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Replies to post #204090 on DD Support Board and Research Team
Problems using or understanding language (aphasia)
At least one-fourth of all stroke survivors experience language impairments, involving the ability to speak, write, and understand spoken and written language. In right-handed individuals these strokes usually involve the left side of the brain. A stroke-induced injury to any of the brain’s language-control centers can severely impair verbal communication. There are several types of aphasia:
expressive aphasia, in which people lose the ability to speak or write the words they are thinking and to put words together in coherent, grammatically correct sentences.
receptive aphasia, in which people have difficulty understanding spoken or written language and often have incoherent speech. Although these individuals can form grammatically correct sentences, their utterances are often devoid of meaning.
global aphasia, in which people lose nearly all their linguistic abilities; they cannot understand language or use it to convey thought.
Aphasia, or the inability to understand or express speech, is very common following a stroke, impacting an estimated third of people who have one. (Fetterman’s campaign has denied he has aphasia, but some of his symptoms are consistent with the condition.) Those who have a stroke in their left brain hemisphere, which serves as the center of language processing in most people, are particularly vulnerable. For the brain to recover, it must modify and adapt to this new injury, a process known as neural plasticity. But neuroscientists still have many questions about how the brain rewires, particularly with regard to language.
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