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相关概念视频

Blind Procedures02:07

Blind Procedures

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 child was...
Randomized Experiments01:13

Randomized Experiments

The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
Blinding01:11

Blinding

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.

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相关实验视频

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Monitoring Acupuncture Effects on Human Brain by fMRI
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针治疗中风后认知障碍基于默认模式网络分析:随机对照试验的协议.

Wangxinjun Cheng1,2, Moyu Wang1,2, Moyi Li1

  • 1Department of Rehabilitation Medicine, First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China.

JMIR research protocols
|September 12, 2025
PubMed
概括

这项研究研究了针治疗中风后认知障碍 (PSCI). 针可以通过调节默认模式网络 (DMN) 来改善认知功能,为中风幸存者提供潜在的非药物治疗.

关键词:
这是PSCI.认知功能 认知功能功能磁力共振成像 (fMRI) 是一种功能性磁共振成像技术 功能性磁共振成像技术脑卒中后的认知障碍 脑卒中后的认知障碍随机对照试验是随机对照试验.传统的中国医药传统的中国医药.

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科学领域:

  • 神经科学是一个神经科学.
  • 综合医学是一个整体的医学.
  • 康复科学 康复科学 康复科学

背景情况:

  • 脑卒中后认知障碍 (PSCI) 是中风的常见和衰弱的后果,影响记忆,注意力和执行功能.
  • 目前对PSCI的治疗方法有限,这凸显了对新型治疗策略的需求.
  • 针在中风幸存者中显示出潜在的认知改善,但它的神经机制,特别是涉及默认模式网络 (DMN),需要阐明.

研究的目的:

  • 评估针在提高PSCI患者的认知功能方面的疗效.
  • 探索针对PSCI的影响的神经生物学机制,重点关注DMN变化.
  • 利用多式神经成像来了解针对大脑网络的影响.

主要方法:

  • 一个单盲,随机对照试验,涉及54名PSCI患者.
  • 标准化头皮针组与假针对照组之间的比较.
  • 在基线和随访时进行认知评估 (MoCA,MMSE) 和多式神经成像 (rs-fMRI,DTI).

主要成果:

  • 该研究目前处于招聘阶段.
  • 临床和神经成像数据将在试验完成后进行分析和报告.
  • 结果正在等待出版.

结论:

  • 本协议旨在澄清针在治疗PSCI中的疗效和机制,强调DMN调制.
  • 整合临床和神经成像数据将建立对认知改善的客观措施.
  • 这些发现可能支持针作为个性化,非药物神经康复策略,用于中风后认知缺陷.