生活早期的群体大小会影响日本鹌鹑的反应抑制,但不会影响反应抑制的学习。

IF 1.9 4区 心理学 Q3 BEHAVIORAL SCIENCES
Kathryn Willcox, Alizée Vernouillet, Luc Lens, Frederick Verbruggen
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引用次数: 0

摘要

在复杂的社会环境中,动物通过抑制不恰当的反应(即反应抑制)来避免冲突和保持群体凝聚力。最近的研究表明,个体早期的社会环境会影响其反应抑制能力。然而,这些研究结果大多是相关性的,而且不同物种的结果也不尽相同。此外,在测量反应抑制时,学习的作用往往被忽视,尽管它对理解群体差异具有潜在的重要性。我们研究了日本鹌鹑(Coturnix japonica)生命早期群体大小(社会复杂性的关键决定因素)对反应抑制的影响,同时考虑了学习的作用。鹌鹑(n = 120)被饲养在5只的小群或15只的大群中。使用圆筒任务评估反应抑制。最多进行十次试验,以评估鹌鹑的反应是否会随着任务经验的增加而改变。在完成十次试验的鹌鹑中,我们发现大群饲养的鹌鹑啄圆筒的时间始终少于小群饲养的鹌鹑。鹌鹑的反应还受到其身体状况、食物动机和性别的影响。重要的是,鹌鹑学会了抑制自己的反应--在十次试验中,成功的试验次数增加,啄圆筒的时间减少。然而,不同处理组之间的学习率并无差异。这些研究结果表明,在圆筒任务中,早期生活的社会群体规模促进了鹌鹑反应抑制能力的发展,但并没有促进它们对反应抑制能力的学习。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Early-life group size influences response inhibition, but not the learning of it, in Japanese quails.

In complex social environments, animals benefit from suppressing inappropriate responses (known as Response Inhibition) to avoid conflicts and maintain group cohesion. Recent research suggests that an individual's early-life social environment can shape their response inhibition. However, these findings have mostly been correlational, and results vary across species. Furthermore, the role of learning is often overlooked when measuring response inhibition, despite its potential importance to understanding group differences. We investigated the effect of early-life group size, a key determinant of social complexity, on response inhibition in Japanese quails (Coturnix japonica), whilst taking the role of learning into account. Quails (n = 120) were raised in either small groups of five or large groups of 15 individuals. Response inhibition was assessed using the cylinder task. Up to ten trials were administered to assess whether the birds' responses changed with increasing experience of the task. Among the quails that completed ten trials, we found that those raised in large groups consistently spent less time pecking the cylinder than those raised in small groups. The quails' responses were also influenced by their body condition, food motivation and sex. Importantly, the quails learned to inhibit their responses - successful trials increased, and time spent pecking the cylinder decreased, across ten trials. However, learning rates did not differ between the treatment groups. These findings suggest that early-life social group size promotes the development of response inhibition in quails, but not their learning of it, during the cylinder task.

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来源期刊
Learning & Behavior
Learning & Behavior 医学-动物学
CiteScore
2.90
自引率
5.60%
发文量
50
审稿时长
>12 weeks
期刊介绍: Learning & Behavior publishes experimental and theoretical contributions and critical reviews concerning fundamental processes of learning and behavior in nonhuman and human animals. Topics covered include sensation, perception, conditioning, learning, attention, memory, motivation, emotion, development, social behavior, and comparative investigations.
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