在成年期,多巴胺受体的可用性和风险投资决策之间存在多变量关联
Mikella A Green1, Jennifer L Crawford2, Camelia M Kuhnen3
1Department of Psychology & Neuroscience, 417 Chapel Dr, Durham, NC 27708, Center for Cognitive Neuroscience, Duke University, 308 Research Drive, Durham, NC 27708.
Cerebral cortex communications
|May 31, 2023
概括
多巴胺D2类受体可用性的个体差异,特别是在杏仁体中,与成年人的金融风险行为有关. 这表明了金融决策灵活性的生物基础.
科学领域:
- 神经科学是一个神经科学.
- 行为经济学是一种行为经济学.
- 多巴胺受体研究 多巴胺受体研究
背景情况:
- 多巴胺调节会影响整个成年期的金融风险承担.
- 基线个人多巴胺功能与财务决策之间的关系仍然不清楚.
- 了解这些联系可以为金融行为和神经学研究提供信息.
研究的目的:
- 调查多巴胺D2类受体可用性的个体差异与风险的财务决策之间的联系.
- 探索多巴胺功能如何与投资任务中的特定行为和信念措施有关.
主要方法:
- 35名健康的成年人接受了用[11C]FLB457进行 pozitron发射断层扫描 (PET) 扫描,以测量多巴胺D2类受体的可用性.
- 参与者完成了一个与激励相容的风险投资任务,涉及安全 (债券) 和风险 (股票) 资产之间的选择.
- 使用正规相关性分析来评估决策变量与关键大脑区域的多巴胺受体结合潜力之间的多变量关联,控制年龄.
主要成果:
- 在决策措施和多巴胺功能之间发现了一个显著的多变量关联 (r=0.76),主要是由选择不灵活性,错误的选择,乐观,杏仁体多巴胺D2类受体结合潜力和年龄驱动的.
- 杏仁体多巴胺D2类受体结合潜力和年龄独立与选择不灵活性相关.
- 这些发现强调了杏仁体和多巴胺在财务决策一致性中的作用.
结论:
- 多巴胺D2类受体可用性的个体差异,特别是在杏仁体中,与健康成年人的财务风险承担和决策灵活性有关.
- 这项研究表明,金融行为变化的神经生物学基础.
- 进一步的研究可以探索调节财务决策的治疗目标.
相关概念视频
01:28Human Genetics
629
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
629
01:30Attention-Deficit/Hyperactivity Disorder
133
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
133
01:15Drug Abuse and Addiction: Pharmacological Phenomena
574
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
574
01:20Decision Making
153
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...
153
01:30Quantitative Aspects of Drug-Receptor Interaction
1.1K
The receptor occupancy theory connects a drug's response to the number of occupied receptors. With higher drug concentrations, more receptors are occupied, leading to increased responses. The formation of drug-receptor complexes involves association and dissociation rates, which reach equilibrium when the forward and backward reactions are equal. The equilibrium association constant (Ka) and its inverse, the equilibrium dissociation constant (Kd), indicate drug affinity. Higher Ka and lower...
1.1K