IUB SPHS-S 110 - Motor Speech Disorders (4 pages)

Previewing page 1 of 4 page document View the full content.
View Full Document

Motor Speech Disorders

Previewing page 1 of actual document.

View the full content.
View Full Document
View Full Document

Motor Speech Disorders


talks about systems involved with motor speech disorders and how to classify the disorders

Lecture number:
Lecture Note
Indiana University, Bloomington
Sphs-S 110 - Surv of Communication Disorder
Unformatted text preview:

SPHS S 110 1nd Edition Lecture 19 Outline of Last Lecture I Voice II Components of Voice a Pitch b Loudness c Quality III Three Subsystems of voice production a Respiration b Phonation c Resonance IV Histological Layers V Length of Vocal Folds VI What is a voice disorder VII Prevalence of voice disorders VIII Types of Voice disorders a Abnormality of tissue b Abnormality of neural innervation c Abnormality of use IX Vocal Nodules 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 Outline of Current 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 Current Lecture I II III IV V What is speech Oral expression Produced through a series of a complex coordinated movements of respiratory phonatory resonatory and articulatory systems These systems work together to produce decodable sounds Respiratory system Muscles of chest abs and organs lungs Regulates inhalation exhalation cycle for passive breathing Serves as power source for producing speech Phonatory system Regulates production of voice and prosodic or intonational aspects of speech Resonatory system Related to vibration of air flow from pharynx into the oral or nasal cavities Articulatory system VI VII VIII IX X XI XII Regulates control of articulators within the oral cavities to manipulate the outgoing airflow in different ways usually at high speeds Articulation Air passed through adducted vocal folds and causes them to vibrate Voiced sound is shaped by articulators of vocal tract Shape of vocal tract caused by articulator movement will yield a speech sound Speech sound production Requires lots of muscles to coordinate activity in specific ways to shape vocal tract to create sounds In speech this articulation occurs very quickly Important structures in speech Teeth alveolar ridge Lips Tongue body root dorsum blade tip Velum Speech Motor Control Coordinates muscle activity across a wide range of muscle groups to generate fluent speech Occurs through neural signals from brain Learned through experience with speech sounds in language What is motor speech disorder Speech disorders associated with damage to control of muscles of speech production Impacts intelligibility Impacts speech quality Impacts communication and engagement How are motor speech disorders classified May be acquired or developmental Acquired result from damage to nervous system Developmental result from abnormal developmental of nervous system or from damage to nervous system in early development Motor speech disorders affect Motor planning and programming disorders Caused by inability to group and sequence relevant muscles in order to plan or program a movement praxia of speech Motor execution disorders caused by deficits or inefficiencies in basic physiological or movement characteristics dysarthria Dysarthria Group of neuromuscular disorders that affect speed range direction strength and timing of motor planning Respiration phonation resonance and articulation may all be affected Common to co occur with other disorders Not a language disorder Speech patter depends on location and extent of neural damage and etiology

View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...

Join to view Motor Speech Disorders and access 3M+ class-specific study document.

We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Motor Speech Disorders and access 3M+ class-specific study document.


By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?