Comparing Group-Level Templates in Brain Connectivity Analysis
Author Information
Author(s): Kim Sunghun, Yoo Seulki, Xie Ke, Royer Jessica, Larivière Sara, Byeon Kyoungseob, Lee Jong Eun, Park Yeongjun, Valk Sofie L., Bernhardt Boris C., Hong Seok-Jun, Park Hyunjin, Park Bo-yong
Primary Institution: Sungkyunkwan University
Hypothesis
Which group-level template construction strategy is most effective in identifying between-group differences in brain connectivity?
Conclusion
Aligning a combined subject template of individuals with autism and neurotypical controls onto a high-quality independent template showed the most pronounced effect size and robust identification of ASD-related brain regions.
Supporting Evidence
- Using a combined template of ASD and control subjects improved the identification of brain regions related to autism.
- Templates that included both groups showed more balanced results than those using only one group.
- The study replicated findings in individuals with focal epilepsy, demonstrating the generalizability of the approach.
Takeaway
This study looked at different ways to create brain maps for comparing people with autism and those without, finding that using a mix of both groups gives better results.
Methodology
The study compared six different group-level template construction strategies using functional and structural connectome data from neurotypical controls and individuals with autism spectrum disorder.
Potential Biases
Using templates derived from only one group may introduce bias towards that group.
Limitations
The findings may not generalize to other populations or conditions outside of autism and focal epilepsy.
Participant Demographics
59 individuals with autism spectrum disorder and 56 neurotypical controls.
Statistical Information
P-Value
pFDR < 0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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