17 Facts About Expressive aphasia


Expressive aphasia, known as Broca's aphasia, is a type of aphasia characterized by partial loss of the ability to produce language, although comprehension generally remains intact.

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Expressive aphasia differs from apraxia of speech, which is a motor disorder characterized by an inability to create and sequence motor plans for speech.

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Broca's aphasia is a type of non-fluent aphasia in which an individual's speech is halting and effortful.

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The prosody of a person with Broca's Expressive aphasia is compromised by shortened length of utterances and the presence of self-repairs and disfluencies.

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Example, in the following passage, a patient with Broca's Expressive aphasia is trying to explain how he came to the hospital for dental surgery:.

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Speech of a person with expressive aphasia contains mostly content words such as nouns, verbs, and some adjectives.

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Individuals with Broca's Expressive aphasia understand most of the everyday conversation around them, but higher-level deficits in receptive language can occur.

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Typically, people with expressive aphasia can understand speech and read better than they can produce speech and write.

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In most cases, expressive aphasia is caused by a stroke in Broca's area or the surrounding vicinity.

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However, cases of expressive aphasia have been seen in patients with strokes in other areas of the brain.

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Expressive aphasia can be caused by trauma to the brain, tumor, cerebral hemorrhage and by extradural abscess.

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Less common causes of expressive aphasia include primary autoimmune phenomenon and autoimmune phenomenon that are secondary to cancer have been listed as the primary hypothesis for several cases of aphasia, especially when presenting with other psychiatric disturbances and focal neurological deficits.

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Expressive aphasia is classified as non-fluent aphasia, as opposed to fluent aphasia.

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Constraint-induced Expressive aphasia therapy is based on similar principles as constraint-induced movement therapy developed by Dr Edward Taub at the University of Alabama at Birmingham.

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Two important principles of constraint-induced Expressive aphasia therapy are that treatment is very intense, with sessions lasting for up to 6 hours over the course of 10 days and that language is used in a communication context in which it is closely linked to actions.

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Expressive aphasia was first identified by the French neurologist Paul Broca.

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One of the most important aspects of Paul Broca's discovery was the observation that the loss of proper speech in expressive aphasia is due to the brain's loss of ability to produce language, as opposed to the mouth's loss of ability to produce words.

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