Speech Sound Disorders
Articulation Disorders
Difficulty with the pronunciation of various speech sounds. Children may produce substitutions or distortions of certain speech sounds.
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Phonological Disorders
Use of phonological processes or patterns of errors to simplify the production of words.
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Motor Speech Disorders
Difficulty sequencing and coordinating the sounds in speech. Please click here for more information on Childhood Apraxia of Speech: https://www.apraxia-kids.org/
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Speech Sound Development
2-3 YEARS
p, b, m, d, n, h, t, k, g, w, ng, f, y
5 YEARS
r, zh,
th (voiced)
4 YEARS
l, j, ch, s, v, sh, z
6 YEARS
th (voiceless)
Speech sounds have different ages of acquisition.
If the child continues to make mistakes past the age range of acquisition, it could indicate a speech sound disorder.
**Development information based on Crowe and Mcleod’s Children’s English Consonant Acquisition in the US: A Review as found in the American Journal of Speech-Language Pathology.
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