The brains of twins exhibit high structural and functional similarity
the verdict
SUPPORTED
the evidence backs this
confidence 90/100
Extensive twin and neuroimaging studies demonstrate that brain structure and morphology exhibit strong heritability, resulting in high structural and functional similarity in twin brains.
Evidence for · 4
Genetic and Environmental Influences on Neuroimaging Phenotypes: A Meta-Analytical Perspective on Twin Imaging Studies
2012 · cited by 207
Meta-analytic evidence demonstrates that neuroimaging phenotypes, including brain structure and function, are strongly influenced by genetics.
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More for · 3
What Twin Studies Tell Us About the Heritability of Brain Development, Morphology, and Function: A Review
2015 · cited by 180
Review indicates that the majority of investigated brain measures are heritable to a large extent (60-80%), contributing to high morphological similarity between twins.
Structural MRI of brain similarity networks.
2025 · cited by 69
Recent work shows that structural MRI similarity effectively maps individual brain networks and reflects genetic architecture.
Twin MRI studies on genetic and environmental determinants of brain morphology and function in the early lifespan.
2020 · cited by 24
Studies of young twins confirm that global brain morphology and network organization are highly heritable from early childhood to young adulthood.