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广义心理相互作用 (PPI) 分析阿尔茨海默病遗传危险个体的记忆相关连通性
JoVE Journal
Neuroscience
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JoVE Journal Neuroscience
Generalized Psychophysiological Interaction (PPI) Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer’s Disease
DOI:

09:38 min

November 14, 2017

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Chapters

  • 00:05Title
  • 00:47fMRI BOLD Data Collection & Preprocessing
  • 04:31PPI Model
  • 06:06Group Comparisons
  • 07:34Results: APOEε4 Functional Connectivity Change Maps
  • 08:51Conclusion

Summary

Automatic Translation

这篇手稿描述了如何实现心理的交互分析, 揭示了任务相关的变化, 在功能连通性之间的选择种子区和体在其他区域的大脑。心理交互分析是一种常用的方法来检查任务对大脑连通性的影响, 有别于传统的单变量激活效应。

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