assistive technology
TRANSCRIPT
Assistive technology benefits
For those that provide services to individuals with Down syndrome, there are increasing
computer options. There is always a need to evolve the teaching strategies so there is a lot to
consider. Computers and communication aids are tools that can be used to meet these needs.
Down syndrome individuals work to get effective communication skills and thereby meeting
their basic needs in developing self dependency, having a social life and having an education.
Education technology tools can help those with Down syndrome achieve and perform
communication behaviors’ that are challenging to them.
Some of the skills achievable with the use of assistive technology (AT) tools are:
- Gaining social relationships with others
- Grasping sentences that are longer
- Use combinations of words to create longer sentences
- Being able to express themselves with alternative words and sentences
- Using symbols (i.e., words) to express themselves
- Elaborating on thinking skills in relation to communication
A main aim for those with Down syndrome is for them to be able to express themselves and
chat about their interests and any experiences that were either in the past, future or how they
presently feeling by using symbols (i.e., words) that others may understand. Assistive devices
can assist children with Down syndrome to express themselves better.
The role of computers and communication aids
Communication aids and assistive technology devices can assist in 2 primary ways.
Technology in education that involves activities with instructions where the technology helps
the child better express themselves. As educational technology, the AT tools are not meant as
a replacement for teaching but rather an extra aid. These may be part of a more
comprehensive teaching pack that includes role-playing, discussion groups, and hands on
learning experience. As assistive technology, communication aids help extend and enhance
the skills that a person may already have. It may be a temporary or lifelong communication
device. An example is that older children with Down syndrome with more limited speech can
use a speech output technology to converse on the telephone where the computer assists the
person to talk.
Features of computers for educating children with Down syndrome
There has been identification by educators that motivation of the use of technology in
education as positive contributions to learning. The animations, pictures and sound features
help stimulate a child’s interest in discovering and exploring. Other characteristics that support
with language or learning problems are:
- The knowledge that the person can have an effect on their surrounding which in turn
helps with self confidence.
- The computer repeats positive feedback on actions
- The computer is forgiving and never impatient
- The children can go at their own pace
Intervention teams should investigate options when considering computers for teaching
communication. There is a focus on pronunciation, volume and speed of talking. Here
language skills involve learning to use words to articulate ideas. The software used is often of
high interest, with sounds and music that stimulate. The software can even permit the user to
choose and create their own new story through pre programmed stories. There may be plenty
of variations on words to request items, pose questions and comments. The effectiveness
however lies mostly with the person providing education. Software programs can have specific
features that can promote communication skills, namely:
- Highlighting and bringing attention to a important message on the screen
- Animation
- Specific pictures that help achieve the task
- Presenting one idea per display
- Immediate feedback
For those with cognitive impairment, speech output is another useful feature. These are
normally pre programmed messages that instruct them in a clear and concise manner. Speech
output assist in describing and labeling actions and objects on the screen, this information
helps the child’s earlier understanding of words and what they mean making technology in
the classroom a useful tool.
Features of communication aids
Communication aids or augmentative and alternative communication (AAC) systems include
methods that are unaided (examples are pantomime, gestures, American Sign Languages) as
well as aided methods of communication. Low-technology communication aids are books,
communication boards and wallets. The individual with Down syndrome expresses themselves
by indicating on the screen. The person receiving the communication should be near during
the conversation. High-technology aids have typically speech and voice output and are
normally portable and can be attachable to a person’s wheelchair. The child chooses symbols
and the symbols are output in speech. Symbols are on both high and low technology aids to
represent ideas and thoughts that a person wants to convey. The primary focus of using
speech remains paramount for children with Down syndrome.
“Reports from parents and instructors show the positive effect of the use of communication
aids on a Down syndrome child’s ability to recognize a word by sight and to understand the
relationship between the letters and its sounds. “
Here is a summary of the assistive technology devices symbol features that support language
learning:
Symbols are visual: The symbols are simple to understand and concrete. They consist of real
objects, photographs and line drawings. Visual learning is thought to be better then verbal
learning for children with Down syndrome it is thought by researches. Given that middle ear
infections and hearing loss are frequent with children with Down syndrome, the extra visual
information seems more relevant. The educators can supplement their speech by referring to
the symbols.
Symbols are permanent: The characteristic of the symbols being constant giving the child
more time to think about the associated meanings with the symbol and when wanting to
express an idea, they do not need to try remember which symbol to reference, they only have
to quickly recognize it. The recognition requires less thinking and memory skills then does
recalling. Here expressing ideas became less taxing than expressing using other forms of
communication like speech or the sounds associated with a particular word.
Symbols that are easy to recognize: The symbols used look like objects, actions and people
they represent. Its close physical resemblance (iconicity), aims at reducing the time the child
needs to learn the symbol and start using them. Because the symbols are iconic the people
interacting with the user can quickly understand or guess the meaning further facilitating the
communication. This all aims to move communication to a less restrictive and natural means.
Low-technology systems can help with face to face communication and the high-technology
for speech output in group chat activities for example.
Limited motor skills required for communication: Both low and high technology aids require
the child to use a desired a symbol for communication. For the majority of Down syndrome
children this means pointing to a symbol. Depending on the child’s need, the symbols size can
be adjusted. No significant use of motor coordination or strength is required.
Easy to construct cheap disability aids: Newer technology is making it easier for
communication board displays to be constructed. Once the displays are created, they can be
saved to disk. In the event of something happening to the communication aid, the
communication board can now easily be retrieved and printed, this making it easier for
teachers to incorporate this into their teaching programs. In this manner cheap disability aids
are a form of technology in the classroom that is quickly gaining popularity as technology in
education is becoming more accessible.
The support of early reading skills: There is normally a word above the symbol with a clear
pronunciation of the word which in turn can aid in reading skills.
How AT assists communication
There are several aspects that Down syndrome children struggle to master in regards to
speech, learning words and understanding words. Each child can be assessed by an
intervention team and primary areas of communication development can be targeted. Here
are a few typical difficulty areas for Down syndrome children and how assistive technology
along with appropriate teaching, can be used.
The support of thinking skills through educational technology
Due to cognitive impairment children with Down syndrome have difficulties with
understanding basic ideas in regards to language learning like sequencing skills, classifications,
categorization skills and cause-and-effect relationships. Without knowledge of cause-and-
effect relationships, the individual will have difficulty in understanding how the use of words
can help them get what they need. Through play and activities an intervention team will
stimulate a child’s understanding of cause-and-effect. There is also software that action results
in outcomes. Educational technology and adaptive input devices are often needed for children
with thinking or motor impairments. With the right input device the child can better focus on
learning. Here are a few typical examples of adaptive inputs for individuals that have cognitive
impairments:
Touch Window. A window that is placed on the computers monitor that on touching it, it
activates the computer.
Touch pad. This is a large area where there may be pictures and the user can activate the
computer by touch.
Alternative keyboard. These are keyboards of different sizes that can be adjusted by changing
the keys and the labels on the keys.
Single switches. By touching it, it activates software.
The cause –and –effect action is well demonstrated here with the touch screens.
Prompt-free instruction strategies are found to be a helpful approach where there are no
verbal, prompts or cues, where the child’s actions, whether purposely or accidentally will
highlight the idea of being taught via the use of this educational technology. An example of
using this strategy to demonstrate cause-and effect is when a large touch window is placed
near to the child’s hand. Due to its proximity to the hand, it will likely be touched and the
picture on the screen will change. After a while the team may set it up so that a more
purposeful and intentional action is required. Here in this example the input method can be
changed from the touch screen to a key on the keyboard. The child’s aim is now to activate the
key hence showing this action will affect the picture being shown. Throughout this experience
the instructors refrain from giving away any verbal prompts at all with the desired aim for the
child to be directing their own learning and functioning independently.
Learning to use symbols
The use of spoken words by Down syndrome children is slow normally, and teams will notice
that the child may have acquired fewer words then other children. Here aided and unaided
methods of AAC are options for developing the child’s communication. The use of visuals
significantly reduces the challenges to memory and the motor system that are important
aspects lacking in a child with Down syndrome. There are several training approaches that are
helpful in introducing children to symbols. A child may for example observe others using the
symbols for communicating within activities. Here imitation is a good strategy as children
normally imitate other children. While speaking the instructor points to the related object. It is
at times suggested to use short, grammatically complete sentences while instructing. Speaking
slowly and avoiding direct questions and the use of activities that are familiar and playful are
encouraged for those children that are cognitively young. Here children lacking in hearing loss,
attention problems or slower thinking skills, will benefit the most. At times various choices can
be offered, for example where a child is asked if they want A or to do B where the questioned
is structured in a manner designed to have a specific answer. The aim of the structured
strategy is to get the child to use one of their symbols. This technique is called environment
engineering.
“The kind of assistive technology or communication aid is determined based on factors like a
need for a voice, number of required messages and portability.”
Alternative Methods to Express Ideas when speech is difficult
Children with Down syndrome may at time when their speech is not comprehensive, use
alternative methods. Here both low and high-technology can be beneficial. The investigation
team while investigating assistive technology must assess the child’s ability to express and
communicate in real life settings like in a classroom and see how educational technology can
assist. The surrounding family can indicate what words and phrases the person is having
difficulty with. In some situations the difficulty may not be so obvious and more direct
observation is needed in different situations. Here the observer notes the type of thing
wanting to be expressed, what is trying to be said, and the success of what is trying to be
achieved. Later on the investigating team will help the Down syndrome child with what
symbols would have best been appropriate. The kind of assistive technology or
communication aid is determined based on factors like a need for a voice, number of required
messages and portability.
Written by AssistiveMart