Empty Set and Phonology approaches

ByLondon Speech and Feeding

I have been avoiding the use of the Empty Set approach for the longest time as I was not sure if it would work seeing that I am challenging two sounds my student struggles with at the same time. But I decided to give it a go and it works a treat!

With this approach, we use two sounds that our student is struggling with. For example, in my video this student cannot produce /sh/ and /r/. Both sounds have different rules, so I decided to contrast them with each other.

  • The rules of /sh/ are: no voice, air is pushed out through teeth, produced at the front.
  • The rules for /r/ are: use your voice, produce the sound in the middle of the mouth by shaping your tongue in a particular way.

So I chose the words ‘shoes’ and ‘ruse’ as their rules are quite different. Contrasting two sounds the student does not know has been shown to lead to greater change in the child’s articulation. And I can certainly vouch for this as my student is making the best progress with this approach.

Phonology Therapy – what is it, why and how?

Phonology is the study of the sound system of a language. It’s distinct from articulation therapy which focuses on the physical production of sounds.

Phonology therapy focuses on rules. For example, sounds that are produced at the front of the mouth, in contrast to sounds that are produced at the back of the mouth, or sounds that are produced with a long air stream: /s/ or /f/ versus short sounds like /p/ or /t/; sounds are produced with voice or without voice.

Many children, and sometimes adults, are unaware of some of the speech rules and confuse and replace individual sounds. They might say TAT instead of CAT or SIP instead of SHIP.

A quick overview of phonology approaches I use:

Minimal Pairs:

This approach is good for single sound substitutions. We offer word pairs that differ by only one sound, like ‘ship’ and ‘sip.’ One of our first goal in therapy is to highlight the difference between the target sound (e.g., /sh/) and the sound the child uses (e.g., /s/). This helps discriminate and eventually produce the correct sound.

Multiple Oppositions:

A child might replace lots of sounds with a single sound like a /d/. So instead of ‘four’, ‘chore’ and ‘store’ our child says ‘door’, making speech very unintelligible.

The approach is typically geared towards shaking up the phonological system. Our goal is to choose two to four targets that are different from each other, and different from the substituted sound. If our child’s favourite sound is /d/ they can use their voice and make a short sound by stopping their airflow. So I will choose a different target sound to change up the speech system. For example I might choose an /f/, a /m/ and a /k/ sound. So I would contrast: ‘door’ with ‘four’, ‘more’ and ‘core’.

Maximal Oppositions:

In the Maximal Oppositions approach the treatment sets consists of words that are minimally contrasted and that have maximal or near maximal feature differences between each word pair. One word in a pair represents a sound the child ‘knows’ (can say at word level) and the other represents a sound the child does not know (cannot say).

For example, a child may ‘know’ /m/ and be able to say words like ‘man’, ‘mat’ and ‘mine’. However, the same child may be unable to say /f/ as in ‘fan’, ‘fat’ and ‘fine’. The consonants /f/ and /m/ are maximally opposed as follows.

I am always delighted to work on speech sound disorders, I love the challenge and the successes we can celebrate together. Get in touch with me!

Sonja McGeachie

Early Intervention Speech and Language Therapist

Feeding and Dysphagia (Swallowing) Specialist The London Speech and Feeding Practice

The London Speech and Feeding Practice

Find a speech and language therapist for your child in London. Are you concerned about your child’s speech, feeding or communication skills and don’t know where to turn? Please contact me and we can discuss how I can help you or visit my services page.

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    The great air debate

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    • Clicking noises during feeding: Loss of suction, indicating air entry.
    • Frequent detaching and re-latching: Often to ‘catch a breath’ or because of discomfort.

    Each of these patterns can lead to increased air intake.

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    Why ‘Prosody’ Matters in Childhood Apraxia of Speech (CAS)

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    Prosody refers to the ‘music’ of speech — the rhythm, pitch, stress, and volume that convey meaning and emotion beyond the literal words themselves. Think about a monotone statement like ‘Really?’ compared to one with a rising inflection, expressing genuine curiosity.

    When I work with children on producing speech sound sequences, we focus on mastering individual sounds and then putting them together into target words. A crucial element that can significantly impact a child’s speech production is ‘prosody’.

    In CAS, where the difficulty lies in planning and executing the motor movements for speech, prosody can be a powerful tool for producing clearer words and phrases.

    Here’s why working on prosody is an essential tool in CAS speech therapy:

    1.  It aids Motor Learning:

    Apraxia of Speech means that the planning and execution of speech movements are impaired. When we use exaggerated intonation or stress patterns while modelling words, we are providing additional prosodic variation and, therefore, additional auditory cues. These cues often help my student to carry out the correct motor movements for a word or syllable sequence.

    For instance, I might say ‘ball’ with a high-pitched emphasis on the ‘b’ sound. This auditory cue might be more effective in guiding the child’s tongue placement than simply repeating the word without variation.

    In this little video clip I get my student to say the word ‘snuggle’ (since we were working on that particular sound sequence: snuggle, snout, snore and sneeze) with a high voice and then a lower voice ‘like a bear’ — again it provides that extra auditory cue, but, in addition, the fun aspect also helps to take away the intense focus on a tricky movement pattern.

    By now the new pathways have been laid through repeated practice and now automaticity takes over and without too much effort my student can suddenly produce a motor pattern. It’s magical when it happens and gives me such a thrill.

    2. It makes speech more engaging and natural sounding:

    Children with CAS often sound robotic or flat due to challenges with prosodic elements. By incorporating variations in pitch, volume, and rhythm during therapy, we can help achieve a more natural flow of speech

    3. It makes it easier to express our emotions:

    Children with CAS often struggle to express themselves emotionally; partly through the difficulty of producing clear words — period, but also in addition due to the difficulties or absence of musicality and rhythm in their speech.

    Therefore, it is so important to incorporate activities focused on practising different emotions with varied intonation patterns. This can really empower our students to put emotions into their words.

    Good words to practise are fun words like ‘Wow!’ or ‘Yeiih’ or power words and phrases like ‘No!’ or ‘Gimme that’ etc.

    Making Therapy Fun and Engaging:

    Speech therapy for CAS doesn’t have to be all drills and exercises (though to be fair sometimes we can’t quite get round to making each and every word huge fun though we try…).

    I aim to make all my sessions fun and have intrinsic rewards built into the speech practice where possible.

    Home practice tips:

    Therapy shouldn’t exist in a bubble. Working on prosody during sessions is crucial, but it’s equally important to integrate these skills into everyday interactions. Parents and caregivers can model appropriate prosody during playtime, story time, or even simple conversations. This consistent reinforcement helps our children to generalise their newfound skills and use them naturally in their daily lives.

    • Sing songs and rhymes: Songs naturally incorporate variations in pitch and rhythm. Singing familiar songs and creating silly rhymes can be a delightful way to practise prosody.
    • Use puppets and toys: Assign different voices and personalities to puppets or toys. This encourages children to experiment with pitch and volume to differentiate characters.
    • Read aloud with enthusiasm: Model expressive reading, varying your voice for different characters and emphasising key words. This makes reading time engaging and helps children understand the power of prosody.

    Please feel free to contact me if your child has speech sound difficulties. It is my passion. I love supporting children with apraxia.

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    The London Speech and Feeding Practice

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    Strategies to support children with eating difficulties

    ByLondon Speech and Feeding

    where the cause is NOT a swallowing problem, but we are having a “fussy eater” in the family, seeming for no obvious reason

    When parents have a child who find mealtimes or eating difficult, it can put pressure on the whole family dynamics. Once we have observed a child’s eating and drinking skills and found that they are not swallowing impaired, but are for want of a better word “fussy” or “picky”, we can then start to look at what might be underpinning the food aversions/picky eating/food avoidance. Two of the main questions parents have (of course) are:

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    • ‘how can I have less anxiety-provoking and stressful mealtimes?’

    We all tend to have an image in our minds about the ‘perfect mealtime’, and how mealtimes ‘should’ be. Speech and Language Therapists with a Feeding Specialism are the perfect professionals to help you unpick feeding issues. We are trained to look at swallowing and oral skills and we also know a lot about feeding behaviours and sensory difficulties which could be causing your child’s eating avoidance.

    Here are some strategies that can support children with their eating:

    1. Create and maintain a mealtime culture that suits your home and lifestyle. Then stick to that. We all need some routine in our lives to thrive. Mealtimes are no different. It might be that you eat in the same place for every meal, with the same knives and forks, concentrating on maintaining good posture. Children learn by repetition so the more familiar it is, the easier they will find it. In the physical sense, our bodies also need preparing for food, regardless of whether we are eating with our mouths or we are tube-fed. We want every child to connect all the dots of the process. It starts with their eyes, noses, expectations, memories of past experiences, feelings and then finally their mouths….
    2. Be an excellent role model. Children learn through watching others, so your child will be observing you without you knowing. Ensure that you are positive about the food you are all eating, and talk about how delicious, tasty, juicy, and yummy the foods are. Make the atmosphere around the dinner table light hearted. Even though you are secretly stressed about your child not eating, try and not show this. Instead pick a topic or put on some nice music, or talk about something your child might be interested in, and try and avoid coercing your child to eat. Leave small finger foods on their plates and have a range of foods available on the table so that your child can see that everyone is eating a range of foods and enjoying them.
    3. Use positive reinforcement. Try and think of mealtimes as fun and motivating. Children who are happy will likely be more inclined to try foods and take part in family mealtimes. Reward all interactions around food, so if your child merely touches a new food then praise this behaviour. Or if your child licks a food just once, again make a nice comment and praise your child for touching and licking the food. The takeaway here is to try and keep all messages positive around food.
    4. Keep offering all types of food. What often happens is that parents stop serving foods they know will not be eaten. This makes sense in a way; we don’t want wastage! However, try and keep the doors open and re-offer all types of foods, even the ones that your child has not wanted in the past. Try and give your child one food they will like and one food they have tasted before and liked before, even a little, and then one new food to try. So, your child always has something to fall back on and they can join in with eating. But they can also try (or at least look at and think about trying) other foods that you and perhaps the siblings are eating.

    Take a look at this website, I find it very helpful in showing parents what types of foods and how big a portion to offer

    Have a go and try and implement some of the ideas above, and should you get stuck please get in touch!

    Find a speech and language therapist for your child in London. Are you concerned about your child’s speech, feeding or communication skills and don’t know where to turn? Please contact me and we can discuss how I can help you or visit my services page.

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    Support your autistic child’s communication by learning the stages of Gestalt Language Processing

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    Step by Step guide to Gestalt Learning

    Let’s explore the following stages of Gestalt Processing:

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    (e.g., “let’s get out of here”)

    Children and young people in this stage use echolalia. They need to hear more gestalts or scripts. So, your job is to model, model, model and to use functional language that your child can repeat back.

    Stage 2: mitigated into chunks and re-combining these chunks

    (e.g., “let’s get” + “some more”) and (e.g., “let’s get” + “out of here”)

    This is when you take parts of gestalts or phrases and then combine it with other parts.

    Stage 3: further mitigation (single words recombining words, formulating two-word phrases)

    (e.g., “get…more”)

    They are going beyond their gestalts. Furthermore, they may begin to label different objects.

    Stage 4: formulating first sentences

    (e.g., “let’s get more toys”)

    You may see more grammatical errors during this phase as they are creating unique sentences. Please don’t worry about this, it means they are playing and experimenting with language. As communication partners, you could model the correct form of the sentence.

    Stages 5 & 6: formulating more complex sentences

    (e.g., “how long do you want to play inside for?”)

    You can see that language learning is a process, that is trialled and tested, used in different contexts for children to be able to learn and use language appropriately.

    My next blog will give you activities ideas and how you might use them specifically with a Gestalt Language Processor.

    Remember early intervention is vital. So, if you have any concerns, please seek the advice of a Speech and Language Therapist.

    Contact me, Specialist Speech and Language Therapist Sonja here.

    Find a speech and language therapist for your child in London. Are you concerned about your child’s speech, feeding or communication skills and don’t know where to turn? Please contact me and we can discuss how I can help you or visit my services page.