IUB SPHS-S 110 - Motor Speech Disorders continued (3 pages)

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Motor Speech Disorders continued

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Motor Speech Disorders continued


talks about cerebral palsy and the tops, along with other types of dysarthria

Lecture number:
Lecture Note
Indiana University, Bloomington
Sphs-S 110 - Surv of Communication Disorder
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SPHS S 1nd Edition Lecture 20 Outline of Last Lecture I What is speech II Respiratory system III Phonatory system IV Resonatory system V Articulatory system VI Articulation VII Important structures in speech VIII Speech motor control IX What is motor speech disorder X How are motor speech disorders classified XI Motor speech disorders affect XII Dysarthria Outline of Current Lecture I Cerebral Palsy II Types a Spastic b Athetoid c Ataxic These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute III Acquired Dysarthria IV Flaccid Dysarthria V Spastic Dysarthria VI Hypokinetic Dysarthria VII Apraxia of Speech Current Lecture I II III IV Cerebral Palsy Caused by brain injury during fetal or infant development 500 000 individuals within the US 1 4 to 4 per 1 000 births Biggest cause is from low birth weight Nonprogressive disorder that affects movement communication growth talking sensation etc May affect one or more limbs May or may not affect cognitive and speech Types a Spastic Brain Damage to motor cortex or fiber tracts Most common Rigidity jerky labored slow Speech problems depends on type and severity of damage b Athetoid Damage to basal ganglia extrapyramidal tract Slow involuntary disorganized uncoordinated voluntary movement Usually severe speech problems Articulation errors resulting from excessive jaw movement c Ataxic Damage to cerebellum Poor balance movements lacking direction force or control Speech difficulties may be related to cognitive or language problems Acquired Dysarthria Group of speech disorders caused by disturbances of neuromuscular control of the speech production system Problems with muscle tone strength speed range and coordination Flaccid Dysarthria Weak muscle tone soft flabby V VI VII Spastic Dysarthria Stiff and rigid muscles Slow speech Hypokinetic Dysarthria Decrease or lack of appropriate movement Silences prolonged intervals Most associated with Parkinson s disease Apraxia of Speech Impairment of motor programing and planning that involves an inability to transform a linguistic representation into coordinate movement Cause usually a stroke in frontal love

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