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New Technique Helps Stroke Victims Communicate

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Stroke victims affected with loss of speech caused by Broca's aphasia have been shown to speak fluidly through the use of a process called "speech entrainment" developed by researchers at the University of South Carolina's Arnold School of Public Health.

Aphasia, a severe communication problem caused by damage to the brain's left hemisphere and characterized by halting speech, occurs in about one-third of people who have a stroke and affects personal and professional relationships. Using the speech entrainment technique, which involves mimicking other, patients showed significant improvement in their ability to speak.

The results of the study were published in the neurology journal Brain.

"This is the first time that we have seen people with Broca's aphasia speak in fluent sentences," said Julius Fridriksson, Ph.D., the study's lead researcher and a professor with the Department of Communication Sciences and Disorders at the Arnold School. "It is a small study that gives us an understanding of how the brain functions after a stroke, and it offers hope for thousands of people who suffer strokes each year."

In Fridriksson's study, 13 patients completed three separate behavioral tasks that were used to understand the effects of speech entrainment on speech production. During the "speech entrainment-audio visual" portion of the study, participants attempted to mimic a speaker in real-time whose mouth was made visible on the 3.5-inch screen of an iPod Touch and whose speech was heard via headphones.

The "speech entrainment-audio only" condition involved real-time mimicking speech presented via headphones with the screen of the iPod blank. During a spontaneous speech condition, patients spoke about a given topic without external aid.

Each patient also completed a 3-week training phase where they practiced speech every day with the aid of speech entrainment. Overall, the training resulted in improved spontaneous speech production, something that is relatively rare in this population. Ultimately the patients were able to produce a short script about their stroke to tell to other people.

Neuroimaging results from the patient subjects have also given Fridriksson and his research team a greater understanding of the mechanism involved in speech entrainment.

"Preliminary results suggest that training with speech entrainment improves speech production in Broca's aphasia, providing a potential therapeutic method for a disorder that has been shown to be particularly resistant to treatment," Fridriksson said.


In The News Archives
  Last Post: August 19, 2013 | View Comments(2)

want to talk with studdddy and people to understand me more I have a hard time getting loud

leeann taylorAugust 19, 2013
randolph, MA



I thought you would enjoy this.

Patrick CanavanJune 13, 2013
Rimrock, AZ




     

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