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Brain functional network modeling and analysis based on fMRI: a systematic review.

Zhongyang Wang1, Junchang Xin2,3, Zhiqiong Wang1

  • 1College of Medicine and Biological Information Engineering, Northeastern University, Shenyang, China.

Cognitive Neurodynamics
|May 27, 2021
PubMed
Summary
This summary is machine-generated.

Complex network analysis reveals altered brain functional network topology in neurodegenerative and mental disorders. This approach aids in understanding disease mechanisms and supports early diagnosis of brain conditions.

Keywords:
Brain functional networksComplex networkNeurological and psychiatric diseasesTopological properties

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Area of Science:

  • Neuroscience
  • Complex Network Theory
  • Medical Imaging Analysis

Background:

  • Increasing prevalence of neurodegenerative diseases (Alzheimer's, Parkinson's) and mental disorders (depression, schizophrenia).
  • Complex network analysis identifies brain functional network topologies (small-world, scale-free).
  • Abnormal topological changes in brain networks are linked to various brain diseases.

Purpose of the Study:

  • To review recent advancements in human brain functional network research.
  • To highlight the significance of topological properties in studying brain diseases.
  • To explore the utility of brain functional networks for disease pathology, analysis, and early diagnosis.

Main Methods:

  • Review of complex network theory applied to brain functional networks.
  • Description of brain functional network construction using neural imaging data.
  • Introduction to functional network analysis methods (structure analysis, disease classification).

Main Results:

  • Brain functional network analysis offers insights into pathological mechanisms.
  • Topological properties of brain networks are altered in neurological and psychiatric conditions.
  • Functional network analysis can assist in the early diagnosis of brain diseases.

Conclusions:

  • Brain functional networks provide a novel perspective for understanding brain diseases.
  • Network analysis methods are crucial for studying brain disease topology.
  • Future research should address current limitations and explore new directions in brain functional network analysis.