Types of AAC Devices for Individuals with Autism
Discover the diverse world of AAC devices for autism—PECS, AAC apps, and dedicated devices. Empower communication for individuals with autism.
January 26, 2024

Understanding AAC Devices for Autism
When it comes to supporting individuals with autism in their communication journey, AAC devices play a crucial role. AAC stands for Augmentative and Alternative Communication, and these devices are designed to aid individuals with autism in expressing themselves effectively. Let's explore what AAC devices are and why they are important for individuals with autism.
What is an AAC Device?
An AAC device is any tool or system that helps individuals with communication difficulties to express themselves and understand others. These devices are particularly beneficial for individuals with autism who may have challenges with speech and language development. AAC devices can range from low-tech options, such as picture-based systems, to high-tech dedicated devices and mobile apps.
AAC devices provide a means of communication for individuals who may have limited verbal skills or who struggle with spoken language. They offer alternative ways to express wants, needs, thoughts, and feelings, empowering individuals with autism to participate more fully in social interactions and everyday activities.

Importance of AAC Devices for Individuals with Autism
AAC devices are invaluable for individuals with autism as they open up a world of possibilities for communication. Here are some key reasons why AAC devices are important for individuals with autism:
- Enhancing Communication: AAC devices provide individuals with autism a means to communicate effectively, giving them a voice and facilitating meaningful interactions with others.
- Reducing Frustration: Communication challenges can lead to frustration and emotional distress for individuals with autism. AAC devices help alleviate this frustration by providing a reliable and consistent method of communication.
- Promoting Independence: AAC devices empower individuals with autism to express their thoughts, wants, and needs independently, fostering self-confidence and autonomy.
- Supporting Language Development: AAC devices can facilitate language development by providing visual and auditory cues, promoting vocabulary expansion, and encouraging the understanding of language concepts.
- Improving Social Interactions: With AAC devices, individuals with autism can engage in social interactions more effectively, fostering connections, and building relationships with others.
- Supporting Education and Learning: AAC devices play a vital role in educational settings, enabling individuals with autism to participate actively in the learning process, follow instructions, and access educational materials.
By embracing AAC devices, individuals with autism can bridge communication gaps, unlock their potential, and thrive in various aspects of their lives.

Types of AAC Devices
When it comes to communication aids for individuals with autism, there are various types of AAC (Augmentative and Alternative Communication) devices available. These devices aim to enhance communication and language development in individuals who may have difficulty with verbal speech. The three main types of AAC devices commonly used for individuals with autism are the Picture Exchange Communication System (PECS), AAC Apps, and Dedicated AAC Devices.
Picture Exchange Communication System (PECS)
The Picture Exchange Communication System (PECS) is a widely recognized and effective method of communication for individuals with autism. PECS utilizes a system of exchanging pictures or symbols to convey messages and needs. The individual is taught to select and hand over a picture to their communication partner, who then honors the request or responds accordingly.
PECS is known for its simplicity and adaptability, making it suitable for individuals of varying ages and communication abilities. It helps individuals with autism develop their communication skills, expand their vocabulary, and express their desires and needs effectively.
Augmentative and Alternative Communication (AAC) Apps
In the era of smartphones and tablets, AAC Apps have become increasingly popular as communication tools for individuals with autism. AAC Apps are software applications that can be downloaded onto mobile devices, providing a portable and customizable means of communication. These apps offer a range of features, including symbol-based communication boards, text-to-speech capabilities, and personalized communication pages.
AAC Apps provide individuals with autism the ability to communicate using visuals, text, or a combination of both. They offer a portable and convenient solution for communication in various environments.
Dedicated AAC Devices
Dedicated AAC devices are specialized for communication purposes, resembling tablet-like or handheld devices with built-in communication software. They offer customizable communication pages, advanced language systems, and are more durable than consumer-grade tablets or smartphones. Examples include the DynaVox and Tobii Dynavox series.
Individuals with complex communication needs may benefit the most from dedicated AAC devices, which provide a comprehensive solution to communication. By understanding different AAC device types, individuals with autism and caregivers can find the most suitable communication aid. AAC devices enable effective communication, foster independence, and enhance overall quality of life.
PECS: Picture Exchange Communication System
The Picture Exchange Communication System (PECS) is a widely recognized and effective method of augmentative and alternative communication (AAC) for individuals with autism. PECS utilizes a system of pictures or symbols to support communication and language development.
How PECS Works
PECS is designed to teach individuals with autism to initiate and engage in functional communication. The system begins by introducing a set of picture symbols that represent desired objects, actions, or requests. These symbols can be in the form of printed or laminated images, line drawings, or even photographs.
The PECS process involves several stages:
- Exchange: The individual is taught to exchange a single picture symbol with a communication partner in exchange for the desired item or action. This initial step helps establish the connection between communication and obtaining desired outcomes.
- Distance and Persistence: The individual is encouraged to travel short distances to find a communication partner and deliver the picture symbol. This stage promotes the development of persistence and the understanding that communication can occur in various locations.
- Picture Discrimination: The individual is introduced to a collection of different picture symbols and learns to select the appropriate one to communicate their needs or desires. This stage helps develop picture discrimination skills and expands the individual's ability to make choices.
- Sentence Structure: As the individual progresses, they are taught to construct more complex sentences using picture symbols. This stage expands their communication abilities and allows for more detailed expression of thoughts and wants.
The structured approach of PECS aims to gradually transition individuals with autism from using picture symbols to spoken language, promoting the development of functional communication skills.
Benefits and Limitations of PECS
PECS offers several benefits for individuals with autism:
- Promotes Communication: PECS provides a means for individuals with limited verbal abilities to express their needs, wants, and thoughts, fostering meaningful communication interactions.
- Increases Independence: By giving individuals the tools to communicate independently, PECS promotes autonomy and reduces frustration associated with communication difficulties.
- Enhances Social Interaction: The use of PECS encourages social engagement and interaction, as individuals can initiate and participate in conversations with their communication partners.
- Flexible and Portable: PECS can be easily customized to meet the individual's specific communication needs and can be used in various settings, such as home, school, or therapy sessions.
However, it's important to note that PECS may have certain limitations:
- Requires Training and Support: Implementing PECS effectively requires training and ongoing support from qualified professionals. Caregivers and communication partners must learn the system and provide consistent reinforcement and guidance.
- Limited to Visual Communication: While PECS focuses on visual communication, it may not address all aspects of language development, including grammar and syntax.
- May Not Work for Everyone: Although PECS has proven to be beneficial for many individuals with autism, it may not be suitable or effective for everyone. Each individual's communication abilities and preferences should be taken into consideration when determining the most appropriate AAC approach.
PECS is just one of the types of AAC devices available for individuals with autism.
AAC Apps
As technology continues to advance, there is an increasing range of options for individuals with autism to communicate effectively. One such option is the use of AAC (Augmentative and Alternative Communication) apps. These apps provide a portable and customizable solution for individuals with autism to express themselves. Let's explore the overview of AAC apps, popular AAC apps for autism, and the pros and cons associated with their use.
Overview of AAC Apps
AAC apps are software applications designed to facilitate communication for individuals with autism. These apps are typically installed on smartphones or tablets, making them easily accessible and portable. AAC apps offer a variety of communication methods, including picture-based systems, symbol-based systems, and text-to-speech capabilities.
By utilizing visual aids, AAC apps help individuals with autism to express their thoughts, needs, and desires. They provide a platform for individuals to select and display symbols or words, which can be converted into spoken language through the device's text-to-speech functionality. AAC apps often allow users to create customized communication boards, adding personalized symbols or images to enhance the user's comprehension and engagement.
Popular AAC Apps for Autism
There are numerous AAC apps available for individuals with autism, each offering unique features and functionalities. Some popular AAC apps include:
AAC App Description
Here are some popular AAC apps that can help individuals with autism communicate more effectively:
- Proloquo2Go: A widely used AAC app that provides a comprehensive set of communication tools. It offers customizable vocabulary options, symbol support, and text-to-speech capabilities.
- TouchChat: An AAC app that features a user-friendly interface, allowing individuals with autism to communicate through symbols and text-to-speech. It also supports social media integration and access to online resources.
- GoTalk NOW: An AAC app that provides a range of communication boards and symbols. It offers various grid layouts, visual scenes, and the ability to record and play back messages.
- LAMP Words for Life: An AAC app specifically designed for individuals with autism who have limited verbal abilities. It utilizes a consistent motor planning approach to support language development.
It's important to note that the selection of an AAC app should be based on the individual's specific communication needs and preferences. Consulting with a speech-language therapist or AAC specialist can help identify the most suitable app for each individual.
Pros and Cons of AAC Apps
Like any communication tool, AAC apps have their advantages and considerations. Here are some pros and cons associated with the use of AAC apps for individuals with autism:
Pros:
- Portability: AAC apps can be installed on smartphones or tablets, making them highly portable and accessible in various settings.
- Customization: These apps often allow for personalization and customization of communication boards, symbols, and layouts to cater to the individual's specific needs.
- Cost-effective: Compared to dedicated AAC devices, AAC apps tend to be more affordable, especially when utilizing existing devices.
- Updates and Additional Features: AAC apps frequently receive updates and can offer new features or improvements, ensuring that the app evolves with the individual's changing communication needs.
Cons:
- Device Reliance: AAC apps require a compatible device, such as a smartphone or tablet, which may present challenges if the device is not readily available or malfunctions.
- Technical Issues: Like any software, AAC apps may encounter technical issues, such as crashes or compatibility problems.
- Screen Size: The size of the device screen may limit the number of symbols or words displayed at once, potentially affecting the user's communication efficiency.
- Learning Curve: Individuals with autism may require time and support to learn how to use AAC apps effectively, especially if they have limited experience with technology.
It's important to consider the unique needs and abilities of the individual with autism when determining the suitability of AAC apps as a communication tool. Consulting with professionals experienced in AAC devices and assessing the individual's preferences can help in making informed decisions.
AAC apps serve as a valuable tool in supporting individuals with autism to communicate effectively and enhance their overall quality of life. By exploring the available options and considering the pros and cons, individuals with autism and their support teams can select the most appropriate AAC app to facilitate meaningful and independent communication.
Dedicated AAC Devices
Dedicated AAC devices are specialized communication tools designed to assist individuals with autism in expressing their thoughts and needs. These devices offer a range of features and benefits that cater specifically to the communication challenges faced by individuals on the autism spectrum.
Features of Dedicated AAC Devices
Dedicated AAC devices are designed with a variety of features that enhance communication for individuals with autism. Some common features include:
- Symbol-based Communication: Dedicated AAC devices often utilize symbols, pictures, or icons to represent words, phrases, and concepts. These symbols can be organized into categories or grids for easy navigation and selection.
- Customization Options: Many dedicated AAC devices allow for customization to meet the unique communication needs of individuals with autism. This includes the ability to add or modify symbols, personalize vocabulary, and adjust settings based on individual preferences.
- Voice Output: Dedicated AAC devices typically have built-in speech output capabilities, enabling users to have their selected symbols or messages spoken aloud. This feature helps individuals with autism communicate more effectively, as it allows for verbal expression even if they face challenges with speech production.
- Touchscreen Interface: Most dedicated AAC devices incorporate a touchscreen interface, making it easy for individuals with autism to interact with the device by tapping or swiping the screen. The touchscreen interface enhances accessibility and user experience.
- Portability: Dedicated AAC devices come in various sizes, including smaller handheld devices or tablets, providing individuals with the flexibility to carry their communication tool wherever they go. This portability allows for communication in different environments and situations.
Examples of Dedicated AAC Devices
There are several dedicated AAC devices available in the market, each with its unique set of features and functionalities. Here are a few examples:
- Speech-generating devices (SGDs) typically use text-to-speech software to convert written words into spoken language. These devices may also include features like word prediction, messaging, and environmental control.
- Eye-tracking devices use specialized cameras to track a user's eye movements and translate them into commands or messages. These devices are often used by people with limited mobility or speech impairments.
- Switch-accessible devices allow users to control their device using external switches or buttons. These devices may be used by people with physical disabilities or limited motor function.
Other types of AAC devices include picture-based communication aids, mobile apps, and computer software. The best choice of device will depend on individual needs and preferences.
Research has shown that AAC devices can significantly improve communication skills and quality of life for people with speech and language disorders. In fact, a 2018 study published in the journal Developmental Medicine & Child Neurology found that children who use SGDs show improvements in language development, social interaction, and expressive language skills.
Advantages and Considerations of Dedicated AAC Devices
Dedicated AAC devices offer several advantages for individuals with autism:
- Specialized Communication: Dedicated AAC devices are specifically designed to address the communication challenges faced by individuals with autism, providing a tailored solution that promotes effective communication.
- Enhanced Accessibility: The features and functionalities of dedicated AAC devices, such as symbol-based communication systems and voice output, enhance accessibility and enable individuals with autism to express themselves more effectively.
- Increased Independence: By using dedicated AAC devices, individuals with autism can gain greater independence in expressing their thoughts, needs, and desires. This can lead to increased self-confidence and a sense of empowerment.
- Consistency: Dedicated AAC devices offer consistent and reliable communication support, allowing individuals with autism to communicate consistently across different settings and with different communication partners.
While dedicated AAC devices have numerous advantages, it's important to consider certain factors before selecting a device, such as cost, portability, and ease of use. Consulting with a professional, such as a speech-language pathologist or assistive technology specialist, can help in making an informed decision regarding the most suitable dedicated AAC device for an individual with autism.
By exploring the features, examples, and considerations of dedicated AAC devices, individuals with autism and their caregivers can make informed choices to support effective communication and enhance overall quality of life.
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