基于贝叶斯语境行为控制的选择和反应时间的联合建模
Sarah Schwöbel1, Dimitrije Marković1, Michael N Smolka2
1Department of Psychology, Technische Universität Dresden, Dresden, Germany.
PLoS computational biology
|July 5, 2024
概括
这项研究引入了一种新的联合模型,将贝叶斯决策与采样相结合,以预测选择和反应时间. 该模型成功地解释了各种决策任务中的行为,揭示了共同的底层过程.
科学领域:
- 认知神经科学 认知神经科学
- 计算心理学 计算心理学
- 行为经济学是一种行为经济学.
背景情况:
- 反应时间是认知科学的关键行为指标,但在基于价值的决策模型中经常被忽视.
- 现有的模型通常将单独的选择和反应时间账户联系在一起,而不是提供一个集成的框架.
研究的目的:
- 开发一种新的选择和反应时间的整合性联合模型.
- 为了解释计划过程中的内部不确定性如何影响反应时间分布.
- 证明模型能够解释各种决策范式的能力.
主要方法:
- 结合了贝叶斯序列决策计算模型与马尔科夫链蒙特卡洛 (MCMC) 采样器.
- 扩展了一个特定于背景的贝叶斯前规划模型.
- 利用模拟来复制实验发现.
主要成果:
- 提出的模型成功地重现了基于价值的决策中的众所周知的发现.
- 该模型解释了工具学习和自动化行为任务中的选择行为和反应时间.
- 该模型准确地捕捉了埃里克森侧边任务和任务切换范式中的性能.
结论:
- 开发的联合行为模型提供了对选择和反应时间的综合考虑.
- 这些发现表明,在不同的决策任务中,有共同的基础计算过程.
- 这种方法通过将内部不确定性与可观测的行为联系起来,从而提高对决策的理解.
更多相关视频
相关概念视频
Decision Making: Traditional Method
4.0K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
4.0K
Decision Making
106
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Automatic decision-making is fast, intuitive, and relies on gut feelings...
106
Multi-input and Multi-variable systems
105
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
105
Behavior Modification
137
Behavioral approaches have often been criticized for ignoring mental processes and focusing solely on observable behavior. However, these approaches provide an optimistic perspective for individuals seeking to change their behaviors. Rather than concentrating on intrinsic personality traits, behavioral approaches suggest that even longstanding habits can be modified by changing the reward contingencies that maintain them.
A real-world application of operant conditioning principles is applied...
A real-world application of operant conditioning principles is applied...
137
Timing and Consequences on Behavior
88
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.
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
88
Behavioral Genetics and Its Designs
352
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
352


