Speech Limitations and the Hidden Barriers of Communication
- Roberto Castillo

- Aug 1
- 6 min read
Updated: Aug 1
I often wonder what is in Luis’ mind when he cannot tell me, and others in a similar position.That thought can arrive even during the smallest moments. When he turns away from food, when he cries and I do not know why, when he comes home from school and has a mark on his body or a change in mood. For many parents and carers who have the responsibility of someone with severe communication limitations, this is part of our daily lives.
Everyone wants to be heard, be understood and to be included even in the smallest of things. This can vary from choosing what to eat, joining in with family jokes, saying no, asking for help, explaining pain and sharing excitement. Communication should not be a luxury, but a simple ability for things like safety, dignity, choice, and belonging.
Those of us who can speak often do it without thinking. We ask questions, complain, explain, defend ourselves, tell stories, make silly comments, and ask for help. We can interrupt if something is wrong and we can correct someone who misunderstands us.
For someone who cannot speak, it creates barriers most people will never see or understand.

The unseen feelings of not being able to speak
Speech limitations do not mean a person has nothing to say, and understanding that distinction matters. A child as an example may have clear preferences, memories, fears, opinions, humour, and frustration sitting inside them, but no way to get those thoughts out. Parents and carers often see glimpses of their inner thoughts, how?
A certain look or smile at the right moment, a hand reaching for something specific or a sound that means more than other people realise.
For Luis, and for others like him, communication may depend on body language, facial expressions, routines, gestures, sounds, assistive tools, or the instincts of people who know him well. Some days these clues may be clear and other days they may feel impossible to read. That creates a constant question in the background: Do I truly understand or am I only guessing?

Guessing is tiring, it can also be scary because sometimes the answer matters quickly. Are they crying because of tirdeness, hunger, boredom, uncomfortable, frightened, in pain, or warning us that a seizure may be coming? Are they refusing food because they dislike it, feel unwell, dislike the texture, or simply wants something else?
That effort is not easy, but we all know the answer is there somewhere waiting for us to find it with some patience and detective work.
One of the hardest barriers is the reliance on others.
When the ones we care for attends school, clubs, respite care, uses transport, or does other activities, we cannot see what happens minute by minute. Most of us rely on updates, but when a child can speak, they may add their own version later. They might say who they played with, what upset them, who was kind, who was not, or why they came home with a bruise.
When someone cannot explain, the adults' in charge feedback becomes even more powerful, and that can feel uncomfortable. It places a huge amount of trust in teachers, support staff, club leaders, carers, and anyone else involved in the person’s day. Many of these people enjoy this work, are patient, skilled, and genuinely caring. When that trust exists it can bring a real peace of mind, however questions still remain:
Do they understand them as we do?
Would they notice if their behaviour changed and what caused it?
Would they know the difference between a meltdown, pain, tiredness, or a seizure?
Would they tell us everything, even if something went wrong?
I know of a parent who had to challenge an explanation given by staff after an incident. At first, the child was blamed, and the account was supported by the adults present. Later, one of them admitted it had not happened that way. If that parent had not pushed for the truth, the matter could have been quietly forgotten.
That kind of story makes you question things. It does not mean every school or external setting is unsafe, but it does mean the ones we care for can be more vulnerable. You can end up comparing what you are told with what you see more often than not. Those we care for deserve to be be treated and looked after fairly.
Everyday choices become complicated
Food is a simple example, but gives insight into the wider challenge. If Luis refuses something, I have to work out why. Does he dislike the taste? Is he not hungry? Is the texture wrong? Is he feeling sick? Is he tired of being helped? Does he want more control?
This can impact more things across the whole day like:
Getting dressed
Washing and personal care
Choosing activities
Moving from one place to another
Coping with noise
Managing pain or illness
Seeing unfamiliar people
Joining family events
Ending something fun
Parents and carers may start to build a mental collection of signs. A certain cry means tiredness, a movement means discomfort, an expression means they want to leave or a sound means excitement. This knowledge is important, but not always easily transferable. If the person is with someone who does not know that collection of information as indepth as us, their needs can be missed.
That is one of the hidden barriers of communication. The person may be communicating all the time, just not in a way everyone understands.
The emotional impact is not one-sided
The frustration of speech limitations impacts everyone involved especially families. Imagine knowing what you want but not being able to say it, needing help and watching people misunderstand.
Imagine hearing others talk around you, about you, or for you, wanting to join in with laughter, teasing, stories, or silly moments, but not able to. That must be frustrating and an isolating feeling. They may understand more than people realise and may want to contribute. They may have their own humour and expressions, but need support to show it.
What about vulnerability? A person who cannot easily express pain, fear, refusal, or confusion relies on others to notice. They rely on others to be kind, patient, honest, and understanding. They rely on people not to assume their behaviour is “bad” or “difficult”.
For parents and carers, there can be a feeling of guilt. Guilt for not understanding quickly enough, for feeling tired, for needing a break or for simply getting it wrong. We are all simply trying to do what is right to help them but can also feel frustrated and overwhelmed during the process.
Behaviour is often communication
When a child for example cries, pushes something away, becomes distressed, refuses to move, laughs unexpectedly, or reacts strongly, it can be tempting for others to focus only on the behaviour. But what is this communicating, every behaviour is not easy to understand.
A child may cry because they are in pain. They may lash out because they feel trapped. They may refuse because they are overwhelmed. They may become quiet because they are anxious. They may laugh because they are excited, or because they are unsure how else to respond.
When speech is limited, behaviour carries more weight. It becomes their voice, even when it is not always understood. This is why we either exercise our existing patience or quickly find a way to get some. A rushed reaction may see a problem to stop, whereas a patient adult may see a message being sent. And that can change everything!
The need to be heard always exists
Speech limitations can hide a person’s thoughts from the world, but they do not remove those thoughts. They can make daily care more complicated, but they do not make choice, safety, humour, comfort, or dignity any less important.
Luis may not speak in the way many people expect, but that does not mean he is silent. His communication is there, in his expressions, movements, sounds, reactions, and routines. The challenge is whether the rest of us are willing to listen and observe in a different way.
For parents and carers, the hidden barriers can feel lonely. The guessing, the worry, the reliance on others, the fear of missed pain, the need to challenge when something feels wrong. These things take a toll both physically and emotinally.
The biggest frustration for us comes from knowing there is more inside the ones we care for than we may ever understand. Everyone wants to be heard and seen, some people just need us to be more to help them communicate.





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