Characteristics of Frontal Lispers Clustered According to Severity The purpose of this investigation was to determine the relationships among frontal lisping, protrusive lingual force, and lingual diadochokinetic rates when subjects are grouped according to severity of lisping. Results revealed that when compared to normal speaking counterparts: (1) lispers in each severity subgroup exhibited significantly weaker protrusive lingual forces ... Reports
Reports  |   February 01, 1980
Characteristics of Frontal Lispers Clustered According to Severity
 
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Article Information
Reports   |   February 01, 1980
Characteristics of Frontal Lispers Clustered According to Severity
Journal of Speech and Hearing Disorders, February 1980, Vol. 45, 37-44. doi:10.1044/jshd.4501.37
History: Received November 20, 1978 , Accepted September 4, 1979
 
Journal of Speech and Hearing Disorders, February 1980, Vol. 45, 37-44. doi:10.1044/jshd.4501.37
History: Received November 20, 1978; Accepted September 4, 1979

The purpose of this investigation was to determine the relationships among frontal lisping, protrusive lingual force, and lingual diadochokinetic rates when subjects are grouped according to severity of lisping. Results revealed that when compared to normal speaking counterparts: (1) lispers in each severity subgroup exhibited significantly weaker protrusive lingual forces and that the significance of such differences increased with the severity of lisping; and (2) all but the moderately severe lispers displayed significantly slower lingual diadochokinetic rates. These findings suggest that clustering lispers into homogeneous severity subgroups before examining the relationships between their misarticulations and the lingual factors studied may offer important information regarding the diagnosis, treatment, and prognosis of their articulatory problems.

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