The effects of time horizon and guided choices on explore–exploit decisions in rodents.
The effects of time horizon and guided choices on explore–exploit decisions in rodents.
复制标题
时间范围和引导选择对啮齿动物探索利用决策的影响。
DOI：
10.1037/bne0000549
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发表时间：
2023
影响因子：
1.9
通讯作者：
Fellous, Jean-Marc
中科院分区：
文献类型：
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作者：
Wang, Siyu;Gerken, Blake;Wieland, Julia R.;Wilson, Robert C.;Fellous, Jean-Marc
人类和动物必须在探索新选择的需求和利用产生良好结果的已知选择之间取得平衡。这种权衡被称为探索-利用困境。为了更好地理解人类和动物如何应对探索-利用困境的神经机制，一个好的动物行为模型至关重要。大多数先前的啮齿动物探索-开发研究使用行为学上不现实的操作框和反转学习范式，其中放弃一个坏选择的决定与探索一个新的信息收集选择的需要相混淆，使得难以区分不同的探索驱动和启发式。在本研究中，我们研究了啮齿动物如何使用空间导航地平线任务（Wilson et al., 2014）做出探索-开发决策，该任务适用于大鼠，以解决上述限制。我们用相同的方法将老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指导探索。此外，老鼠像人类一样使用信息驱动的定向探索，但它们探索的程度与人类相反，依赖于时间范围。此外，我们发现自由选择和引导选择对啮齿动物的探索有不同的影响，这一发现尚未在人类中进行测试。这项研究揭示了大鼠的探索-利用空间行为比以前认为的要复杂得多。（PsycInfo数据库记录(c) 2023 APA，版权所有）
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)