Friedreich's Ataxia is a hereditary disorder of the nervous system. Dysarthria has been proven to be a symptom of Freidreich's Ataxia. While this brain degenerative disease has been diagnosed since the time of the Civil War, many clinicians studying the development of this disease without empirical evidence of therapuetic treatments have led them to more intense study.
Nikolaus Friedriech was a German neurologist who found pathological correlations between ataxia and brain tumors. He realized in 1863 what has now become "Friedreich's Ataxia", which he identified in 1863 as a degenerative disease with sclerosis of the spinal cord which affects a person's speech, balance and coordination.
This was a study that tried to understand the severity of intelligibility and its deficit in Freidreich's Ataxia Dysarthria. It hopes to document a phonetic profile that will provide statistics of the intelligibility deficit. In addition, they wanted to use the data to estimate what the motor control mechanisms and neurological substances that enzymes act on in the Friedreich's ataxia dysarthria.
They took eleven males with this brain disease. they used a "single-world multiple-choice tasks that was completed by ten listeners. Results reported intelligibility severity ranging from mild to severe. Many fell into the mild category. Phonetic displayed a distinctive profile. Cerebro-cerebellar had a strong correlation with voicing contrast in mild patients.
This study concluded that Friedreich's Ataxia Dysarthria is not well developed as far as intelligibility severity relatability and phonetics are concerned. There is still a variety of treatments being used in Friedreich's Ataxia Dysarthria, in addition to much more research needed for a stronger diagnosis of this disease.
Bronagh Blaney and and Nigel Hewlett
School of Health Sciences, University of Ulster, Newtownabbey, UK
Speech and Hearing Sciences, Queen Margaret University College, Edinburgh UK
(Received 14 April 2005; accepted 8 March 2006)
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