Apraxia of speech can evolve into a neurologic disorder, causing difficulty with eye movement, using the limbs, walking and falling that worsens as time passes.

It may start with a simple word one can't pronounce and may lead to stage in six years that, they are in a diapers, can't speak, can't walk and are drooling, said the researchers from Mayo Clinic in Minnesota, US.

Some patients eventually become mute from primary progressive apraxia of speech.

The symptoms exhibited by people with apraxia of speech include slow speech rate, inconsistent mistakes, such as saying a word or sound correctly sometimes and not others, impaired rhythm of speech, groping of the mouth to make sounds, better automatic speech, such as greetings, compared with purposeful speech, the study elicited.

While speech therapy does not reverse or halt the progression of apraxia, it can develop compensations for producing better sounds. People with apraxia of speech also can use computers or texting for alternate means of communicating, the researchers said.

The study was presented at the American Association for the Advancement of Science (AAAS) annual meeting in the US last weekend.

 

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