AAC Therapy: Giving Non-Speaking and Minimally Speaking Children a Voice
If your child isn't talking — or is talking very little — one of the most powerful tools available to them is something called AAC: Augmentative and Alternative Communication.
And yet, it's one of the most misunderstood interventions in early childhood. Families worry that using AAC will make their child less likely to develop speech. They worry it's "giving up" on verbal communication.
Neither is true. The research on this is clear and consistent: AAC supports speech development. It doesn't replace it.
What Is AAC?
AAC stands for Augmentative and Alternative Communication — any tool or strategy that supports or supplements spoken language. This includes:
Low-tech AAC:
- Picture exchange systems (PECS)
- Communication boards
- Core word boards
- Printed symbol cards
Mid-tech AAC:
- Single-message devices
- Step-by-step communicators
- Simple voice output devices
High-tech AAC:
- Speech-generating devices (SGDs) — dedicated hardware or apps that allow a child to select symbols or text to produce speech
- Common apps include Proloquo2Go, TouchChat, LAMP Words for Life, and Snap Core First
No-tech AAC:
- Sign language (particularly core vocabulary signs)
- Gestures
- Total Communication approaches
Who Benefits from AAC?
AAC is appropriate for any child who cannot currently communicate effectively through spoken language alone. This includes children with:
- Autism spectrum disorder (ASD)
- Childhood apraxia of speech (CAS)
- Global developmental delay
- Down syndrome
- Cerebral palsy
- Rare genetic syndromes
- Acquired neurological conditions
AAC is also used during the evaluation and early treatment phase for any child whose communication is significantly delayed, to give them a functional way to communicate while speech develops.
You do not need a specific diagnosis to benefit from AAC. If a child cannot effectively communicate their wants, needs, and thoughts through speech — AAC is worth exploring.
Will AAC Stop My Child from Talking?
This is the most common fear — and the research says the opposite is true.
Study after study shows that AAC supports and accelerates speech development rather than inhibiting it. When children have a functional way to communicate:
- The pressure to produce speech is reduced, which often paradoxically helps speech emerge
- Children's vocabulary exposure increases as they use and hear language through the device
- Communication becomes rewarding and motivating — which drives more attempts to communicate
- Many children who begin with AAC develop increasing verbal speech alongside it over time
AAC is not a last resort. For many children, it's a bridge to verbal communication.
How AAC Therapy Works
An SLP with AAC experience will:
- Evaluate your child's current communication — what they can do now, what modes they're using, and what they need
- Recommend appropriate AAC — not every child needs high-tech. The right AAC is the simplest system that gives them a functional voice
- Teach the child to use it — this takes time, modeling, and consistency
- Train the family and caregivers — AAC only works if the people around the child use it too
Aided Language Stimulation (ALS) is a key strategy: adults model language by pointing to or activating the AAC system themselves as they speak, so the child sees the tool being used as a natural part of communication.
Starting AAC Early
The earlier a child has a functional way to communicate, the better. Waiting until a child is "old enough" or until speech "should have come by now" means months or years of frustration — a child who has things to say but no way to say them.
Frustration, behavior challenges, and withdrawal are often symptoms of communication difficulty. Giving a child a voice — even a symbol board or a handful of signs — can transform behavior, reduce meltdowns, and strengthen connection with family.
Next Steps
If your child is minimally speaking or non-speaking, a speech-language pathology evaluation is the right first step. The SLP will assess their current communication, consider whether AAC is appropriate, and — if so — make a specific recommendation.
At Eat. Play. Love. OT, our SLPs specialize in working with non-speaking and minimally speaking children, including AAC assessment and implementation.
We provide in-home and telehealth services throughout San Diego County. We are in-network with United Healthcare, Optum, Tricare West, and Cigna/ASH.









