预期,条件和安慰剂效应在纤维肌痛患者和健康对照人群之间没有差异,但可能会有不同的关联
Galia Emergui1, Mariana Agostinho2, Rita Canaipa3
1The Cheryl Spencer Department of Nursing, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel; Sagol Department of Neurobiology, University of Haifa, Israel.
Journal of psychosomatic research
|July 4, 2025
概括
在健康个体中,期望和条件影响着安慰剂效应. 然而,在纤维肌痛患者中,先前的负面临床经验,而不是条件,显著影响安慰剂反应.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 疼痛研究 疼痛研究
背景情况:
- 患有纤维肌痛等慢性疼痛疾病的个人经常报告治疗结果不佳.
- 尽管如此,研究并未始终显示健康对照组和慢性疼痛患者之间安慰剂效应大小的差异.
- 这项研究研究了两个组的期望,条件和安慰剂效应的相互作用.
研究的目的:
- 检查期望,条件和安慰剂效应在健康对照组和纤维肌痛患者中的作用.
- 探索每个群体内的这些因素之间的关系.
- 了解以前的临床经验如何影响纤维肌痛中安慰剂反应.
主要方法:
- 招募女性健康对照和纤维肌痛患者.
- 利用实验性的安慰剂模式来衡量期望,条件和安慰剂效应.
- 采用统计分析,包括ANCOVA,相关性和回归分析.
主要成果:
- 在健康对照组和纤维肌痛患者之间没有发现预期,条件或安慰剂效应的显著差异.
- 在健康对照组中,强化预期预测了条件强度和安慰剂效应.
- 在纤维肌痛患者中,疼痛持续时间影响了预期,并缓和了调节和安慰剂效应之间的关系.
结论:
- 经典的安慰剂模型,其中条件影响期望,随后是安慰剂效应,在健康个体中得到支持.
- 这些关联在纤维肌痛患者中没有观察到,这表明先前的临床经验起着更重要的作用.
- 研究结果强调了负面临床经验对安慰剂反应和慢性疼痛患者群体潜在治疗疗效的影响.
更多相关视频
08:50How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants
Published on: December 14, 2014
9.4K
11:26Home-Based Transcranial Direct Current Stimulation Device Development: An Updated Protocol Used at Home in Healthy Subjects and Fibromyalgia Patients
Published on: July 14, 2018
17.5K
相关概念视频
01:54The Placebo Effect
6.3K
The placebo effect occurs when people's expectations or beliefs influence or determine their experience in a given situation. In other words, simply expecting something to happen can actually make it happen.
6.3K
02:07Blind Procedures
12.2K
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
12.2K
01:11Blinding
2.7K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.7K
01:17Classical Conditioning in Daily Life
1.1K
Classical conditioning, a fundamental principle of associative learning, explains various phenomena observed in daily life, such as fear development, the placebo effect, taste aversion, and drug habituation. These applications demonstrate the profound impact of associative learning on human behavior and physiological responses.
John B. Watson and Rosalie Rayner famously demonstrated the development of fear through classical conditioning in their experiment with Little Albert. They paired the...
John B. Watson and Rosalie Rayner famously demonstrated the development of fear through classical conditioning in their experiment with Little Albert. They paired the...
1.1K