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Verbal transformation patterns in children with articulation defects

J R Edmonson, J M Hutchinson, M A Nerbonne

The Journal of Auditory Research

|April 1, 1981

Summary

Children with speech articulation problems show poorer performance in verbal transformation tasks. This suggests a less developed perception-production link in children with misarticulation.

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Area of Science:

Speech-Language Pathology
Developmental Psychology
Auditory Perception

Background:

The motor theory of speech perception posits a link between speech production and perception.
Children with articulation problems may exhibit difficulties in auditory processing, particularly with altered speech stimuli.
Verbal transformation tasks assess the dynamic nature of speech perception and its relationship to production.

Purpose of the Study:

To investigate the verbal transformation abilities of children with /s/ misarticulation.
To examine the relationship between articulation errors and speech perception using a verbal transformation task.
To test the motor theory of speech perception in a pediatric population with speech sound disorders.

Main Methods:

Compared 12 children with /s/ misarticulation to 12 age-matched children with typical speech.
Utilized a verbal transformation task with repeated presentations of the nonsense word /sus/.
Included a speech discrimination task with time-compressed stimuli to differentiate groups based on auditory processing abilities.

Main Results:

Children with articulation problems exhibited fewer speech sound transformations during the task.
Distinct response profiles were observed between the misarticulation group and the typically developing group.
The findings suggest potential differences in the perception-production linkage related to articulatory accuracy.

Conclusions:

The results support the notion of a less mature perception-production linkage in children with articulatory difficulties.
Difficulties in speech perception, especially with altered stimuli, may be associated with articulation errors.
Further research is warranted to elucidate the complex interplay between speech production and perception in developmental speech disorders.

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