时间跨度和引导选择对啮齿动物探索-开发决策的影响

IF 1.6 4区 医学 Q3 BEHAVIORAL SCIENCES Behavioral neuroscience Pub Date : 2023-04-01 Epub Date: 2023-01-12 DOI:10.1037/bne0000549
Siyu Wang, Blake Gerken, Julia R Wieland, Robert C Wilson, Jean-Marc Fellous
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引用次数: 0

摘要

人类和动物必须在探索新方案和利用已知方案之间取得平衡。这种权衡被称为 "探索-开发困境"。要想更好地了解人类和动物如何解决探索-开发两难问题的神经机制,一个好的动物行为模型至关重要。以往的啮齿动物探索-开发研究大多使用不符合伦理的操作箱和逆转学习范式,在这些范式中,放弃一个糟糕选项的决定与探索一个新选项以收集信息的需要相混淆,因此很难区分探索的不同驱动力和启发式。在这项研究中,我们利用一项针对大鼠的空间导航水平线任务(Wilson 等人,2014 年)来研究啮齿类动物如何做出探索-开发决策,以解决上述局限性。我们使用相同的测量方法将大鼠的表现与人类的表现进行了比较。我们发现,大鼠利用先验信息有效地引导探索。此外,大鼠与人类一样使用信息驱动的定向探索,但其探索程度与时间跨度的依赖性与人类相反。此外,我们还发现自由选择和引导选择对啮齿类动物的探索有不同的影响,这一发现尚未在人类身上得到验证。这项研究揭示了啮齿类动物的探索-开发空间行为比以前认为的更为复杂。(PsycInfo Database Record (c) 2023 APA, 版权所有)。
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The effects of time horizon and guided choices on explore-exploit decisions in rodents.

Humans and animals have to balance the need for exploring new options with exploiting known options that yield good outcomes. This tradeoff is known as the explore-exploit dilemma. To better understand the neural mechanisms underlying how humans and animals address the explore-exploit dilemma, a good animal behavioral model is critical. Most previous rodents explore-exploit studies used ethologically unrealistic operant boxes and reversal learning paradigms in which the decision to abandon a bad option is confounded by the need for exploring a novel option for information collection, making it difficult to separate different drives and heuristics for exploration. In this study, we investigated how rodents make explore-exploit decisions using a spatial navigation horizon task (Wilson et al., 2014) adapted to rats to address the above limitations. We compared the rats' performance to that of humans using identical measures. We showed that rats use prior information to effectively guide exploration. In addition, rats use information-driven directed exploration like humans, but the extent to which they explore has the opposite dependance on time horizon than humans. Moreover, we found that free choices and guided choices have different influences on exploration in rodents, a finding that has not yet been tested in humans. This study reveals that the explore-exploit spatial behavior of rats is more complex than previously thought. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

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来源期刊
Behavioral neuroscience
Behavioral neuroscience 医学-行为科学
CiteScore
3.40
自引率
0.00%
发文量
51
审稿时长
6-12 weeks
期刊介绍: Behavioral Neuroscience publishes original research articles as well as reviews in the broad field of the neural bases of behavior.
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