Dysarthria

Dysarthria is a neurogenic motor speech disorder resulting from muscular weakness of the tongue, lips, soft palate, larynx or respiratory muscles . Individuals with dysarthria may exhibit abnormalities in strength, speed, range, tone and accuracy of muscular movements. Dysarthria may affect speech production, voice, respiration and prosody (melody of speech). There are different types of dysarthria. Dysarthria may co-exist with other disorders like apraxia of speech or aphasia (acquired language disorder).



Characteristics of dysarthira:

- Spasticity or rigidity of facial muscles or
- Weakness/flaccidity of facial muscles
- Facial droop
- Drooling
- Poor muscular coordination
- Slurred speech
- Imprecise speech
- Hyper- or hypo-nasality
- Breathiness
- Monotone
- Decreased or increased rate of speech
- Harsh or strained voice
- Reduced loudness

Causes of dysarthria:

- Stroke
- Head trauma or tumor
- Infections ( e.g., herpes)
- Degenerative diseases (e.g., Parkinson’s ALS, Huntington’s disease)
- Toxic-metabolic diseases
- Certain drugs

Useful resources:

- National Institute of Neurological Disorders and Stroke
- National Stroke Association
- American Stroke Association 

Beata Klarowska, M.S. CCC-SLP

Beata Klarowska is an American Speech Language-Hearing Association (ASHA) certified speech and language pathologist, licensed by the state of California.Beata cofounded Virtual Speech Center Inc. in 2011 and, to date, has developed more than 30 apps for speech, language, and cognition.

7/25/2011

Aphasia

By Beata Klarowska, M.S. CCC-SLP

Aphasia is a language disorder acquired secondary to an injury in the part of the brain responsible for language. Aphasia is very often caused by injury to the left hemisphere of the brain. Aphasia affects language comprehension, language production, reading and writing. There are several types of aphasia; the main divisions are fluent and non-fluent aphasia. The severity of aphasia depends on the extent and the location of the brain injury.

7/25/2011

Apraxia of speech

By Beata Klarowska, M.S. CCC-SLP

Apraxia of speech is a neurogenic motor- speech disorder secondary to damage to the parts of the brain; responsible for motor programming and sequencing. Apraxia of speech does not include muscular weakness, coordination or sensory loss. Facial muscles move but they have difficulty executing the program necessary for appropriate movements/articulatory postures. Individuals with apraxia of speech know what they want to say but have difficulty saying it.



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