Encyclopedia of Autism Spectrum Disorders

Living Edition
| Editors: Fred R. Volkmar

Phonological Disorders

Living reference work entry
DOI: https://doi.org/10.1007/978-1-4614-6435-8_1689-3


Short Description or Definition

A phonological disorder is an inability to articulate speech sounds accurately. The disorder may have a motoric (phonetic) component as well as a linguistic or cognitive (phonemic) basis. Therefore, phonological disorders may affect both the intelligibility of a child’s speech and his or her internalized knowledge of the language’s sound system. The errors committed are usually rule governed, i.e., they show a pattern across all words spoken.


The Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM-5, American Psychiatric Association 2013), specifies four criteria that must be present in order for Speech Sound Disorder (which includes Phonological Disorder) to be diagnosed. First, an individual must exhibit persistent unintelligible speech consisting of phoneme addition, omission, distortion, or substitution, which interferes with verbal communication. Second, the deficits...

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Copyright information

© Springer Science+Business Media LLC 2017

Authors and Affiliations

  1. 1.Speech Pathology and AudiologyMarquette UniversityMilwaukeeUSA