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Updated: Jul 6, 2025

Operant Protocols for Assessing the Cost-benefit Analysis During Reinforced Decision Making by Rodents
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Published on: September 10, 2018

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通过操纵灵长类的中前线电路来平衡风险回报决策

Ryo Sasaki1, Yasumi Ohta2, Hirotaka Onoe3

  • 1Division of Physiology and Neurobiology, Department of Neuroscience, Graduate School of Medicine, Kyoto University, Kyoto-shi, Kyoto 606-8501, Japan.

Science (New York, N.Y.)
|January 4, 2024
PubMed
概括

这项研究揭示了腹膜区域 (VTA) 如何影响决策中的风险承担. 对6V区域的VTA信号控制了高风险,高回报选择和低风险,低回报选择之间的平衡.

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The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
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In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective. 
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