Age-related unstable transient states and imbalanced activation proportion of brain networks in people with autism spectrum disorder: A resting-state fMRI study using coactivation pattern analyses
2024

Brain Network Activity in Autism: A Study of Transient States

Sample size: 156 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhang Yunge, Lin Lin, Zhou Dongyue, Song Yang, Stein Abigail, Zhou Shuqin, Xu Huashuai, Zhao Wei, Cong Fengyu, Sun Jin, Li Huanjie, Du Fei

Primary Institution: Central Hospital of Dalian University of Technology, Dalian, China

Hypothesis

Does spatial stability differ across transient network states in individuals with autism spectrum disorder?

Conclusion

The study found that individuals with autism spectrum disorder exhibit atypical transient brain functions, particularly in the default mode network, which are related to social deficits.

Supporting Evidence

  • The study identified six transient network states shared by both ASD and control groups.
  • DMN-TNSs were found to be the most stable and had the longest dwell times.
  • Adults with ASD showed lower spatial stability in DMN-TNSs compared to healthy controls.
  • Juvenile ASD participants had a higher dwell time in SN-TNSs compared to controls.
  • Significant correlations were found between spatial stability and social responsiveness scores.

Takeaway

This study looked at how the brains of autistic people work over time and found that their brain activity is different from non-autistic people, especially when it comes to social skills.

Methodology

The study used coactivation pattern analysis on resting-state fMRI data from 156 subjects, including both juveniles and adults with autism and healthy controls.

Potential Biases

The ASD group had significantly larger head motion than the control group, which could introduce bias.

Limitations

The study was limited to male participants with normal intelligence and used single scanning data.

Participant Demographics

156 subjects, including 78 juveniles and 78 adults with autism spectrum disorder and matched healthy controls.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1162/netn_a_00396

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