'Countering the theory that glioblastoma–synaptic integration may result in physiologically disorganized neural responses, we found task-relevant neural activity within the entire region of the tumour-infiltrated cortex, including cortical regions that are not typically implicated in speech production (Fig. 1b)—a notable finding that indicates tumour-induced functional remodelling of language circuitry. '

https://www.nature.com/articles/s41586-023-06036-1