Description
By the age of 3 years, most typically developing children can produce the /k/ speech sound (McLeod, S., & Crowe, K. (2018). However, some children – including many children with speech sound disorders – have difficulty producing it. The phonological process (or error pattern) of “fronting” /k/ – where kids produce the back sound /k/ as a front sound /t/ (e.g. “tar” for “car”, or “tea” for “key”) – is usually eliminated by 3 1/2 to 4 years of age. But some kids keep doing it after 4 years, which can make them harder to understand and sound less mature than their peers.
Most speech pathologists have a range of tricks to stimulate /k/. I usually start with a big dose of auditory bombardment and auditory discrimination to ensure that the child can hear the difference between the /k/ and /t/ speech sounds. Then I try to stimulate the sound in isolation using a range of different cues, including “coughing”, “gargling” or “breathing out like Darth Vader” to get an approximation of the sound. I then move onto /k/ at the end of simple words, like “ark”, before moving onto more complicated words ending in /k/, like “duck”, “black”, and “brick”.
With a bit of help, many children quickly learn to discriminate the sounds, produce the /k/ sound on its own, and say words that end in /k/. But some children continue to have lots of trouble saying words that start with /k/. That’s where the “h-insertion” or “aspiration trick” can come in handy.
Credit where credit is due
Like many speech pathologists, I discovered the aspiration trick by reading Dr Caroline Bowen’s amazing website. Dr Bowen, a leading international speech pathologist, herself credits the trick to a pioneer in speech pathology, Mrs Drummond back in the 1960s. (You can read more about Dr Bowen’s work here.)
The aspiration trick. How do you do it with /k/?
In simple terms, you help children to say words starting with /k/ by teaching them to insert an unvoiced (whispered) /h/ sound between the /k/ sound and the end of the word. So, for example, you can help a child to say “cat” by having them say /k/, then “hat”. /k/+hat = cat! Or you help a child to say “cold” by having them say /k/+”hold” = cold. The key thing when you start is to make the /h/ sound like you are breathing out a bit noisily – which is why Dr Bowen called it the “aspiration trick”.
In this 16-page no-prep aspiration trick pack, we script out the technique to teach and shape /k/ in word initial position as a simple narrative to keep kids engaged. We target just six key words – a sufficient number of targets to stimulate generalisation to untreated words. We then include a home practice checklist/schedule to encourage further repetition between therapy sessions.
We’ve had good results in our busy clinic with this simple resource; and hope you do too!
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