Human hemispheric dominance changes measurably over time.
the verdict
SUPPORTED
the evidence backs this
confidence 88/100
Multiple neurodevelopmental and lifespan studies confirm that human functional hemispheric lateralization and dominance change measurably over time from infancy through adulthood.
Evidence for · 4
Development of Hemispheric Specialization for Lexical Pitch–Accent in Japanese Infants
2010 · cited by 95
Paper [0] demonstrates a developmental shift from bilateral to left-hemisphere dominance for pitch-accent perception in infants.
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More for · 3
Change detection to tone pairs during the first year of life - Predictive longitudinal relationships for EEG-based source and time-frequency measures
2019 · cited by 8
Paper [1] shows differential maturation rates and developmental changes in hemispheric lateralization during the first year of life.
Hemispheric dominance in reading system alters contribution to face processing lateralization across development
2024 · cited by 6
Paper [2] finds that hemispheric lateralization for face and word processing changes across development from childhood to adulthood.
When age tips the balance: A dual mechanism affecting hemispheric specialization for language.
2025 · cited by 2
Paper [7] reveals age-related trajectories showing that functional brain lateralization changes across the adult lifespan through dual mechanisms.