Conquering the ‘slushy’ /S/: Your guide to treating lateral lisps
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Conquering the ‘slushy’ /S/: Your guide to treating lateral lisps

ByLondon Speech and Feeding
Conquering the ‘slushy’ /S/: Your guide to treating lateral lisps

As a speech therapist, few things are as rewarding as helping a child find their clear, confident voice. Among the various speech sound disorders, the ‘lateral lisp’ – often described as a ‘slushy’ or ‘wet’ /S/ sound – presents a unique challenge. While it can be tricky to treat, I’m thrilled to share that I’ve had significant success in helping children overcome this particular hurdle.

What is a lateral lisp?

Most people are familiar with a frontal lisp, where the tongue protrudes between the front teeth, resulting in a /TH/ sound for an /S/ (e.g., ‘thun’ for ‘sun’). A lateral lisp, however, is different. Instead of the air escaping over the front of the tongue, it escapes over the sides, often giving the /S/ and /Z/ sounds a distinct, muffled, or ‘slushy’ quality. This happens because the tongue is not forming the correct central groove, allowing air to spill out laterally.

The science behind a perfect /S/ vs. a slushy one

To understand how to fix a lateral lisp, it’s helpful to understand how a ‘perfect’ /S/ sound is made. Imagine a narrow, focused stream of air. For a clear /S/ sound, your tongue forms a shallow groove down its centre, directing a precise, thin stream of air right down the middle, over the tip of your tongue, and out through a tiny opening between your tongue and the roof of your mouth, just behind your front teeth. This focused airflow creates that crisp, sharp /SSSS/ sound we recognise.

Now, picture what happens with a lateral lisp. Instead of that neat, central channel, the tongue is often flatter or positioned in a way that allows the air to escape over one or both sides. Think of it like a river overflowing its banks – the air, instead of flowing in a controlled stream, spills out sideways, creating that characteristic ‘slushy’ sound. This lateral airflow is what we need to retrain.

Why is it tricky to treat?

Treating a lateral lisp can be challenging for a few reasons:

  • Habitual muscle memory: The way the tongue moves and positions itself for a lateral lisp is deeply ingrained. It’s a motor habit that needs to be unlearned and replaced with a new, more precise movement.
  • Subtle differences: The difference between a lateral lisp and a correct /S/ sound can be quite subtle to perceive, both for the child and sometimes even for parents. This makes it harder for the child to self-monitor and correct.
  • Oral motor control: It requires fine motor control of the tongue muscles to create and maintain that central groove for airflow.

My success with children aged six years and over

I’ve found great success in treating lateral lisps, particularly with children aged six years and older. Why this age group? By this age, children typically have:

  • Increased awareness: They are more aware of their speech and often more motivated to make changes. They can better perceive the difference between their ‘slushy’ /S/ and a clear one.
  • Improved cognitive skills: They can understand and follow more complex instructions and strategies.
  • Better self-monitoring: Their ability to listen to themselves and correct their own speech improves significantly.
  • Enhanced oral motor control: Their fine motor skills, including those of the tongue, are more developed, allowing for greater precision.

My approach focuses on a combination of auditory discrimination, tactile cues, and targeted myofunctional exercises to help children ‘feel’ the correct airflow and tongue placement. We use a variety of engaging activities to make the process fun and effective.

It is crucial to understand tongue functioning and focusing on correcting improper oral resting posture and muscle function, which are often significant contributors to a lateral lisp. For example, if the tongue rests low and wide in the mouth consistently, or if there’s a tongue thrust during swallowing, these habits can prevent the tongue from achieving the precise, midline placement necessary for a clear /S/ or /Z/ sound. Through targeted exercises I aim to re-educate the oral and facial muscles, promoting correct tongue posture at rest, during swallowing, and, ultimately, during speech production. By strengthening the muscles responsible for tongue lifting and encouraging a more appropriate swallowing pattern we can establish the correct oral motor skills needed to overcome a lateral lisp and achieve clearer articulation.

The recipe for success: Little and often

The single most crucial ingredient for success in treating a lateral lisp is daily home practice of all the strategies given. This isn’t about long, arduous sessions; it’s about consistency. Think of it like building a muscle: short, frequent workouts yield better results than sporadic, intense ones.

My recommended formula is ‘little and often’. This means:

  • Short, focused sessions: Aim for 5-10 minutes of practice, 2-3 times a day. This prevents fatigue and keeps the child engaged.
  • Integrate into daily routines: Practise while waiting for dinner, during a car ride, or before bedtime. Make it a natural part of their day.
  • Positive reinforcement: Celebrate every small success! Encouragement goes a long way in building confidence and motivation.
  • Parental involvement: Parents play a vital role in providing consistent cues and encouragement at home. I equip families with clear, easy-to-follow strategies.

Overcoming a lateral lisp requires dedication, but with the right guidance and consistent practice, a clear, confident /S/ sound is achievable. If your child is struggling with a ‘slushy’ /S/, please don’t hesitate to reach out. Together, we can achieve success!

Sonja McGeachie

Highly Specialist Speech and Language Therapist

Owner of The London Speech and Feeding Practice.

Health Professions Council registered
Royal College of Speech & Language Therapists Member
Member of ASLTIP

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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From ‘Nailed it!’ in therapy to ‘Whoops!’ at home: Why generalising speech sounds is tricky
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From ‘Nailed it!’ in therapy to ‘Whoops!’ at home: Why generalising speech sounds is tricky

ByLondon Speech and Feeding

As a parent, you’ve likely experienced the triumphant feeling when your child, who’s been working so hard on his or her /S/ sound, produces it perfectly in a therapy session. He or she is rocking those ‘sun’ and ‘socks’ words, his or her lisp seemingly a distant memory. You leave feeling elated, confident that all that hard work is finally paying off.

Then you get home. And within minutes, you hear it: ‘Thooper!’ instead of ‘Super!’ Or maybe the clear /R/ in ‘rabbit’ from therapy reverts to a ‘wabbit’ when his or she is playing with his or her toys. It’s frustrating, confusing, and can feel like you’re back to square one.

So, what’s going on? Why is it so difficult for children to take those amazing skills learned in a focused therapy session and seamlessly apply them to their everyday conversations? You’re not alone in wondering this. It’s a common challenge in speech therapy and understanding the ‘why’ can help both parents and children navigate this crucial stage.

The brain’s habits: Old pathways are strong pathways

Think of your child’s brain as having established ‘pathways’ for how he or she produces certain sounds. If he or she has been lisping his or her /S/ sound for years, that neural pathway is deeply ingrained. It’s like a well-worn path through a field: easy to follow because it’s always been there.

In therapy, we’re essentially trying to forge a new path. We’re teaching him or her a new, more accurate way to make the sound. This new path is initially faint, like a barely visible trail. It takes conscious effort and repeated practice to strengthen it. Outside of the structured therapy environment, his or her brain often defaults to the old, comfortable, and well-established pathway, even if it’s not the most accurate.

The demands of daily conversation: A multitasking challenge

Therapy sessions are designed to be focused and controlled. We isolate sounds, practice them in specific words, and provide immediate feedback. There are minimal distractions, and your child’s full attention is on his or her speech production.

Now, consider daily conversation:

  • Speed: We speak much faster in natural conversation than we do during structured practice. There is less time to think about individual sounds.
  • Cognitive load: Children are simultaneously thinking about what they want to say, understanding what others are saying, processing social cues, and managing their emotions. Adding the conscious effort of producing a new speech sound correctly on top of all that is a huge cognitive demand.
  • Variety of contexts: In therapy, we might practise ‘sun’ and ‘socks’. In real life, the /S/ sound appears in countless words, in different positions within words, and alongside a vast array of other sounds. Each new word and phonetic context present a fresh challenge.
  • Lack of immediate feedback: In therapy, the speech therapist is right there to provide instant correction and reinforcement. In a playground, during a family dinner, or while playing with friends, that immediate, consistent feedback isn’t present.

The role of automaticity: Making it second nature

The ultimate goal of speech therapy isn’t just correct sound production; it’s automaticity. This means producing the sound correctly without having to consciously think about it. It’s like learning to ride a bike. Initially, every pedal stroke and steering adjustment is deliberate. Eventually, it becomes second nature.

Generalisation is the process of moving from conscious, controlled production to unconscious, automatic production. This takes time, consistent practice, and exposure to a wide variety of real-life speaking situations.

How can we help? Bridging the gap

So, what can parents do to help their children bridge this gap between therapy success and everyday speech?

  1. Be patient and positive: This is a marathon, not a sprint. Celebrate the small victories and avoid getting discouraged by setbacks. Your positive reinforcement is crucial.
  2. Practise little and often: Instead of long, infrequent practice sessions, aim for short, consistent bursts throughout the day. ‘Sprinkle’ in opportunities to practise their target sounds in natural conversations.
  3. Create ‘sound awareness’ moments: Gently draw your child’s attention to his or her target sounds in everyday words. For example, if he or she is working on /R/, you might say, ‘Oh, you said ‘wabbit.’ Can you try to make your /RRR/ sound for ‘rabbit’?’
  4. Model correct production: Continue to model the correct production of their target sounds in your own speech.
  5. Collaborate with your speech therapist: Your therapist is your best resource! Ask them for specific strategies and activities you can do at home to support generalisation. They can also provide guidance on when and how to gently correct your child.

Tips and tricks

Below I have listed a few good tips and tricks that can help the transition from therapy room to daily life:

Empowering your child as the ‘sound detective’:

  • ‘Secret sound listener’: Instead of you doing the correcting, make your child the detective. When you’re having a conversation, say ‘your /S/ sounds are sometimes a bit “slippery”’ (or whatever fun, non-judgmental term you like). Ask your child to quietly listen for your /S/ sounds. You can even purposely make a few ‘slippery’ ones (or correct yourself immediately after) and see if they notice. This shifts the focus from being corrected to actively listening and identifying the sound in a non-threatening way.
  • ‘Sound scorecard’: For a short period (maybe 10–15 minutes during a specific activity, like dinner or a game), provide a small notepad and pencil. Explain that your child is going to listen for his or her /S/ sounds and gently mark a tally every time he or she uses it correctly. The goal isn’t perfection, but awareness. This gives your child agency and a visual representation of progress. You can even make it a game: ‘Let’s see how many /S/ sounds we can catch in five minutes!’
  • /S/ sound song/rhyme creation: Work together to create silly songs or rhymes that are packed with /S/ sounds. The sillier, the better! You can sing them in the car, while doing chores, etc.
  • /S/ sound superpower: Frame the new sound skill as a ‘superpower’. ‘You’re getting so good at using your /S/ superpower! It’s going to help you speak so clearly and confidently.’
  • Highlighting successes: Always go out of your way to acknowledge and praise successful /S/ productions in natural conversation. ‘I really understood you clearly when you said ”s_top”.’ or ‘That /S/ sound was perfect when you told me about the “s_tory”!’

Important considerations:

  • Keep it low-pressure: The goal is generalisation, not perfection. If your child is feeling pressured, he or she will likely revert to old patterns.
  • Focus on awareness, not just correction: Help your child become aware of his or her own speech rather than relying on you for corrections.
  • Short, frequent bursts: A few minutes of subtle focus multiple times a day is more effective than one long, forced session.
  • Acknowledge feelings: If your child expresses frustration about ‘being corrected’, validate these feelings. ‘I understand it can feel like a lot of listening, but we’re just trying to help you use that super /S/ sound all the time!’

By incorporating these strategies, you can help your child naturally integrate the new /S/ sound into daily speech, fostering independence and confidence without it feeling like constant ‘testing’ or ‘correction’. Generalising new speech sounds is arguably the hardest part of speech therapy, but it’s also the most rewarding. With patience, consistent effort, and a collaborative approach between parents and therapists, children can successfully integrate their new, clearer speech sounds into every aspect of their daily lives.

Any comments or if you need help and support with your child’s speech please do not hesitate to get in touch with me: simply fill out the contact form here on the website. I endeavour to reply within 48 hours.

Sonja McGeachie

Highly Specialist Speech and Language Therapist

Owner of The London Speech and Feeding Practice.

Health Professions Council registered
Royal College of Speech & Language Therapists Member
Member of ASLTIP

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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Tongue training: Why tongue placement matters for clear speech
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Tongue training: Why tongue placement matters for clear speech

ByLondon Speech and Feeding

As speech and Language therapists (SLTs), we know that where your tongue goes, so goes your sound. This blog post will explore why tongue placement is so vital for speech correction and how we use tools and techniques to help our clients find their ‘sweet spot’ for sound production.

Let me show you here a little video clip where I am using my dentist’s mouth/teeth model to help my clients navigate their tongue movements.

The tongue: A tiny muscle with a big job

The tongue is a small but mighty muscle. It’s incredibly versatile, playing a key role in eating, swallowing, and, of course, speaking. For each speech sound, the tongue, along with the lips and jaw, needs to move to a very specific spot. Think of it like a dance: every part of your mouth has a choreographed movement to produce the correct sound. If the tongue is out of sync, the sound comes out muffled, distorted, or just plain wrong.

The trouble with our tongue movements is that most of us never think about how the tongue has to move and what it does to: swallow, chew, drink, suck and speak. Most parents when asked to think about their own tongue placement for say the /S/ sound are completely lost as to what their tongue is doing. Yet, of course, they produce a perfect /S/ and perfect speech in general. The same goes for swallowing. When did you last think about what happens in your mouth when you swallow? I bet you have not thought about it. We ‘just do it’, right?

Why is tongue placement so important?

Accurate tongue placement is the foundation of clear articulation. When a child struggles with a particular sound, it’s often because his or her tongue isn’t quite reaching the right spot or moving in the correct way. For example, the /S/ sound requires the tongue to be slightly raised and positioned behind the top teeth, creating a narrow channel for air to flow through. If the tongue is too far forward, you might get a /TH/ sound instead. If it’s too far back, the /S/ can sound muffled.

Visual aids: Our secret weapon

We SLTs love our visual aids! They’re incredibly helpful for showing clients exactly where their tongue needs to be. Here are some of our favourite tools:

  • Mirrors: Mirrors provide instant feedback. Clients can see their tongue’s position and make adjustments in real-time. We often use hand mirrors or even the mirror on a compact for quick checks.
  • Tongue depressors: These simple tools can gently guide the tongue to the correct position. We might use them to show where the tongue tip should rest for the /L/ sound or how the sides of the tongue should touch the molars for the /K/ and /G/ sounds.
  • Diagrams and models: Pictures and models of the mouth can help clients visualise the tongue’s movements. We might use a cross-section diagram of the mouth to show how the tongue forms different sounds.

Beyond the tongue: The jaw’s role

While the tongue takes centre stage, the jaw plays a supporting role. It provides a stable base for the tongue and helps control the opening and closing of the mouth. Sometimes, jaw stability is an issue, and we might use techniques to help clients find a comfortable and stable jaw position.

Making it fun and engaging

Learning correct tongue placement can be challenging, but we make it fun! We use games, stories, and playful activities to keep clients motivated. For younger children, we might use silly voices or pretend to be animals. For older children, we might incorporate their interests, like using a car analogy for tongue movements.

The takeaway

Correct tongue placement is essential for clear speech. By using visual aids, interactive techniques, and a bit of creativity, we can help our clients master their speech sounds and communicate with confidence.

If you have any concerns about your child’s speech, don’t hesitate to reach out to a qualified speech and language therapist, we are here to help! Contact me via my contact form.

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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Speech prompts and strategies I use in Speech Sound Therapy
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Speech prompts and strategies I use in Speech Sound Therapy

ByLondon Speech and Feeding

This particular student has a mild motor planning difficulty and six weeks ago he came to me with a very strong lisp. In addition to the lisp he is struggling to produce a number of sounds, SH and L on its own and all the clusters (FL/BL/KL/PL) but also CH together with some vowel difficulties.

The prompts are a mix partially from the DTTC (Dynamic Temporal and Tactile Cueing) model by Dr Edythe Strand as well as phonological models I have learned over the years, and some of them are my own.

Visual/picture prompts and Images

Here I use the ‘Flat Tyre’ Sound, to offer as an image for a new S sound and the ‘Tick Tock’ Sound for a new image of the T sound. Both cards are from the Bjorem Speech Sound Deck, which I love and use almost daily.

Gestural Cues

I like to use all the ‘cued articulation’ hand cues by Jane Passy for consonants and fricatives. Here we use our fingers and hand to illustrate what our tongue does, and we also show whether a sound is voiced or voiceless. When I use one finger it is voiceless (k/f/s/p) and when I use two fingers for the same cue it means that the voice needs to be turned on: (g/v/z/b/n/m). For vowels I like to use Pam Marshalla’s cue system.

Simultaneous production

We say the word together.

Direct imitation

I say the word and my student copies me directly.

Imitation after a delay

I say the word and then after a little wait my student says the word.

Spontaneous production

My student has now learned to say the word by him/herself.

Offering feedback

It sounds like… I just heard… I didn’t hear the first sound there? Can you try again?

Letting the student reflect

By just shaking my head or by looking quizzical so that my student realises something didn’t quite go right.

Postitive reinforcement

‘Yes that was it, do it again, nice one…’

Cognitive reframing

This is a technique where we identify different semantic cues and metaphors or imagery cues, so instead of teaching or focusing on a sound we try out viewing each syllable from a different point of view.

For example: ‘yellow’. I have had great success with this one: we start with just saying ‘yeah yeah yeah’. I might make a little joke and say something like ‘imagine your mum says tidy your bedroom, what do you say or what do you think?’ Answer: ‘yeah yeah yeah’. Then we practice ‘low’ together, I might blow some bubbles high and low and we talk about ‘low’. And then we put ‘Yeah’ and ‘Low’ together and now we have YELLOW!! It might at first still sound a bit odd, like ‘yea-low’ but we soon shape that up and have the real word.

Each student is different and having a great rapport is crucial to our success.

Then a little game break after some 7–10 or so repetitions and always trying to finish on a positive note.

What game breaks do I use:

Very quick ones! Students can post something, place a counter in a game, take out a Jenga block from the tower, pop in a counter for ‘connect 4’, stick a sword into the Pop the Pirate barrel or add a couple of Lego blocks to something they are building.

I hope this is helpful, please contact me for any questions.

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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Living life with a lisp
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Living life with a lisp

ByLondon Speech and Feeding

You may be questioning ‘will my child grow out of having a lisp?’ There are so many myths out there that it’s sometimes difficult to find your way out of a complex maze of information.

The good news: lisps can be successfully treated by a Speech and Language Therapist and the earlier it’s resolved, the better. We know from the evidence base that some children’s lisps will resolve and, as always, it is completely age appropriate to have this speech pattern up until aged 4 ½.

As with any speech and language targets your child will need to be motivated to practise their newly acquired techniques, at home and in other settings. They will eventually be able to generalise this skill, but it takes lots of practice. So, think carefully about if your child is ready and motivated before commencing Speech and Language Therapy.

There are essentially two ways in which your child has acquired a lisp. It’s key here to mention that parents have no blame in this.

  1. They’ve mis-learned it and now incorrect production has become a habit
  2. Children have difficulties organising the sounds to make a clear production

You may be surprised to realise that there are different types of lisps. But all the techniques will be the same.

  1. Interdental lisp

When your child pushes their tongue too far forward, they will make a /th/ sound instead of /s/ and /z/

  1. Dental lisp

This is where your child’s tongue pushes against their teeth

  1. Lateral lisp

Air comes over the top of the tongue and down the sides

  1. Palatal lisp

Your palate is the roof of your child’s mouth. Sometimes they will touch their palate when making certain sounds (e.g., /s/ and /z/)

It’s useful for you to know what type of lisp your child has because you can then support them to make the correct production. You’ll be able to talk about where in the mouth their tongue is and where it needs to be to produce a clear sound. Your Speech and Language Therapist will be able to help you with this.

Top therapy tips for lisps

  1. Awareness is key. Does your child know where their tongue and teeth are (i.e., are they behind their teeth)? Do they notice the air escaping? Use a mirror so that your child can see not only themselves but also you in the mirror.
  2. Repetition! As with most therapeutic intervention, practice makes perfect. So little and often is key!
  3. Make sessions fun, perhaps around your child’s interests or allow them to drink from a straw
  4. Comment on how the sound is produced (e.g., /z/ is like a bee, /s/ is like a snake)
  5. Use tactile cues. Your child’s vocal folds vibrate when they produce a sound like /z/ but not with /s/. You could use the words ‘loud’ and ‘quiet’ to describe this.
  6. Start with a /t/ sound and gradually elongate the sound to an /s/

Having a lisp may not be problematic for some, but for other children, it can have a significant impact on their emotional wellbeing. Intervening at an early age can prevent this from happening. We always advocate for early intervention!

Contact Sonja for support on resolving your child’s lisp.

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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A child is on the right-hand side, touching their lips and holding a mirror. They're facing an adult on the left hand side, also holding their hand to their lisps.
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Succeed with lisps at London Speech and Feeding

ByLondon Speech and Feeding
A child is on the right-hand side, touching their lips and holding a mirror. They're facing an adult on the left hand side, also holding their hand to their lisps.
Mirror game

You may notice that your child or young person finds certain sounds difficult to produce. With a lisp, the sounds /s/ and /z/ are more problematic. You may notice that your child’s speech is affecting their confidence. They are quiet, and the teacher reports they don’t engage in classroom conversations. You feel it’s impacting on their social and emotional wellbeing. The good news is that with the support of a Speech and Language Therapist and the determination and motivation of your child, we can treat a lisp can.

You feel you have so many questions and you don’t know where to begin. Let’s start by answering some of the most frequently asked questions.

1. Is it normal for my child to have a lisp?

It’s important to remember that we can expect a lisp in a child up until four and a half years of age.

2. Can I do anything for my child’s lisp?

The best approach you can take is to provide a good model. You can show the correct sound and you can talk about where in the mouth your tongue or lips are. Your Speech and Language Therapist can recommend you on what you can say.

3. Should I wait to see if my child’s lisp resolves on its own?

As always, early intervention is advised as producing sounds as a lisp can be more ingrained the longer your child waits for therapy. It is true that some children’s lisps resolve on their own.

Therapy depends on many factors, one of which is deciding on whether your child is ready for therapy. It’s best to seek advice from a qualified Speech and Language Therapist about whether your child is ready for therapy. It takes motivation, determination, and practice.

4. What should I expect from a Speech and Language Therapist when they see my child?

Your Speech and Language Therapist will ask you as parents and carers about your child’s history. This is because they’ll want to confirm it is a lisp and no other areas of communication are affected. They may ask your child about the impact of their lisp on them (if your child is aware of their speech difficulty).

They will then assess your child using a speech assessment. Your Speech and Language Therapist will confirm their findings and will put a plan in place with you.

5. How will my child’s therapist fix my child’s lisp?

  • The start to fixing any sound is looking at discrimination between the sound your child is making vs the correct sound. Can your child hear the sound they should be making?
  • Your therapist may still get your child to discriminate two sounds. They will begin to work on the sound in isolation, so saying the child’s tricky sound by itself (e.g., /s/)
  • Then they will ask your child to say their tricky sound with a vowel, with a breath between the consonant and the vowel (e.g., s-oo, s-ow, s-ee, s-aa, s-ai)
  • Your child will then remove the gap between (e.g., soo, sow, see, saa, sai)
  • Your child will then be ready to move onto consonant-vowel-consonant words (e.g., sat, sit, seen, sown)
  • Your child’s therapist will tell that the next step is to produce sentences using your child’s tricky sound, /s/ in this example (e.g., Simon says silly sausages)
  • Your child is working towards generalising their ability but there are a few steps before this happens
  • Choose a context where your child can practise their talking, focusing on one sound (e.g., during 10 minutes of special time). This is an ideal environment as you can create opportunities for your child.
  • The next stage is saying the sounds correctly in general conversation
  • You’ll want your child to be less reliant on you for modelling the sound, so you’ll want to start to phase this out
  • It’s important for your child to self-correct and self-monitor. Encouraging this is the final stage to correcting your child’s lisp.

You and your child will need to be motivated, as it’s true: practice makes perfect!

For support on speech sound difficulties, feel free to contact me.

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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Correcting a lisp
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Correcting a lisp

ByLondon Speech and Feeding
Correcting A Lisp

This is a surprisingly common speech error and it can be corrected really well in my experience. I have helped lots of children of all ages learn how to control their tongue movements and produce clear, sharp /S/ sounds and good /SH/ sounds.

Initial consideration

There are some factors which need to be considered before we can dive into therapy proper and these are they, in a nutshell:

  1. The student is not currently displaying negative oral habits such as thumb sucking or excessive sucking on clothing. This is because thumb sucking exerts pressure on the teeth and therefore can, over time, push teeth out of their natural order/position.
  2. The student does not have a restricted lingual frenulum or tongue tie which can cause at times restricted movements of the tongue (pending on how tight the frenulum is attaching the tongue to the base of the oral cavity); equally a labial frenulum or lip-tie can restrict lip movement and therefore physically restrict good speech sound production.
  3. The student does not have enlarged tonsils as they can sometimes push a tongue forward and also cause open mouth posture and open mouth breathing.
  4. The student’s motivation to change their speech pattern is high. (this is an important factor though with younger students I can get round this with a lot of fun games and good parental involvement!)

When I do an Oral Assessment of my student these are the first factors I want to look at and consider. Often I will refer to other agencies such as Orthodontists, dentists or ENT specialists to advise and help with some of these factors before we can get going. However, there are strategies that we can work on almost straight away.

Most of my Lisp students present with an open mouth posture: that is where the student has their mouth always slightly open for breathing. Over time the tongue starts to fall forward and rests on the front teeth or the bottom lip instead of finding a comfortable resting place either at the alveolar ridge (the bumpy spot behind the upper front teeth) or, alternatively, resting at the bottom of the mouth behind the lower front teeth.

Another common problem is that the tongue is not moving independently from the jaw and so is reluctant to pull back or lift up inside the mouth as the tongue is guided in movement by the jaw.

Combine those two factors and your tongue is not pulling back, or lifting up or doing very much at all without the jaw moving as well. This makes for unclear speech sounds, especially all the sounds we make at the front with our tongue or with our lips: /B/ /P/ /L/ /N/ and of course /S/ and /SH/ are particularly hard to make. We often also struggle with the /Y/ sound so ‘LELLOW’ instead of ‘yellow’.

Do not fear!

But no fear, these problems can be treated over time for sure! We often start with lip, tongue, and jaw exercises that help to move the tongue independently from the Jaw, our student learns that the tongue is a muscle and can be trained to do amazing acrobatic things in the mouth! WOW! It can actually pull back, lift up, and come down again all on its own!

We work on breathing, holding our breath for a bit then pushing it out and then holding it again.

And when it comes to the actual /S/ sound I often try and go a NEW route bypassing the Snake-Sound route if that is what had previously been tried and failed so that we can create completely new sound patterns in our brain and think about our sounds in a completely new way.

We then work on producing the sound /S/ on its own for a bit, at the end of words, then on either side of complimentary sounds, for instance : ‘EASY” – the sound patterns here are EEE-S–EE : the /EEE/ sound is complimentary to the /S/ sound as the tongue is at the right hight for the /S/ already once you have it in place for /EEE/ -……see?! EASY!

And gradually we work towards saying the /S/ sound clearly at the front of short words, then phrases and then sentences.

The process takes some time and it depends on how ready the student is. This varies of course hugely so I can never promise the exact number of sessions we will take to get that Lisp fixed. A lot depends on home practice in between sessions, and this is of course crucial to all therapy! Every day 15-20 mins practice is a good average time to aim for and when this is done it shortens the therapy block drastically.

I always give plenty of home work so there is never a chance of it getting boring or there being “nothing to do”!

Do contact me. I really enjoy working with this type of student and get a great kick out of FIXING THAT LISP!

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.