相关实验视频
Updated: Jun 30, 2026

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Studying Food Reward and Motivation in Humans
Published on: March 19, 2014
了解超标:使用奖励的神经电路来设计经济拍卖
Mauricio R Delgado1, Andrew Schotter, Erkut Y Ozbay
1Department of Psychology, Rutgers University, Newark, NJ 07102, USA.
概括
由于社会竞争和考虑损失,人们在拍卖会上竞价过高. 这项神经经济学研究揭示了拍卖中的损失厌恶如何推动更高的投标,影响经济行为.
科学领域:
- 神经经济学 神经经济学
- 行为经济学是一种行为经济学.
- 社会心理学 社会心理学
背景情况:
- 经济理论认为,拍卖会中的过度投标源于"获胜的快乐"或风险厌恶.
- 拍卖过度投标背后的神经机制,特别是在社会背景下,仍然不完全理解.
研究的目的:
- 为了研究拍卖过标的神经基础.
- 探索损失考虑在拍卖期间社会竞争中的作用.
- 整合神经成像和行为数据来解释超标现象.
主要方法:
- 功能磁共振成像 (fMRI) 用于测量拍卖期间的大脑活动 (BOLD响应).
- 将条纹体中的神经反应与竞价行为相关联.
- 设计行为实验来测试损失框架对超标的影响.
主要成果:
- 在拍卖会上的社会竞争加剧了血液中氧气水平依赖 (BOLD) 对状体损失的反应.
- 更大的超标与这种与损失相关的神经反应的大小相关.
- 架构拍卖以强调损失显著增加了过度投标行为.
结论:
- 在社会背景下考虑损失是拍卖过标的关键调解者.
- 神经经济学的发现挑战了纯粹的"胜利的快乐"或风险厌恶的解释.
- 了解社会环境中的损失厌恶对于解释拍卖中的经济决策至关重要.
相关概念视频
Law of Effect
B.F. Skinner, a prominent figure in behavioral psychology, introduced operant conditioning by emphasizing the role of consequences in shaping behavior. This theory builds upon the law of effect proposed by Edward Thorndike, which posits that behaviors followed by satisfying outcomes are likely to be repeated. In contrast, those followed by unsatisfying outcomes are less likely to recur.
Edward Thorndike's foundational work involved studying learning in animals, particularly using puzzle boxes...
Edward Thorndike's foundational work involved studying learning in animals, particularly using puzzle boxes...
Operant Conditioning
Operant conditioning, a key concept in behavioral psychology, involves using reinforcement and punishment to alter the likelihood of a behavior being repeated. B.F. introduced this type of conditioning. Skinner focused on voluntary behaviors and the consequences that follow them, influencing whether these behaviors will be strengthened or diminished.
Reinforcement in operant conditioning can be positive or negative, both of which serve to increase the likelihood of a behavior. Positive...
Reinforcement in operant conditioning can be positive or negative, both of which serve to increase the likelihood of a behavior. Positive...
Compensation Mechanisms
The human body employs intricate mechanisms to counteract changes in blood pH, preventing conditions like acidosis (pH < 7.35) and alkalosis (pH > 7.45). These compensatory responses aim to restore normal arterial blood pH by engaging respiratory or renal systems, depending on the source of the imbalance.
Respiratory Compensation
This mechanism addresses metabolic-induced pH imbalances by adjusting breathing rates. Respiratory compensation begins within minutes of detecting a pH...
Respiratory Compensation
This mechanism addresses metabolic-induced pH imbalances by adjusting breathing rates. Respiratory compensation begins within minutes of detecting a pH...
Timing and Consequences on Behavior
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 factor...
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 factor...
Reinforcement
Positive and negative reinforcement are key concepts in operant conditioning, a learning process where the consequences of a behavior affect the likelihood of that behavior being repeated.
Positive reinforcement occurs when a behavior is followed by the presentation of a rewarding stimulus, increasing the frequency of that behavior. For example:
Positive reinforcement occurs when a behavior is followed by the presentation of a rewarding stimulus, increasing the frequency of that behavior. For example:
Neural Circuits
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
