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September 10, 2025BrainOpen Access

Right hemisphere language network plasticity in aphasia

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Right hemisphere activation was greater in stroke survivors than controls, indicating recruitment for language processing.
Increased right hemisphere activation was related to younger age, left-handedness, and higher education among stroke survivors.
Right hemisphere activation magnitude was modest compared to left hemisphere activation, questioning previous assumptions about its role.
Findings suggest both upregulation of weakly active processors and new recruitment of the right dorsal inferior frontal gyrus in the language network.

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Imaging studies reveal increased right hemisphere activation in stroke survivors with aphasia, suggesting complex recruitment mechanisms.

Turkeltaub et al. (2025) studied this question.

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