Finding Their Voice: Augmentative and Alternative Communication Explained

Have you ever seen someone using pictures to communicate or met someone who talks with a device that makes sounds? These are both examples of augmentative and alternative communication (AAC)! AAC is a broad term that encompasses any strategy or tool that helps people communicate when speaking is difficult or impossible.

Whether it’s a simple picture card or a high-tech device, AAC empowers people of all ages to express themselves and connect with the world around them. Let’s delve deeper into what AAC is and how it can make a difference!


What Augmentative Communication Is All About:

Supporting Existing Speech: 

Imagine someone who stutters or has trouble forming words clearly. AAC tools like picture cards or sign language can give them a helpful boost, allowing them to express themselves more easily and confidently.

Clarity in Communication: 

Sometimes, spoken language alone might not be enough. AAC can add pictures, symbols, or gestures to spoken words, making the message clear and crystal-clear for everyone involved.

Confidence and Independence: 

Being able to communicate effectively builds self-esteem. AAC helps people express their needs, wants, and ideas, increasing their independence in daily activities and social interactions.

Aiding Development: 

AAC can play a role in language development by providing tools for expressing thoughts and ideas. It can also help with social development by fostering communication and interaction with others.

Simple or High-Tech: 

AAC doesn’t have to be complicated! It can involve anything from pointing to pictures to using a sophisticated speech-generating device. The beauty of AAC is its versatility in catering to individual needs.

Alternative Communication Explained:

Replacing Spoken Language: 

For individuals who are non-speaking, AAC becomes their primary way to communicate. AAC empowers them to find their voice and express themselves in a way that works best for them.

Specialized Tools: 

This may involve speech-generating devices with buttons or touchscreens that allow users to select words or phrases to create messages. These devices can be customized for the individual, giving them a powerful tool for communication.

Customization for Individual Needs: 

AAC systems can be tailored to the user’s abilities and preferences. There are options for different types of symbols, voices, and ways to access the device, ensuring everyone has a communication method that feels comfortable and effective.

Promoting Social Interaction: 

Even without spoken language, AAC allows people to participate in conversations, ask questions, and share their thoughts and feelings. It breaks down barriers and fosters meaningful connections.

Constant Development: 

The world of AAC is constantly evolving, with new technologies and tools emerging to provide even more effective communication options. This means there are always exciting possibilities on the horizon!

The 3 Types of AAC:

AAC comes in a variety of forms, from simple to complex, to suit different needs and abilities. Here’s a breakdown of the different types:

Unaided AAC: 

This refers to natural communication methods that don’t require any special tools. We’re talking facial expressions, gestures, body language, pointing, and even vocalizations like sounds or signs. These are all valuable ways to communicate!

Low-tech AAC: 

These are simple, non-electronic tools that can make a big difference. Think picture boards with symbols or words, communication books with pre-organized pages for specific situations, or even alphabet boards for spelling out words. Low-tech AAC is a great way to get started with communication support.

High-tech AAC: 

These are electronic devices that use technology to generate speech, text, or both. Speech-generating devices (SGDs) are a common example, with buttons or touch screens that allow users to select symbols or words to create sentences. Apps on tablets or smartphones can also function as AAC tools, making communication accessible and portable.

Uses of AAC Devices to a Child:

AAC devices can be life-changing for children who have difficulty speaking. Here’s how they can benefit:

Increased Independence: 

AAC allows children to communicate their needs and wants, giving them more control over their environment and fostering a sense of independence. They can finally express themselves and be understood!

Improved Social Interaction: 

With AAC, children can participate in conversations, play games, and build relationships with others. This reduces feelings of isolation and helps them feel included in the fun.

Enhanced Emotional Development: 

Being able to express themselves effectively can help children manage their emotions and build self-esteem. When they can say what they’re feeling, they feel heard and understood.

Supported Learning: 

AAC can be a valuable tool in education, allowing children to participate in classroom activities, ask questions, and demonstrate their understanding. They can actively engage in learning and show what they know!

Boosted Confidence: 

Effective communication builds confidence! AAC empowers children to express their ideas and opinions, helping them feel valued and included. They can participate confidently, knowing they have a voice that can be heard.

 

How to Interact with Children Who Use AAC

Children who use AAC communicate differently, but that doesn’t mean you can’t have fun and engaging interactions with them! Here are some tips:

Get down to their level: 

Make eye contact and speak slowly and clearly. This shows them you’re paying attention and interested in what they have to say.

Pay attention to body language and gestures: 

These can provide additional cues to what the child is trying to communicate. A furrowed brow might mean frustration, while a big smile could indicate happiness. Pay attention to the nonverbal cues!

Give them time to respond: 

Using AAC can take more time than speaking, so be patient and wait for the child to choose their message. Rushing them can be frustrating, so let them communicate at their own pace.

Keep it positive and encouraging: 

Celebrate their communication attempts, no matter how big or small. Show them you’re interested in what they have to say and that their communication is valued.

Make it interactive: 

Use games, songs, and activities that encourage communication and participation. This can make learning and interacting fun and engaging for everyone involved.

Remember, AAC is a journey, not a destination. By understanding the different types and benefits of AAC, we can create a more inclusive and supportive environment for everyone to communicate and thrive. AAC opens doors to a world of possibility, empowering people to connect, learn, and express themselves in meaningful ways. Let’s embrace the potential of AAC and celebrate the voices it helps us hear!

 

 

 

Best Communication Assistive Technology’s for Special Education Students

Best communication assistive technology’s for Special Ed students.

Name

Pros

Cons

Best For

Proloquo2Go (iOS)

    • Robust features, extensive symbol library, and highly customizable vocabulary and speech options
    • Requires purchase
    • Need SLP guidance for optimal setup
    • Those with Autism Spectrum Disorder (ASD), Apraxia of Speech, or Intellectual Disabilities

TouchChat (iOS, Android)

    • User-friendly interface
    • Customization options for layouts, buttons, and voices
    • Offers text prediction and environmental controls
    • Requires purchase and complex features
    • Individuals with some existing communication skills (Useful for conditions like Dysarthria or Aphasia)

LAMP Words for Life (iOS, Android)

    • Free app with a variety of pre-made boards
    • Offers features like voice recording and customization options
    • Limited customization compared to paid AAC apps.
    • Not suitable for very complex communication needs
    • Individuals who need a introduction AAC system to start communicating basic wants and needs

Voice Dream Reader (iOS)

    • Reads various document formats aloud, highlights text as it’s being read, and allows for adjustments in speed and voice
    • Requires heavy cost purchase
    • Those who struggle with reading and benefit from listening to text being read aloud.

Look to Learn Social (iOS, Android)

    • Provides interactive exercises and games to teach crucial social communication skills like greetings, turn-taking, and identifying emotions
    • Requires heavy cost purchase
    • Children with ASD or social-emotional learning needs who can benefit from structured practice on social communication skills.

MojiTalk (iOS, Android)

    • Combines social stories with animation to help users understand social situations
    • Glitches can occur
    • Children on the autism spectrum who benefit from learning about social situations through visual stories.

Predictable (iOS, Android)

    • Offers sentence building, and text-to-speech functionality, aiding written communication
    • Lacks some advanced grammar and punctuation features.
    • Individuals who struggle with spelling and require assistance with written communication (Dyslexia)

Dodeca Speak (iOS)

    • Users can create and import personalized symbols
    • Free version has limited features.
    • Paid version required for full functionality.
    • Individuals who benefit from a highly customizable AAC system with the ability to create and use personal symbols.

Ava (iOS, Android)

    • Real-time speech-to-text transcription app that can be particularly helpful in group conversations
    • Accuracy may vary depending on background noise and speaker clarity.
    • Individuals with hearing difficulties who need speech-to-text assistance in live communication situations.

Best Assistive Technology’s for Special Education Students

Here are the best assistive technology’s for special education students.

Category

Product

Pros

Cons

Best For

Visual Impairment

Orca Screen Reader

    • Works on computers, tablets, smartphones,
    • Offers settings like voice and reading speed,
    • Translates text to Braille 
    • Requires purchase
    • Has a learning curve for complex features.
    • Students with visual impairments who need to access digital text on various devices in both speech and Braille formats.

Visual Impairment

Enhanced Vision

    • Magnifies material for easier reading
    • Adjustable magnification levels for different needs,
    • Color and contrast adjustments for improved visibility.
    • Can be expensive depending on features
    • Requires positioning the device for optimal viewing.
    • Students with visual impairments who need to magnify text in books, worksheets, or other printed materials.

Learning Disabilities

MindMeister 

    • Free basic plan
    • User-friendly interface for creating mind maps
    • Collaborative features
    • Paid plans required for advanced features like unlimited mind maps and multimedia attachments.
    • Students with learning disabilities who benefit from visual organization. Mind maps can help with outlining ideas and studying for tests.

Learning Disabilities

Cozi

    • Free basic plan features like calendars and to-do lists
    • Family-oriented app for shared organization and easy to use interface.
    • Limited features in the free plan
    • Requires internet connection for full functionality.
    • Students who struggle with time management and organization.

Calming and Focus Tools

ESpecial Needs

    • Inexpensive
    • Allows for discreet movement to release nervous energy
    • Helps improve focus and concentration
    • Can be distracting to others in quiet environments
    • Students who benefit from fidgeting to improve focus and manage anxiety.

Calming and Focus Tools

Bose SpecialQuietComfort 35 II

    • Blocks out background noise
    • Can improve focus and concentration in distracting settings
    • Can be expensive
    • Requires frequent battery power.
    • Students who are easily distracted by noise in classrooms, libraries, or other study environments.

Physical Disabilities

Snap&Read Screen Overlay Software

    • Reduces visual clutter on computer screens by highlighting text, masking distractions, and color overlays.
    • Requires purchase
    • May not be compatible with all software programs.
    • Students with dyslexia or visual processing difficulties who struggle with distractions on the computer screen.

Speech Disorders

Speechify

    • Converts written text into sounding speech for reading needs
    • Offers dyslexia-friendly fonts and features for improved reading comprehension.
    • Requires purchase
    • May require an internet connection for some features.
    • Students with dyslexia or other reading difficulties who benefit from having text read aloud.

Hearing Impairments

Roger System

    • Advanced FM system with directional microphones that focus on the speaker’s voice
    • Reducing background noise significantly in classrooms
    • Requires purchase for both the teacher’s microphone and student receiver
    • May require classroom setup adjustments.
    • Students with hearing impairments who struggle to hear in noisy environments

Autism Spectrum Disorder (ASD)

Social Thinking Curriculum

    • Comprehensive social skills curriculum with activities and resources to teach social communication and social interaction skills.
    • Requires purchase of materials or training for educators
    • May require adaptation for individual student needs.
    • Students with ASD who need structured learning and practice to develop social communication skills.

Attention Deficit Hyperactivity Disorder (ADHD)

Focusbooster Pomodoro Timer App

    • Uses the Pomodoro Technique with work and break intervals
    • Improves focus and time management
    • Offers visual timers and data tracking to monitor progress.
    • Requires purchase for the premium version with all features
    • Students with ADHD who benefit from structured work sessions with short breaks to improve focus and manage time effectively.

Understanding Communication Disorder

Communication is our bridge to the world. It allows us to share our thoughts, build relationships, and learn. But for some individuals, this bridge can be cracked or incomplete. Communication disorders affect millions of people worldwide, impacting their ability to understand and express themselves effectively. This blog post, intended for parents, educators, and anyone interested in special education, will provide an overview of the four main categories of communication disorders. By understanding these challenges, we can better support those who navigate the complexities of communication.

Speech Disorders: The Mechanics of Speech Production

Speech disorders affect the way individuals produce speech sounds. This can manifest in a variety of ways, including:

  • Articulation Disorders:

    Imagine a child who consistently says “wadio” instead of “radio.” Articulation disorders involve difficulty producing specific sounds or sound combinations. This can be caused by problems with tongue placement, lip rounding, or coordination of the oral muscles. While articulation errors are common in young children, persistent issues can impact a person’s ability to be understood clearly.
  • Fluency Disorders:

    Fluency disorders, like stuttering, disrupt the natural flow and rhythm of speech. Individuals with stuttering may experience repetitions of sounds or syllables, blocking while trying to speak, or prolongations of certain sounds. Fluency disorders can be incredibly frustrating and can sometimes lead to anxiety around communication.
  • Voice Disorders:

    Our voices are unique instruments, but sometimes these instruments go out of tune. Voice disorders affect the quality, pitch, or volume of an individual’s voice. This could include hoarseness, breathiness, or difficulty controlling vocal volume. Voice disorders can be caused by overuse, misuse, or medical conditions.

Language Disorders: Understanding and Using Language

Language disorders encompass difficulties with comprehending and using spoken or written language. These can affect a person’s ability to:

  • Receptive Language:

    Have you ever met someone who struggles to follow conversations or seems confused by instructions? This could be a sign of receptive language disorder. Individuals with receptive language difficulties may have trouble understanding the meaning of words, following directions, or grasping complex information.
  • Expressive Language:

    Expressive language disorders affect an individual’s ability to use spoken or written language to express themselves. This can manifest in limited vocabulary, difficulty forming sentences grammatically, or challenges with using language for different purposes (e.g., storytelling vs. giving instructions). These challenges can make it frustrating for individuals to share their thoughts and ideas.
  • Pragmatic Language:

    Social situations require more than just words. Pragmatic language disorders affect an individual’s ability to understand and use language appropriately in different social contexts. This can involve challenges with taking turns in conversation, interpreting non-verbal cues like facial expressions, or understanding humor. Imagine someone who talks incessantly about their favorite topic without noticing the other person’s boredom – this could be a sign of pragmatic language difficulties.

Hearing Disorders: When the World Goes Quiet

Hearing disorders can significantly impact communication by affecting a person’s ability to detect or interpret sound waves. Here are the three main categories:

  • Conductive Hearing Loss:

    Sometimes, the problem lies in the mechanics of hearing. Conductive hearing loss occurs when there’s an obstruction in the outer or middle ear, preventing sound waves from reaching the inner ear effectively. This obstruction could be caused by earwax buildup, fluid in the middle ear, or a malformed ear canal.
  • Sensorineural Hearing Loss:

    Damage to the inner ear or auditory nerve can lead to sensorineural hearing loss. This affects the ability to detect or interpret sound waves, even if the outer and middle ear function normally. Sensorineural hearing loss can be caused by genetics, aging, noise exposure, or certain medical conditions.
  • Mixed Hearing Loss:

    As the name suggests, mixed hearing loss is a combination of conductive and sensorineural hearing loss. This can result from a combination of factors affecting different parts of the auditory system.

Central Auditory Processing Disorders (CAPD): The Brain Makes the Connection

Central Auditory Processing Disorders (CAPD) refer to a difficulty processing auditory information despite normal hearing ability. Individuals with CAPD may experience challenges in:

  • Understanding Speech in Background Noise:

    Imagine struggling to follow a conversation in a crowded restaurant. This is a common issue for people with CAPD, who may have difficulty filtering out background noise and focusing on the desired sounds.
  • Following Multi-Step Directions:

    Processing auditory information quickly and efficiently is crucial for following instructions. Individuals with CAPD may struggle to remember or understand complex instructions, especially if presented in a noisy environment.
  • Distinguishing Similar Sounds:

    The human brain is remarkable at differentiating sounds, but CAPD can disrupt this ability. People with CAPD may have difficulty telling the difference between similar-sounding words, leading to confusion and misunderstandings.

By understanding these different communication disorders, we can better support individuals who face challenges in expressing themselves and comprehending the world around them. In future blog posts, SpecialThinkers.com will dive deeper into specific communication disorders and share inspiring stories of individuals who have overcome communication challenges. Remember, communication is a journey, and with the right support, everyone can find their voice and unlock their full potential.

Understanding Different Learning Styles

As parents and educators, we all want to see our children thrive academically. But in the world of special education, one size doesn’t fit all. Every child has a unique way of absorbing and processing information. Understanding these different learning styles can be the key to unlocking your child’s full potential.

 

Why Learning Styles Matter:

When we use our teaching methods to a child’s preferred learning style, magic happens. Engagement skyrockets because the material is presented in a way that makes sense to them. This increased engagement leads to better comprehension and knowledge retention. Most importantly, when children experience success, their confidence soars, and they develop a genuine love for learning and exploration.

 

The Learning Styles Spectrum:

While every child is unique, there are four primary learning styles:

  1. Visual Learners: These children learn best through visual aids like charts, graphs, and pictures. They may doodle while listening or prefer written instructions.

  2. Auditory Learners: These students thrive on lectures, discussions, and audiobooks. They might talk to themselves while problem-solving or hum while working.

  3. Kinesthetic Learners: These active learners need movement and hands-on activities. They excel with manipulatives, role-playing, or any task that gets them out of their seats.

  4. Verbal Learners: These children love words, both written and spoken. They enjoy discussions, giving explanations, and often excel at writing.

It’s important to note that most children don’t fit neatly into one category. They often have a blend of these styles, with one or two being more dominant.

Teaching Strategies for Diverse Learners:

  1. Multi-sensory Approach: Incorporate elements for all learning styles in each lesson. For example, when teaching a new concept, use visuals (diagrams), auditory elements (explanations), and kinesthetic activities (hands-on practice).

  2. Differentiated Instruction: Vary how you present information, how students practice, and how they demonstrate understanding. This flexibility ensures every child has a pathway to success.

  3. Student Choice: Let students choose how they show what they’ve learned. A visual learner might create a poster, while a verbal learner might give a presentation.

Beyond the Basics:

  1. Integrate Interests: When lessons incorporate a child’s passions, motivation soars. A space-loving kinesthetic learner might grasp gravity better by bouncing balls of different weights.

  2. Calm, Organized Environment: All learners, especially those with sensory sensitivities, benefit from a structured, clutter-free space.

  3. Social-Emotional Learning: Emotional well-being is the foundation of academic success. Activities that build resilience, empathy, and self-awareness support all types of learners.

Making it Personal: Activities for Different Styles:

  1. Visual: Create concept maps, illustrate vocabulary words, or use color-coding for organization.

  2. Auditory: Listen to recorded lectures, participate in group discussions, use mnemonics for memorization, or enjoy audiobooks.

  3. Kinesthetic: Engage in role-playing historical events, build 3D models, conduct science experiments, or use math manipulatives.

  4. Verbal: Participate in debates, lead discussions, summarize lessons in their own words, or create stories using new vocabulary.

Beyond the Classroom: Learning at Home:

  1. Visual: Use drawings or diagrams to solve problems, create visual schedules, or make flashcards.

  2. Auditory: Listen to educational podcasts, discuss topics over dinner, or enjoy family audiobook sessions.

  3. Kinesthetic: Turn chores into games, incorporate movement into learning (jump while spelling), or apply academic concepts to sports or hobbies.

  4. Verbal: Talk through homework problems, play word games, or have storytelling nights.

Key Takeaways:

  1. Student Input is Crucial: Talk to your child about what works best. They often have insightful self-awareness about their learning preferences.

  2. Collaboration is Powerful: Work closely with teachers to develop a learning plan that leverages your child’s strengths.

  3. Celebrate Progress: Remember, the effort and the journey are just as important as the method. Celebrate every step forward!

Every Mind is Special: Understanding Common Types of Special Education Needs

Every child learns differently, and some students require extra support to thrive in the classroom. Special education services cater to a wide range of needs, ensuring all students have the opportunity to reach their full potential.

Specific Learning Disabilities (SLD):

SLD is a term used for a group of disorders that can affect reading, writing, math, reasoning, listening, and speaking. Children with SLD are often intelligent and capable, but they may learn differently than their peers. Special education services can provide targeted instruction and support to help them succeed in school. Common examples of SLD include dyslexia, dyscalculia, and dysgraphia. With the right interventions and accommodations, students with SLD can develop effective learning strategies and achieve academic success.

Speech or Language Impairment:

Speech or language impairments can affect a child’s ability to communicate effectively. This may involve difficulty understanding language, forming sounds, or expressing themselves clearly. Speech-language pathologists can work with children to improve their communication skills. These impairments can range from articulation disorders, where a child has trouble producing certain sounds, to more complex language disorders that impact receptive and expressive language abilities. Early intervention and therapy are crucial for helping children develop age-appropriate communication skills.

Emotional Disturbance (ED):

Students with ED may experience significant challenges managing their emotions and behavior in the classroom. Special education services can provide social-emotional learning support, helping them develop coping mechanisms and build positive relationships. ED can manifest in various ways, such as anxiety, depression, or disruptive behavior disorders. A comprehensive approach that addresses the underlying emotional needs is essential, often involving counseling, behavior management strategies, and a nurturing classroom environment.

Autism Spectrum Disorder (ASD):

ASD is a developmental disability that affects social communication and behavior. Children with ASD may have difficulty with social interaction, repetitive behaviors, and sensory processing. Special education services can provide a structured learning environment and therapies to meet their individual needs. ASD encompasses a wide spectrum, with varying degrees of severity and associated characteristics. Interventions may include applied behavior analysis, social skills training, and accommodations for sensory sensitivities.

Intellectual Disability (ID):

Students with ID may have significant limitations in intellectual functioning and adaptive behavior, which refers to skills needed for daily life. Special education services can provide individualized instruction, focusing on functional life skills and academic development appropriate for their learning pace. ID can range from mild to severe, and early intervention is crucial for maximizing a child’s potential. In addition to academic support, special education services may address self-care, social skills, and vocational training.

Other Health Impairment (OHI):

This category encompasses a wide range of health conditions that can impact a child’s learning, such as chronic illness, diabetes, or ADHD. Special education services can provide accommodations and support to ensure these students can fully participate in school. OHI can include physical disabilities, chronic medical conditions, or neurological disorders that affect a child’s ability to learn and function in the classroom. Accommodations may involve modifications to the classroom environment, assistive technology, or specialized instructional strategies.

Understanding different types of special education needs is essential for creating inclusive learning environments. By providing appropriate support and addressing individual needs, we can empower all students to achieve their goals and reach their full potential. If you have questions about a child’s specific needs, reach out to a qualified professional like a teacher, counselor, or school psychologist.

My 1st Day in a Special Education Class

My friend invited me to come join them in the special ed room during lunch where they play games with students with disabilities. At first, I felt a knot of anxiety in my stomach – interacting with kids who have severe disabilities was totally an unfamiliar territory. What if I said or did the wrong thing? But I knew isolating myself from this experience was rooted in ignorance, so I got the courage to accept. “Yes, I’ll come.”

The second I stepped into Room 64, the special education room at my high school, it was like stepping into a completely new reality. There were about 12 students, each facing challenges I had never truly understood or appreciated before. Simple tasks non-disabled people take for granted were an immense struggle for all 12 of them.

The classroom went silent as Mario attempted to stand up from his wheelchair. His frail body trembled with the effort, every muscle tightening and straining against his neurological condition. Rows of sweat formed on his eyebrows as he gripped the armrests and his knuckles turning white. For a couple of minutes, Mario violently rocked back and forth, pressuring his arm muscles against his wrists as he white-knuckled the armrests. Finally, with one last torturous cry, he swung himself up to a standing position. But the battle wasn’t over – his legs trembled uncontrollably, his bare bone struggling lacking the strength to support his body’s frame. He swayed there, chest heaving, fighting against the relentless pull of gravity to remain upright as he caught his ragged breath.

Across the room, Jada’s fight to independently feed herself was equally as gut-wrenching. The neurological condition causing her hands to tremor and shake uncontrollably made a simple self-care task excruciatingly difficult. Her delicate hand shook intensely as she reached down with a stressed face to grip her plastic spoon. The violent tremors shook her limbs causing half the applesauce to immediately slop over the sides and puddle on the tray before she could even lift the utensil. But the girl didn’t give up. Her tiny tongue peeked out from the corner of her mouth in a painfully adorable expression of intense concentration and determination. With great effort, she adjusted her grip, bringing her shaky fingers around the spoon’s handle once more before raising it a few inches towards her lips.

I watched with my heart utterly shattering in my chest as the spoon clanked against her teeth, splattering more mushy applesauce across her sweet face. Her face even more stressed, face straining as she forced her uncooperative hand to remain steady, just for a moment. Another violent shake pulsed through her arm, causing the spoon to fly off wildly as small pieces of food tumbled between her lips and dribbled down her chin. But Jada’s spirit could not be broken. She clenched her jaw tighter, stabbing the spoon back into the pasty snack as her arm jerked, undetermined in her mission to eat a significant bite that my body simply eats without a thought.

After that first lunch, I knew I could not just leave it at that one visit – I had to do more. Seeing the amazing determination of students like Mario and Jada as they worked so hard for basic tasks really opened my eyes. I felt so humbled and now had a strong purpose – I may not be able to cure their disabilities, but I could dedicate myself to making their lives a little bit easier by being kind, helping out, and speaking up for them. I got some other students together to start a club at my high school where we could build understanding, respect, and real friendships between the students in room 64 and the rest of the students. It has been difficult work, but I feel good knowing we are standing alongside these brave students to create a school that welcomes everyone.