雌性椋鸟的反应,而且无论季节或性别,右侧场L和尾内侧巢核(NCM)的反应性都明显较高。此外,雌雄椋鸟的听觉大脑反应存在明显的季节性差异,在NCM的腹中矢状区内,只有乞讨叫声能引起椋鸟的听觉反应,而应用的对照刺激则不能引起椋鸟的听觉反应。右侧初级听觉系统(L区)对乞讨叫声的反应增强,甚至在非亲鸟中也是如此;光周期诱导的激素神经调节对次级听觉系统(NCM)中后代乞讨叫声的听觉反应,与哺乳动物对饥饿叫声的反应相似。这表明一种趋同的进化旨在促进成体对这种对后代生存至关重要的叫声做出迅速反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adult auditory brain responses to nestling begging calls in seasonal songbirds: an fMRI study in non-parenting male and female starlings (Sturnus vulgaris)
The present study aims to investigate whether begging calls elicit specific auditory responses in non-parenting birds, whether these responses are influenced by the hormonal status of the bird, and whether they reflect biparental care for offspring in the European starling (Sturnus vulgaris). An fMRI experiment was conducted to expose non-parenting male and female European starlings to recordings of conspecific nestling begging calls during both artificially induced breeding and non-breeding seasons. This response was compared with their reaction to conspecific individual warbling song motifs and artificial pure tones, serving as social species-specific and artificial control stimuli, respectively. Our findings reveal that begging calls evoke a response in non-parenting male and female starlings, with significantly higher responsiveness observed in the right Field L and the Caudomedial Nidopallium (NCM), regardless of season or sex. Moreover, a significant seasonal variation in auditory brain responses was elicited in both sexes exclusively by begging calls, not by the applied control stimuli, within a ventral midsagittal region of NCM. This heightened response to begging calls, even in non-parenting birds, in the right primary auditory system (Field L), and the photoperiod induced hormonal neuromodulation of auditory responses to offspring’s begging calls in the secondary auditory system (NCM), bears resemblance to mammalian responses to hunger calls. This suggests a convergent evolution aimed at facilitating swift adult responses to such calls crucial for offspring survival.
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来源期刊
Frontiers in Behavioral Neuroscience
Frontiers in Behavioral Neuroscience BEHAVIORAL SCIENCES-NEUROSCIENCES
CiteScore
4.70
自引率
3.30%
发文量
506
审稿时长
6-12 weeks
期刊介绍: Frontiers in Behavioral Neuroscience is a leading journal in its field, publishing rigorously peer-reviewed research that advances our understanding of the neural mechanisms underlying behavior. Field Chief Editor Nuno Sousa at the Instituto de Pesquisa em Ciências da Vida e da Saúde (ICVS) is supported by an outstanding Editorial Board of international experts. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians and the public worldwide. This journal publishes major insights into the neural mechanisms of animal and human behavior, and welcomes articles studying the interplay between behavior and its neurobiological basis at all levels: from molecular biology and genetics, to morphological, biochemical, neurochemical, electrophysiological, neuroendocrine, pharmacological, and neuroimaging studies.
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