AAC, or augmentative and alternative communication, is any tool or system, from picture cards to a dedicated speech-generating device, that supports or replaces spoken language for a child who cannot yet reliably communicate needs, wants, and ideas through speech alone. AAC works best when it is not treated as a speech-only intervention handed to a family and left there. It works best inside a coordinated team, where speech-language, occupational therapy, and ABA professionals are all reinforcing the same communication system in the same way, across every setting a child moves through in a day.
Why AAC needs a team, not just a device
Roughly 1.3 percent of the U.S. population, an estimated 4 million Americans, are unable to reliably communicate their daily needs using natural speech alone (American Speech-Language-Hearing Association, Practice Portal: Augmentative and Alternative Communication, citing Beukelman and Mirenda, 2013). Among children with special health care needs specifically, research cited by ASHA found that 7.6 percent of those with speech difficulties were estimated to need a communication device, and roughly 2 percent of children who needed one were not receiving it (ASHA Practice Portal, citing Kenney and Kogan, 2011). That access gap is exactly why our clinic treats AAC as a team responsibility rather than a single provider's assignment.
A device or picture system introduced in a speech session and never reinforced anywhere else tends to fail, not because the tool was wrong, but because a child needs consistent modeling across every environment where communication happens: during an occupational therapy session working on fine motor skills for accessing a device, during ABA sessions building functional communication as a replacement for challenging behavior, and at home during ordinary routines.
What AAC actually looks like across disciplines
In speech-language sessions, our clinicians assess a child's current communication attempts, whatever form they take, gesture, vocalization, or behavior, and select or refine an AAC system matched to that child's motor, cognitive, and sensory profile. Occupational therapy contributes when a child's fine motor or positioning needs affect how they physically access a device or picture system; a tablet-based AAC app is only useful if a child can reliably reach and select the right icon. How our ABA team approaches communication goals matters most for children whose limited communication shows up as challenging behavior, since teaching a reliable AAC request often reduces frustration-driven behavior by giving the child a faster, more reliable way to get a need met than the behavior was providing.
Why school-team collaboration matters as much as clinic sessions
Many of the Treasure Coast children we see using AAC also receive services at school, and a system that works in our clinic but is not supported the same way in the classroom creates confusion for the child and frustration for teachers. Our team regularly coordinates with school-based speech-language pathologists and special education staff to keep vocabulary sets, access methods, and prompting strategies consistent between clinic and classroom, so a child is not learning two different systems for the same need.
Feeding, oral-motor, and communication: where AAC intersects with other goals
For children who also have feeding or oral-motor goals, our team looks at communication and feeding together rather than in isolation, since a child's ability to communicate hunger, refusal, or a preference is often part of the broader feeding picture. This is one more reason a coordinated team model outperforms a single-discipline approach for children with complex communication needs: the disciplines are not solving separate problems, they are solving connected ones.
Why carryover at home decides whether AAC actually works
An AAC system only works if it travels with the child everywhere communication happens, not just during a 45-minute session. The six-month coaching model that reinforces carryover at home exists specifically because parents and caregivers, not clinicians, are the ones present for the vast majority of a child's communication opportunities across a week. Our Parent Coaching program trains caregivers to model AAC use inside real routines, mealtime, bedtime, getting ready for school, rather than treating home carryover as an afterthought to clinic-based therapy. Families across Vero Beach, Sebastian, and Fort Pierce, throughout Indian River and St. Lucie Counties, work with our team on exactly this kind of coordinated carryover.
Frequently asked questions
Does starting AAC mean my child will stop trying to talk? No. Research consistently shows that AAC supports rather than replaces spoken language development for most children, and many children increase their spoken communication attempts once AAC reduces the frustration of not being understood.
How do you decide which AAC system is right for a specific child? Our speech-language pathologists assess a child's motor abilities, cognitive profile, sensory needs, and current communication attempts, then trial specific systems, from low-tech picture boards to dedicated speech-generating devices, before recommending one, often in coordination with our occupational therapy team on physical access.
Does insurance or a scholarship program help cover the cost of AAC devices and therapy? Coverage varies by plan and by device. Our practice is an approved provider for the Family Empowerment Scholarship for Students with Unique Abilities (FES-UA) through Step Up For Students, which some Treasure Coast families use toward therapy costs; eligibility depends on the family's specific circumstances, so it is worth a direct conversation with our team.
Why does my child need OT and ABA support if their main goal is communication? Communication is rarely an isolated skill. Fine motor access to a device, sensory regulation during a session, and behavior that signals unmet communication needs all intersect with speech goals, which is why a coordinated team produces more consistent progress than speech therapy alone.
How is your team's approach to AAC different from a solo speech-only practice? A solo practice can absolutely deliver excellent AAC evaluation and therapy. What a coordinated team adds is consistent reinforcement of the same system across OT, ABA, and parent coaching sessions, plus direct collaboration with a child's school team, so the AAC system does not live in just one room.
Talk with our team about your child's communication
AAC works best as a team effort, not a single therapy hour. Our Speech-Language Pathologists, Occupational Therapists, and BCBA-supervised ABA professionals coordinate AAC support across every setting a Treasure Coast child moves through. Contact Vero Pediatric Therapy Services to talk about your child's communication needs.
About the authors
Vero Pediatric Therapy Services is a Treasure Coast practice of licensed Occupational Therapists, BCBA-supervised ABA professionals, and licensed Speech-Language Pathologists, plus a structured six-month Parent Coaching program spanning OT, ABA, and Speech tracks. The practice provides private-pay, family-centered, evidence-based pediatric therapy to families across Vero Beach, Sebastian, and Fort Pierce in Indian River and St. Lucie Counties, and is an approved provider for the Family Empowerment Scholarship for Students with Unique Abilities (FES-UA) through Step Up For Students. Contact Vero Pediatric Therapy Services to learn more.