Linguistics matters in the treatment of speech and language impairment by focusing on what is happening in the mind of the child. This, in my experience, gets the fastest results.
Linguistics for your child
Keeping a diary of your child learning to talk
What is the best way of looking at them?
Taking cues from children
Insights from linguistics
A lost insight from antiquity
The airstream and other details
From features to phonemes
Sounds, syllables, words
My linguistics clinic
Sometimes known as ‘lisping’
The co-occurrence of dyslexia, metalinguistic defects, and speech and language disorders
Some things that go wrong
Literacy problems connected with speech and language
Root and branch reform or adaptation?
Evolution of speech and language
The evidence of evolution