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The most common cause of expressive aphasia is stroke. A stroke is caused by hypoperfusion (lack of oxygen) to an area of the brain, which is commonly caused by thrombosis or embolism. Some form of aphasia occurs in 34 to 38% of stroke patients. [23] Expressive aphasia occurs in approximately 12% of new cases of aphasia caused by stroke. [24]
In aphasia (sometimes called dysphasia), [a] a person may be unable to comprehend or unable to formulate language because of damage to specific brain regions. [2] The major causes are stroke and head trauma; prevalence is hard to determine, but aphasia due to stroke is estimated to be 0.1–0.4% in the Global North. [3]
Non-fluent aphasia, also called expressive aphasia, is a neurological disorder that deprives patients of the ability to express language. It is usually caused by stroke or lesions in Broca's area, which is a language-dominant area that is responsible for speech production located in the left hemisphere of the brain. However, when lesions form ...
Ischemic stroke happens when blood clots or plaque block blood vessels to the brain. About 87% of strokes are ischemic, says the Centers for Disease Control and Prevention (CDC).
My Beautiful Broken Brain is a 2014 documentary film about the life of 34-year-old Lotje Sodderland after she suffered a hemorrhagic stroke as a result of a congenital vascular malformation in November 2011, initially experiencing aphasia, the complete loss of her ability to read, write, or speak coherently.
Mixed transcortical aphasia is characterized by severe speaking and comprehension impairment, but with preserved repetition. [6] People who suffer mixed transcortical aphasia struggle greatly to produce propositional language or to understand what is being said to them, yet they can repeat long, complex utterances or finish a song once they hear the first part.
A recent paper reports that the use of the drug tenecteplase, not yet approved for stroke treatment in the U.S., may lead to slightly better outcomes after a stroke than the commonly used alteplase.
Transcortical motor aphasia (TMoA), also known as commissural dysphasia or white matter dysphasia, results from damage in the anterior superior frontal lobe of the language-dominant hemisphere. This damage is typically due to cerebrovascular accident (CVA).
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