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Aphasia is a disorder that is caused by damage to the parts of the brain that are responsible for language. It affects production and comprehension of speech and the ability to read or write.

Aphasia tends to develop suddenly, most commonly after a stroke or brain injury, but can also develop progressively because of a brain tumor or neurological diseases.

There are several different types of aphasia. They are often categorized as fluent aphasia, non-fluent aphasia, and global aphasia.

Fluent aphasia: An individual with fluent aphasia may be able to speak in long, complete sentences, but they may not have any meaning. The most common type of fluent aphasia is Wernicke’s aphasia, which is caused by damage to the brain’s temporal lobe.

Non-fluent: An individual with non-fluent aphasia may understand speech but may not be able to produce or write it. Non-fluent aphasia can cause Broca’s aphasia and tends to be caused by damage that affects frontal lobe of brain.

Global aphasia: An individual with global aphasia can have severe difficulty with both the comprehension and production of language. Global aphasia is caused by damage to extensive portions of language areas of the brain.

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