催产素差异调节奖励系统对社会和非社会激励的反应
Matthew D Thurston1,2, Lauren C Ericksen3, Maci M Jacobson3,4
1Centre for Advanced Imaging, The University of Queensland, Brisbane, QLD, 4067, Australia. m.thurston@uq.edu.au.
Psychopharmacology
|October 4, 2024
概括
催产素不同地影响大脑对社会奖励和金钱奖励的反应. 这种激素影响奖励处理,可能有助于决策中的认知控制.
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.
- 内分泌学 在内分泌学.
背景情况:
- 催产素调节社会,生殖和奖励相关的行为.
- 对催产素对社会与非社会激励的不同神经效应的理解有限.
研究的目的:
- 研究催产素对社会和货币激励的行为和神经反应的影响.
- 澄清催产素在奖励处理和决策中的作用.
主要方法:
- 这是一项双盲,随机,交叉研究,涉及28名健康成年人.
- 在fMRI扫描之前,注入鼻内催产素或安慰剂.
- 货币和社会激励任务与大胆的成像,绩效和情绪评估.
主要成果:
- 催产素调节的血液动力学反应在腹膜区域/黑色体 (VTA/SN) 和核 (NAc).
- 在社会激励预期期间增加VTA/SN和减少NAc BOLD响应.
- 在货币激励预期期间,VTA/SN下降和NAc BOLD响应增加.
结论:
- 催产素在奖励激励决策中表现出微妙的作用.
- 催产素可以增强奖励突出性和认知控制,以获得长期益处.
- 对催产素和延迟折扣的进一步研究是有必要的.
相关概念视频
Neurotransmitters
828
Neurotransmitters are essential chemical messengers within the nervous system, facilitating the communication between neurons. These chemical messengers, varying in function and effect, are critical for sustaining various aspects of neurological health and emotional well-being.
828
Incentive Theory: Pull Theory of Motivation
387
Incentive theory, or the "pull theory" of motivation, suggests that external rewards primarily drive behavior. Individuals are motivated to engage in activities when they anticipate a desirable outcome. This is why people often work hard for promotions or study intensively to achieve high grades. These incentives can be tangible, physical rewards such as money or promotions, or intangible, non-physical rewards like praise and social recognition.
The theory differentiates between...
The theory differentiates between...
387
Operant Conditioning
1.5K
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...
1.5K
Regulation of Food Intake
202
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
202
Regulation of Hormone Secretion
3.3K
Regulation of hormone secretion is a finely tuned orchestration driven by various types of stimuli, encompassing neural, humoral, and hormonal signals. Environmental cues instigate neural stimuli, where action potentials traverse nerve fibers to reach their designated targets. An illustrative scenario is the body's response to stress, wherein the sympathetic nervous system releases epinephrine from the adrenal glands, inducing the well-known 'fight or flight' reaction.
Humoral...
Humoral...
3.3K
Operant Conditioning Intervention
51
Operant conditioning serves as a foundational principle in therapeutic interventions aimed at modifying maladaptive behaviors. Central to this approach is the notion that behaviors, both adaptive and maladaptive, are learned through reinforcement. By analyzing the environmental factors that reinforce problematic behaviors, clinicians can design interventions to weaken these reinforcements and replace maladaptive behaviors with healthier alternatives.
In operant conditioning, behaviors that are...
In operant conditioning, behaviors that are...
51


