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Inter-individual differences in human brain structure and morphology link to variation in demographics and behavior
Alberto Llera1,2,3, Thomas Wolfers1,2,3, Peter Mulders1,2,3,4
1Radboud University Nijmegen, Nijmegen, Netherlands.
Elife
|July 4, 2019
Summary
Brain structure variations in healthy young adults correlate with diverse demographic and behavioral traits. These structural differences reveal a
Area of Science:
- Neuroimaging and Neuroscience
- Human Brain Anatomy and Behavior
Background:
- Inter-individual differences in brain structure are known.
- Previous research linked brain function variations to behavior and demographics.
Purpose of the Study:
- To investigate the relationship between brain structural variations and demographic/behavioral factors.
- To determine if structural brain features alone can predict behavioral and demographic spectra.
Main Methods:
- Comprehensive integrative analysis of multiple magnetic resonance (MR)-based structural brain features.
- Utilized a large cohort of young, healthy human volunteers.
- Statistical analysis to identify correlations between structural features and variates.
Main Results:
- First-time strong evidence linking brain structural variations to a wide range of demographic and behavioral variates.
- Identified a robust 'positive-negative' spectrum of behavioral and demographic variates using only structural brain features.
- Demonstrated that structural brain variations are significant predictors of demographic and behavioral differences.
Conclusions:
- Brain structural variations are fundamental to understanding inter-individual differences in behavior and demographics.
- Structural brain features are crucial for analyses of functional connectivity and its associations with behavior.
- Highlights the importance of integrating structural information in neuroscience research.
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