AAC talking device: what it is, who needs one, and how to get it

TL;DR

An AAC talking device is any tool that produces speech for someone who can't reliably talk on their own. Options range from free apps on an iPad to dedicated hardware costing $8,000 or more, and insurance, Medicaid, or the school system can often cover most or all of it. A speech-language pathologist should help guide the choice, but there's nothing stopping a family from starting to look into options today.

What is an AAC talking device?

AAC stands for augmentative and alternative communication, and a talking device is the part of that system that actually produces speech, either through a pre-recorded human voice or a computer-generated one, so a person can communicate without relying only on spoken words.

These devices don't replace speech therapy. They work alongside it. The American Speech-Language-Hearing Association defines AAC as "all forms of communication other than oral speech that are used to express thoughts, needs, wants, and ideas" ^[1], and that definition is deliberately broad, stretching from a laminated picture board to an eye-gaze computer.

In this article, "AAC talking device" means any system that generates real speech output: a speaker built into dedicated hardware, a speech-generating app on a tablet, or a recorded-voice button. That's the narrower thing most families are actually looking for: something their child can use to speak.

One thing worth understanding early is that there's no single best device. A child's motor skills, cognitive profile, vision, hearing, and daily environment all shape which system actually gets used day to day. Getting it wrong the first time doesn't ruin anything permanently, but it does waste time and money, and it can shake a family's confidence in AAC as a whole.

Who uses AAC talking devices?

Kids (and adults) who use AAC devices come from a wide range of diagnoses, but in pediatric practice a few groups show up again and again: autistic children who are minimally verbal or nonspeaking, kids with childhood apraxia of speech (a motor-planning disorder that makes it hard to coordinate the movements needed for spoken words ^[2]), children with cerebral palsy or other conditions affecting the muscles used for speech, kids with Down syndrome, children recovering from traumatic brain injuries or strokes, and kids with developmental delays of unknown origin whose speech lags well behind what's expected for their age.

Exact numbers are hard to pin down. Research estimates that somewhere between 1.3% and 2.2% of the general population has a communication need severe enough to benefit from AAC ^[3]. Among autistic children specifically, research published in Pediatrics puts the share who remain minimally verbal through childhood at 25% to 30% ^[4].

A question that comes up constantly: does a child have to be completely nonspeaking to use a device? No. Plenty of children use AAC alongside speech that's functional but limited. The device steps in when spoken words break down under fatigue, anxiety, or too much sensory input. And using one doesn't stall a child's spoken language, either. A 2006 review in the American Journal of Speech-Language Pathology, often cited on this point, found no evidence that AAC inhibits speech development, and some evidence it actually helps ^[5].

If your child has been flagged as a late talker or is already getting early intervention services, bring up AAC with your service coordinator now rather than waiting to see if things change on their own.

AAC talking devices really split into three camps, and knowing which one you're dealing with can save you a lot of confusion before you spend anything or sit through an evaluation. The first is dedicated speech-generating devices, the purpose-built hardware units like Tobii Dynavox, PRC-Saltillo (makers of the Accent and NovaChat lines), and Lingraphica. These run specialized AAC software and come with reinforced casings, long battery life, and speakers loud enough to be heard across a room. Because they're classified as medical devices, they qualify for insurance and Medicaid funding, though without that funding they run roughly $3,000 to $9,000 ^[6]. For a child whose main way of communicating will be the device itself, this is usually the gold standard: the vocabulary systems are built by AAC researchers, the feature set is deeper, and there's an established repair and replacement pipeline behind them. The second camp is AAC apps on regular tablets, iPad or Android. Proloquo2Go (AssistiveWare), TouchChat, LAMP Words for Life, and Snap Core First all fall here, with the app itself running $250 to $500. Add a rugged case and a decent iPad and you're looking at roughly $800 to $1,200 total, a fraction of what a dedicated device costs ^[6]. The catch is that tablets are general-purpose: they break, they get commandeered for YouTube, and they don't always qualify for insurance funding (more on that below). Still, for a lot of families a well-configured iPad with a solid AAC app is the practical starting point simply because you can get one today. The third camp is low-tech: single-message buttons and recorded-voice boards. A Big Mack button records one message and costs around $50. GoTalk boards hold several pre-recorded phrases and run $80 to $200. Low-tech by design, but genuinely useful for early communicators, kids with significant motor impairments who need large targets to hit, or settings where a tablet just doesn't belong, the pool, the sandbox, a sensory bin. "Talking tiles" systems, whether from Boardmaker or homemade PCS (Picture Communication Symbols) boards with recorded buttons, belong in this same category, and they're often the very first AAC tool a child encounters at school or in therapy.

Type	Example products	Typical cost (self-pay)	Insurance eligible?
Dedicated SGD	Tobii Dynavox TD Snap, PRC Accent	$3,000, $9,000	Yes, as medical device
AAC app on tablet	Proloquo2Go, TouchChat, LAMP	$800, $1,500 all-in	App often no; device sometimes yes
Recorded-voice device	Big Mack, GoTalk, Step-by-Step	$50, $250	Rarely
Eye-gaze SGD	Tobii I-Series, EyeMobile	$10,000, $20,000	Yes, with documentation

How do you choose the right AAC device for your child?

This is one of those decisions where families feel like they're supposed to have the answer ready, and the truth is you shouldn't be figuring it out alone. The selection process should involve a speech-language pathologist trained in AAC, ideally alongside an assistive technology specialist. ASHA's guidance on AAC assessment calls for a "feature-matching" process that weighs the device against the user's current and anticipated motor, cognitive, linguistic, and sensory abilities ^[1].

A few things actually drive the decision once you're in the room with a clinician.

Start with motor access: can your child reliably touch a screen, or would they do better with larger buttons, a keyguard, or switch access? Kids with motor challenges from cerebral palsy or childhood apraxia of speech sometimes need switch scanning or eye gaze built in from the start rather than added later.

Then there's the vocabulary system itself, which is the biggest debate in AAC circles right now. Grid-based systems arrange pictures in rows and categories, and they're what most school-based AAC is built around. Motor-planning systems like LAMP (Language Acquisition through Motor Planning) work differently: each word always lives in the same spot, so the child builds muscle memory the way we build it for speech. Neither approach wins across the board. It comes down to your child.

Durability matters more than people expect. A device that rides around in a backpack needs to survive getting dropped, so dedicated speech-generating devices usually come with warranty programs, while tablets need a solid case (OtterBox Defender and Rhino Shield are popular choices among AAC families).

Voice output is worth thinking about too. Some kids barely notice the difference, while others strongly prefer a voice that sounds like a child rather than an adult. Most modern speech-generating devices let you set the voice to match the user's age and gender, so this is usually solvable.

Whatever you land on, ask for a trial before committing. Most major manufacturers, including Tobii Dynavox and PRC-Saltillo, run loaner programs, and your child's school may have devices available during the evaluation window too. Don't buy a system your child hasn't had a chance to actually use.

If you're waiting on a formal evaluation and want something lower-stakes in the meantime, speech therapy apps and simple recorded-voice buttons let your child get a feel for device communication without locking your family into a particular system.

How much does an AAC talking device cost?

Cost is usually the first question families ask, and the honest answer is that sticker prices are steep but what you actually pay out of pocket can end up close to zero if you find the right funding route.

Here's what self-pay looks like: recorded-voice single-message devices run $30 to $250, an AAC app added to a tablet you already own is $250 to $500 for the app itself, a new iPad with app and rugged case runs $800 to $1,500, a mid-range dedicated speech-generating device (SGD) is $3,000 to $6,000, and a high-end dedicated SGD with eye gaze can run $8,000 to $20,000 ^[6].

Those numbers are enough to make anyone flinch. But most families with an eligible child don't end up paying full price, because there are several funding channels built specifically for this.

Medicaid covers dedicated SGDs under its durable medical equipment (DME) benefit when a physician prescribes one and an SLP's documentation backs it up ^[7]. Coverage details and dollar limits vary by state, but most states do cover SGDs, and the Centers for Medicare and Medicaid Services has published guidance confirming that SGDs qualify as DME under the HCPCS E2500 code series ^[7].

Private insurance is murkier. The Affordable Care Act requires most plans to cover habilitative and rehabilitative devices, but coverage for SGDs varies a lot from plan to plan, and some insurers will ask for prior authorization along with a detailed letter of medical necessity from both SLP and physician. It's a hassle, but worth pushing through.

Under the Individuals with Disabilities Education Act (IDEA), if a child's IEP team determines an AAC device is necessary for a free appropriate public education (FAPE), the school district has to provide it at no cost to the family ^[8]. That's federal law, not a favor. The device technically belongs to the school during school hours, but it has to go home with the child too if the IEP calls for that.

Beyond Medicaid, insurance, and schools, every state also runs an Assistive Technology Act program, funded federally, and many of these offer device lending, low-interest loans, and reutilization programs that provide refurbished SGDs at low cost ^[11]. Nonprofits are another avenue worth trying: groups like United Cerebral Palsy, Easterseals, and local autism family foundations offer grants, though processing can take weeks or months, so it pays to apply as early as possible.

Does insurance cover AAC devices for kids with autism or speech delays?

Usually, yes, for a dedicated speech-generating device, as long as you have the paperwork. For AAC apps running on a regular iPad or tablet, it's much less certain, and often the answer is no.

Insurers draw a line between a "dedicated device" (one that's used only for AAC) and a "non-dedicated device" (a regular tablet that also plays games and runs other apps). Medicaid and most private insurers will pay for a dedicated SGD under the durable medical equipment benefit, but they typically won't pay for an iPad, since it counts as a general-purpose device rather than medical equipment.

Getting an SGD covered generally means pulling together a speech-language evaluation that documents the child's communication needs and explains why speech alone isn't enough, a letter of medical necessity from the treating SLP, a physician's prescription, evidence that the specific device was chosen through a feature-matching process, and proof that cheaper options, like a low-tech system, wouldn't work for this child.

The good news is you're rarely doing this alone: the SLP and the SGD manufacturer's funding department usually handle most of the paperwork together. Companies like Tobii Dynavox and PRC-Saltillo have funding specialists on staff who deal with insurance companies all day long, so lean on them.

If the device is coming through the school under IDEA instead, the school covers the cost outright once the IEP team agrees it's needed. There's no insurance filing on that path at all.

If your child is already in speech therapy and funding hasn't come up yet, it's worth asking the therapist directly what the letter of medical necessity process looks like and whether they can help you get it started.

What AAC vocabulary systems work best for young children?

The vocabulary system matters as much as the hardware itself. An AAC device loaded with the wrong vocabulary organization ends up harder to use and slower to learn, no matter how good the app is.

Core vocabulary is the biggest idea here: it's the 200 to 400 words that make up roughly 80% of what any person says in daily life, words like "more," "go," "want," "stop," "help," "no," "I," "you." Core-focused systems put these high-frequency words on the home screen, with fringe vocabulary (specific nouns like "pizza" or "dog") organized in categories one tap away. Most major AAC apps, including Proloquo2Go, TouchChat, and Snap Core First, use some version of this organization.

Then there's LAMP (Language Acquisition through Motor Planning), which is built on the idea that spoken language is mostly motor memory: the motor plan for "want" is the same every single time in natural speech. LAMP applies this to AAC by giving each word a consistent location on the device so the child builds automaticity through repetition. Research specifically on LAMP is limited since it's newer and smaller-scale, but the motor-learning principles it draws from are well-supported in the broader speech and language literature ^[10].

Aided Language Stimulation (ALS) is worth knowing about too, though it's a teaching strategy rather than a vocabulary system. ALS means communication partners (parents, teachers, therapists) model on the device throughout the day, pointing to symbols as they speak. The research base here is strong: consistent modeling increases device use and vocabulary growth in children with complex communication needs ^[5].

For very young children, or those just starting out with AAC, a high-contrast talking tiles board with 4 to 9 core words can be exactly the right starting point. Simple works, and the goal is communication, not system sophistication.

If your child has autism spectrum disorder and uses echolalia to communicate, choose a vocabulary system that honors that language style and builds on it rather than trying to suppress it.

How do you actually teach a child to use an AAC device?

Handing a child a device is the easy part. Getting real communication out of it takes steady, deliberate practice everywhere the child spends time, not just in therapy.

The most consistent finding in AAC research is that heavy modeling by communication partners drives device learning more than anything else ^[5]. That means you use the device too. You touch the symbols as you talk instead of just handing it over and waiting for something to happen.

Model constantly throughout the day. Every time you say "go," hit go on the device. Every time your child reaches for a snack, model "want eat" before you give it to them. This isn't a drill session, it's more like narrating your day with an extra layer.

Keep the device within reach at all times. Not mounted on a shelf, not zipped in a bag. A device that isn't accessible can't be used, so treat it like something the child should always be able to grab.

Assume your child understands more than they can express and is trying to say more than it looks like. That mindset shapes how often you respond to device attempts, and how often you respond shapes how often the child keeps trying.

Respond to every attempt as if it meant something, even the accidental ones. If a hand lands on "more" by chance, say "Oh, you said 'more'! More what?" That's how a child learns the device actually does something.

Stay connected with school. If your child uses a device at home, the same system, or something very close to it, should be used in the classroom. Switching between different setups slows learning down a lot, and keeping the systems aligned is a fair thing to put in an IEP.

Some families use low-key apps, including Little Words (littlewords.ai), to bridge daily vocabulary practice between therapy sessions, particularly for kids who respond well to screen-based interaction at home. Whatever tools you choose, the goal is the same vocabulary showing up consistently across every context.

For families working with apraxia of speech, the motor-planning focus built into certain AAC systems lines up closely with how apraxia therapy works, so it's worth talking to your SLP about coordinating the two.

Can a child use an AAC device at school, and does the school have to provide one?

Yes, under the right conditions. IDEA, the federal law governing special education, says assistive technology devices and services must be provided at no cost to families if the IEP team determines the child needs them to access their education ^[8]. The legal standard is "free appropriate public education" (FAPE), not "ideal education," so the team's determination matters. But if an SLP documents that a child cannot meaningfully access instruction without a device, the school is legally obligated to provide it.

One thing families often miss: the device belongs to the school district, not the family. If the IEP specifies the child needs it outside school hours for homework or talking with family, the school must let it go home. Few families use this provision, mostly because nobody tells them to ask for it in the IEP.

Schools sometimes try to offer a cheaper or less capable device than the one an SLP recommended. Families can push back here. IDEA's standard is appropriateness for the child's needs, not the least expensive option available. If you end up in a dispute over device selection or funding, a parent advocate or special education attorney can help you sort it out.

The Assistive Technology Act of 2004 (Public Law 108-364) also requires states to run AT programs with device lending libraries, so schools and families can try equipment during an evaluation period before committing to one device ^[11].

Understanding your rights around assistive technology fits into the bigger picture of early intervention, and it connects directly to how these devices actually get funded once you're in the school system.

Dedicated AAC device or an AAC app on an iPad?

This comes up in nearly every device evaluation, and the honest answer is that "dedicated is better" doesn't hold up as a blanket rule.

A dedicated speech generating device is medical hardware built for one job: communication. It tends to have a louder speaker than a standard tablet, a tougher casing, longer battery life, and software that's locked down so nobody can sneak off to watch Netflix on it. Because it counts as a single-purpose medical device, it qualifies for Medicaid and private insurance reimbursement under the durable medical equipment benefit.

An iPad running Proloquo2Go, LAMP Words for Life, or TouchChat is a different animal: a general-purpose computer with a strong app installed on it. It costs less upfront, and the apps themselves are genuinely good. Proloquo2Go alone has been used by hundreds of thousands of people worldwide over more than 15 years. The catch is that the same device also plays games, streams video, and connects to the internet, which can pull focus for some kids and, in many cases, rules it out for insurance funding.

Because of that, plenty of families start with an iPad. They can have one in hand this week instead of waiting out a funding process, many already own one, the apps are more than capable for early AAC exploration, and getting a dedicated device approved through insurance or Medicaid can take anywhere from 3 to 12 months.

From there, some families move to a funded dedicated device once their child's communication needs are clearer and the SLP can put together a detailed letter of medical necessity. Others just stay with the iPad setup, especially if it's working and the family has a handle on the distraction issue.

Neither route is the wrong choice. The right device is whichever one your child will actually pick up and use, day after day.

Are there free or low-cost AAC options to start with right now?

There are, and it's completely reasonable to start free, especially while you're waiting on an evaluation or funding to come through.

Cboard (cboard.io) is a free, open-source AAC app that runs on any web browser, iOS, or Android. It supports picture symbols and text-to-speech, and there's no subscription attached. It's simpler than Proloquo2Go, but it works fine for a child just starting out with communication.

LetMeTalk is free on Google Play for Android devices. It uses ARASAAC symbols, a large open-source symbol library, and generates speech. It was developed in Germany and has a decent track record.

Snap Core First offers a 30-day free trial. It's one of the most widely used AAC apps in schools, so trying it gives families a real sense of what a full vocabulary system looks like in practice.

You can also go low-tech: print Picture Communication Symbols (available through Boardmaker or Teachers Pay Teachers) and pair them with a cheap recorded-voice button like a Big Mack. It's not fancy, but it genuinely works for a child building their first AAC vocabulary.

PECS (Picture Exchange Communication System) isn't a talking device, but a structured visual communication system with a strong evidence base, and it often precedes or runs alongside device use. You can make the basic materials at home, though formal PECS training for therapists and parents does cost money.

Worth knowing too: every state has an assistive technology program under the AT Act, and many run free device lending libraries where you can borrow a device for 30 to 60 days before committing to anything ^[11]. It's a resource a lot of families never hear about.

The point of starting free or cheap isn't to stay there forever. It's to learn what your child actually responds to, so that when you go through the funding process for a full SGD, you've got real evidence to point to.

If you want a starting point for daily vocabulary practice alongside therapy, the Little Words quiz at littlewords.ai/start can help identify which words and symbols your child is most likely to connect with first.

What does the research say about AAC devices and speech development?

The evidence is stronger than a lot of parents realize, and the main finding runs against the fear most of them carry into this decision: AAC does not stop children from developing spoken speech.

A 2006 systematic review by Millar, Light, and Schlosser in the American Journal of Speech-Language Pathology looked at 23 studies and found that in 89% of cases, introducing AAC was followed by no change in natural speech production, or an increase in it ^[5]. Later research has held up that finding.

For children with autism specifically, a 2014 study in the Journal of Autism and Developmental Disorders found that using high-tech speech-generating devices was associated with gains in spontaneous speech over the course of intervention ^[10].

The American Academy of Pediatrics, in its guidance on autism management, recognizes AAC as part of communication intervention and does not recommend waiting on speech development before introducing it ^[4].

It's worth being honest about the limits of this research. Many of the studies are single-subject designs with small samples, and randomized controlled trials are rare, because you can't ethically withhold communication access from a control group just to run a cleaner study. So the exact effect sizes and how well specific approaches generalize are harder to pin down than they'd be in, say, drug trials. Nobody has perfectly clean data here. But what we do have points the same direction: AAC helps spoken language along, or at worst leaves it unaffected, and that's enough to act on.

For children with echolalia, things get more complicated. Echolalia can exist right alongside device use, and some children mix scripted speech with device output in ways that communicate something real even when it looks unconventional. If your child has echolalia, this is something your SLP should be actively thinking through with you.

Frequently asked questions

At what age can a child start using an AAC talking device?

There's no minimum age. Both research and clinical practice support introducing AAC as early as 12 to 18 months when a child shows signs of a significant speech delay. The American Speech-Language-Hearing Association is clear that there's no minimum cognitive or age requirement for AAC. The earlier a child gets access, the more time they have to build communication skills, and waiting for a child to "fail" at speech first just costs time you can't get back.

Will using an AAC device make my child stop trying to talk?

No, and this is the fear that keeps more families from starting than anything else. The research says the opposite happens. A 2006 systematic review in the American Journal of Speech-Language Pathology found AAC was associated with no change or an increase in natural speech in 89% of cases reviewed. Giving a child a reliable way to communicate takes away the frustration that often gets in the way of speech attempts in the first place.

What is the difference between AAC and PECS?

PECS (Picture Exchange Communication System) is a specific, structured protocol where a child hands a picture card to a partner to request something. It's a low-tech form of AAC with strong evidence behind it for building intentional communication. A talking device, by contrast, generates speech output electronically. Plenty of children start with PECS and move on to a speech-generating device later. These aren't rival systems competing for your attention; they're often steps along the same path.

How long does it take to get an AAC device funded through insurance?

Usually 3 to 12 months from the first evaluation to the device arriving. Along the way there's an SLP evaluation, a letter of medical necessity, a physician's prescription, insurance prior authorization, sometimes an appeal, and then shipping. Medicaid timelines shift from state to state. Manufacturer funding departments, like those at Tobii Dynavox and PRC-Saltillo, can move things along faster since they handle this paperwork constantly. Starting early matters more than which insurance company you happen to have.

Can a nonspeaking autistic child learn to use an AAC device?

Yes. AAC is widely recommended for minimally verbal and nonspeaking autistic children. Research published in Pediatrics estimates that 25% to 30% of autistic children stay minimally verbal through childhood, and speech-generating devices are among the most studied interventions for this group. Success tends to come down to consistent modeling from the people around the child, vocabulary that actually fits their life, and a motor access method that matches their abilities. Assuming a child understands more than they can currently say also matters.

What is the best AAC app for a child just starting out?

There isn't one best app, since the right pick depends on your child's motor skills, cognitive level, and how their SLP approaches vocabulary. That said, Proloquo2Go is the most widely used and has the biggest support network behind it. LAMP Words for Life works well when motor learning is the priority. If you want a free starting point, Cboard runs on any device at no cost. Whatever you're leaning toward, trial it first.

Do schools have to pay for an AAC device under IDEA?

Yes, if the IEP team decides the device is necessary for the child to receive a free appropriate public education. IDEA requires assistive technology devices and services at no cost to families once the team agrees they're needed. The device technically belongs to the school district, but if the IEP says it's needed outside school hours, the school has to let it go home. This is federal law, not a favor anyone is doing you.

What does "talking tiles AAC" mean?

Talking tiles are individual picture symbols paired with a recorded or synthesized voice, and a child touches or places them to communicate. They can be low-tech, like printed cards with a recorded button overlay, or digital tiles in an app grid that speak when tapped. The term gets used loosely, and often just refers to grid-based AAC apps where each cell is a "tile" with a symbol and voice output.

How do I get an AAC evaluation for my child?

Start by asking your child's pediatrician for a referral to a speech-language pathologist with AAC experience. If your child is under 3, contact your state's early intervention program (you can find it through the IDEA website). For a school-age child, submit a written request to your school district for an assistive technology evaluation as part of the special education process. Private SLPs with AAC specialties are another option, particularly if public program waitlists are long.

Is eye gaze technology covered by insurance for children who can't use their hands?

Yes. Eye-gaze speech-generating devices fall under Medicaid's durable medical equipment benefit (HCPCS E2500 series) when there's documentation showing the child can't use direct selection and eye gaze is the right access method for them. Private insurance coverage varies more. These systems run $10,000 to $20,000 or more without funding, which is exactly why going through the insurance process matters. Manufacturer funding specialists deal with this routinely and can guide you through it.

What is aided language stimulation and does it work?

Aided language stimulation means communication partners model on the AAC device during everyday interactions, pointing to or activating symbols as they talk. Research backs it as the most effective way to teach a child to use their device. The idea mirrors how children pick up spoken language in the first place: through exposure and modeling in real situations, not drills. Families can learn these techniques from their SLP and use them at home.

Can a child use two different AAC systems at the same time?

Yes, and it happens often. Many children use a high-tech device alongside low-tech boards for specific settings (bath time, the playground) plus natural gestures or vocalizations. What matters is keeping core vocabulary consistent across all of them, so the child can build reliable motor patterns. Vocabulary that shifts from one environment to the next slows learning down. Your SLP should be coordinating across home, school, and therapy so everyone's using the same words in the same places.

What happens to the AAC device when a child outgrows it or their needs change?

Most manufacturers offer software updates and upgrades along the way. If a child's needs change a lot, insurers can sometimes fund a replacement after a set period, often 3 to 5 years under Medicaid. Some state assistive technology programs also accept donated devices for reuse. A device that no longer fits shouldn't just sit in a closet: donated speech-generating devices can be refurbished and passed on to families who can't get funding of their own.

My child's school wants to use a different device than what our private SLP recommended. What can I do?

Ask for both recommendations to be discussed at the IEP meeting, with documentation from each evaluator on the table. The legal standard is whatever device is appropriate for the child's individual needs, not the cheapest option available. If the school proposes something less capable without solid justification, you're allowed to disagree and request mediation or a due process hearing under IDEA. A parent advocate or special education attorney can help you work through it.

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Sources

1. ASHA, Augmentative and Alternative Communication (AAC) overview: ASHA defines AAC as all forms of communication other than oral speech used to express thoughts, needs, wants, and ideas; feature-matching assessment process
2. ASHA, Childhood Apraxia of Speech: Childhood apraxia of speech is a motor-planning disorder affecting the ability to coordinate movements for spoken words
3. ASHA, AAC Evidence Maps: Estimated 1.3% to 2.2% of the population has a complex communication need severe enough to benefit from AAC
4. American Academy of Pediatrics, Identification and Evaluation of Children with Autism Spectrum Disorders (Pediatrics, 2007): 25% to 30% of autistic children remain minimally verbal through childhood; AAC is a recognized component of autism communication intervention
5. Millar, Light & Schlosser (2006), American Journal of Speech-Language Pathology, 'The impact of AAC on natural speech development': In 89% of cases reviewed, AAC introduction was associated with no change or an increase in natural speech production; aided language stimulation supports device learning
6. RESNA, Funding AAC Devices: A Resource Guide for Consumers: Dedicated SGD prices range from approximately $3,000 to $9,000 self-pay; AAC apps on tablets cost $250 to $500; eye-gaze systems can exceed $10,000
7. CMS (Centers for Medicare and Medicaid Services), Speech Generating Devices as Durable Medical Equipment, HCPCS E2500 series: Medicaid covers dedicated SGDs as durable medical equipment under HCPCS code E2500 series when prescribed and documented by SLP and physician
8. U.S. Department of Education, IDEA (Individuals with Disabilities Education Act) Part B, Assistive Technology: IDEA requires assistive technology devices and services at no cost to families when the IEP team determines they are necessary for FAPE; home use required if IEP specifies it
9. Kasari et al. (2014), Journal of Autism and Developmental Disorders, 'Communication interventions for minimally verbal children with autism': High-tech SGD use associated with gains in spontaneous speech utterances; AAC appropriate for minimally verbal autistic children
10. Assistive Technology Act of 2004, Public Law 108-364: States required to maintain AT programs with device lending and reutilization; families and schools may borrow devices during evaluation periods
11. ASHA, No Minimum Age or Cognitive Requirement for AAC: ASHA states there is no minimum cognitive or age requirement for AAC introduction