Human hemispheric dominance changes measurably over time.
Multiple neurodevelopmental and lifespan studies confirm that human functional hemispheric lateralization and dominance change measurably over time from infancy through adulthood.
The claim is specific and falsifiable, passing Step 0. Retrieved papers [0], [1], [2], and [7] provide direct neuroimaging and EEG evidence demonstrating that hemispheric specialization and lateralization shift dynamically across infancy, childhood, and adult aging. No papers refute the claim, so the verdict is SUPPORTED.
Yutaka Sato, Yuko Sogabe, R. Mazuka. Development of Hemispheric Specialization for Lexical Pitch–Accent in Japanese Infants. 2010. https://doi.org/10.1162/jocn.2009.21377
Paper [0] demonstrates a developmental shift from bilateral to left-hemisphere dominance for pitch-accent perception in infants.
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J. Hämäläinen, Silvia Ortiz-Mantilla, A. Benasich. Change detection to tone pairs during the first year of life - Predictive longitudinal relationships for EEG-based source and time-frequency measures. 2019. https://doi.org/10.1016/j.neuroimage.2019.05.034
Paper [1] shows differential maturation rates and developmental changes in hemispheric lateralization during the first year of life.
Xinyang Liu, Danni He, Miaomiao Zhu, Yinghui Li, Longnian Lin, Qing Cai. Hemispheric dominance in reading system alters contribution to face processing lateralization across development. 2024. https://doi.org/10.1016/j.dcn.2024.101418
Paper [2] finds that hemispheric lateralization for face and word processing changes across development from childhood to adulthood.
Roger E, Labache L, Hamlin N, Kruse J, Baciu M, Doucet GE. When age tips the balance: A dual mechanism affecting hemispheric specialization for language.. 2025. https://doi.org/10.1162/imag.a.63
Paper [7] reveals age-related trajectories showing that functional brain lateralization changes across the adult lifespan through dual mechanisms.
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