Variation in human brain size is related to mental functioning.
the verdict
SUPPORTED
the evidence backs this
confidence 83/100
Multiple neuroimaging and cognitive studies demonstrate that variations in human brain structure, morphology, and network connectivity are systematically related to cognitive abilities and mental functioning.
Evidence for · 5
Genes associated with cognitive ability and HAR show overlapping expression patterns in human cortical neuron types
2023 · cited by 19
Neuronal properties related to intelligence are linked with structural features like dendritic length and gene expression patterns in the human cortex.
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More for · 4
Large-Scale Morphological Network Efficiency of Human Brain: Cognitive Intelligence and Emotional Intelligence
2021 · cited by 15
Network efficiency in brain morphology correlates with cognitive and emotional intelligence across different age groups.
Towards a “Treadmill Test” for Cognition: Reliable Prediction of Intelligence From Whole-Brain Task Activation Patterns
2018 · cited by 10
Whole-brain task activation patterns and structural features successfully predict general intelligence.
Comprehensive large-scale analyses reveal association between brain structure and cognitive ability during adolescence.
2026 · cited by 1
Comprehensive analyses of adolescent brain structure reveal significant associations with general intelligence and cognitive subtests.
Sex-related difference of subcortical gray matter volume associated with crystallized intelligence in young adults with obesity.
2026 · cited by 0
Subcortical gray matter volumes demonstrate significant correlations with crystallized intelligence.