Neuroplasticity is limited strictly to the cerebral cortex in the human brain
Neuroplasticity is not restricted to the cerebral cortex; it also occurs extensively within subcortical structures, brainstem regions, and the spinal cord.
The claim states that neuroplasticity is limited strictly to the cerebral cortex. Multiple retrieved papers describe neuroplastic adaptations and networks located outside the cortex, such as in the brainstem, medulla, reticulospinal tracts, and spinal cord circuits. Consequently, the claim is directly refuted by the literature.
Jindal V, Grudny MM, Wesson DW, Vaillancourt DE, Vahdat S. Medullary and C3-C4 propriospinal pathways underlying mammalian forelimb movement control.. 2026. https://doi.org/10.1073/pnas.2518217123
Paper [0] demonstrates that neuroplastic networks and propriospinal pathways involved in motor control extend to the medulla and cervical spinal cord.
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Xing Y, Liu J, Wu L, Zhang K, Yang S. A narrative review of motor control dual pathways: the corticospinal and reticulospinal tracts in synergy and differentiation.. 2026. https://doi.org/10.3389/fnana.2026.1768036
Paper [9] highlights that descending pathways such as the reticulospinal tract exhibit neuroplasticity to support functional recovery following central nervous system injury.
Lee-Hotta S. Involvement of the reticulospinal tract in the pathogenesis of spasticity after stroke and spinal cord injury.. 2026. https://doi.org/10.3389/fnins.2026.1753609
Paper [10] discusses maladaptive neuroplastic changes occurring within the brainstem reticular formation following central nervous system injury.
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