Researchers have long known that brain tumors, specifically a type of tumor called a glioma, can affect a person's cognitive and physical function.
cells produce substances that can act as neurotransmitters, proteins that help neurons communicate with each other.
This surplus of neurotransmitters triggers neurons to become hyperactive and secrete chemicals that stimulate and accelerate the proliferation and growth of the cancer cells.
While the patients engaged in these tasks, the language networks in their brains were activated as expected. However, we found that the brain regions the tumors had infiltrated quite remote from known language zones of the brain were also activated during these tasks.in the brain tissue surrounding them and increase their activity.
This may account for the cognitive decline frequently associated with the progression of gliomas. However, by directly recording the electrical activity of the brain using, we showed that despite being hyperactive, these remote brain regions had significantly reduced computational power. This was especially the case for processing more complex, less commonly used words, such as"rooster", in comparison with simple, more commonly used words, such as"car".need to recruit additional cellsWe make an analogy to an orchestra. The musicians need to play in synchrony for the music to work. When you lose the cellos and the woodwinds, the remaining musicians can't deliver the piece as effectively as when all players are present.
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