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This page shows a glossary of terms included in the contents of AT Observatory. When clicking on the chosen term, the glossary page is left and the contents in which it has been used as a label will appear. In previous versions of TecnoAccesible, a glossary of technology, another of functional diversity and another of standardization were included; All three have been unified in this version.

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High-tech AAC aids permit the storage and retrieval of electronic messages, with most allowing the user to communicate using speech output. Such devices are known as speech generating devices (SGD) or voice output communication aids (VOCA). A device's speech output may be digitized and/or synthesized: digitized systems play recorded words or phrases and are generally more intelligible while synthesized speech uses text-to-speech software that can be harder to understand but that permits the user to spell words and speak novel messages.

High-tech systems may be dedicated devices developed solely for AAC, or non-dedicated devices such as computers that run additional software to allow them to function as AAC devices. They may be static or dynamic in form. Static communication devices have symbols in fixed positions on paper overlays, which are changed manually. To increase the vocabulary available, some static devices have multiple levels, with different words appearing on different levels. On dynamic AAC devices, the user can change the symbols available using page links to navigate to appropriate pages of vocabulary and messages.

Source: Wikipedia (http://en.wikipedia.org/wiki/AAC_device#High-tech)

In the fields of physical security and information security, access control is the selective restriction of access to a place or other resource. The act of accessing may mean consuming, entering, or using. Permission to access a resource is called authorization.

In the context of assistive technologies, Access method is the procedure of hardware or software access to the computer or other devices.

To enable persons with disabilities to live independently and participate fully in all aspects of life, States Parties shall take appropriate measures to ensure to persons with disabilities access, on an equal basis with others, to the physical environment, to transportation, to information and communications, including information and communications technologies and systems, and to other facilities and services open or provided to the public, both in urban and in rural areas.

Source: Convention on the Rights of Persons with Disabilities

Accessibility [...] is defined as meaning that people with disabilities have access, on an equal basis with others, to the physical environment, transportation, information and communications technologies and systems (ICT), and other facilities and services in line with the UN Convention on the Rights of Person with Disabilities.

Source: European Accessibility Act: legislative initiative to improve accessibility of goods and services in the Internal Market

Accessibility is the degree to which a product, device, service, or environment is available to as many people as possible. Accessibility can be viewed as the "ability to access" and benefit from some system or entity. The concept often focuses on people with disabilities or special needs (such as the Convention on the Rights of Persons with Disabilities) and their right of access, enabling the use of assistive technology.

An accessible physical environment benefits everyone, not just persons with disabilities. The Convention states that measures should be undertaken to eliminate obstacles and barriers to indoor and outdoor facilities including schools, medical facilities and workplaces. These would include not only buildings, but also footpaths, curb cuts, and obstacles that block the flow of pedestrian traffic.

A game is structured form of play, usually undertaken for enjoyment and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more often an expression of aesthetic or ideological elements. However, the distinction is not clear-cut, and many games are also considered to be work (such as professional players of spectator sports or games) or art (such as jigsaw puzzles or games involving an artistic layout such as Mahjong, solitaire, or some video games)[1]. An accessible game is a game designed or adapted for people with disabilities[2].

Accessible design game are toys and games for the general consumer market which are also fully enjoyable by disabled children.

Accessible publishing is an approach to publishing and book design whereby books and other texts are made available in alternative formats designed to aid or replace the reading process. Alternative formats that have been developed to aid different people to read include varieties of larger fonts, specialised fonts for certain kinds of reading disabilities, Braille, e-books, and automated Audiobooks and DAISY digital talking books.

Accessible technology enables individuals to adjust a computer to meet their visual, hearing, dexterity, cognitive, and speech needs. Types of accessible technology studied include both accessibility options built into products (such as options that change font size and color) and assistive technology products (specialty hardware and software products such as a screen reader or voice recognition product).

Accessible tourism is the ongoing endeavour to ensure tourist destinations, products and services are accessible to all people, regardless of their physical limitations, disabilities or age. It encompasses publicly and privately owned tourist locations.

Active ageing means growing old in good health and as a full member of society, feeling more fulfilled in our jobs, more independent in our daily lives and more involved as citizens. No matter how old we are, we can still play our part in society and enjoy a better quality of life. The challenge is to make the most of the enormous potential that we harbour even at a more advanced age.

Acupuncture is a form of alternative medicine in which thin needles are inserted into the body. It is a key component of traditional Chinese medicine (TCM). TCM theory and practice are not based upon scientific knowledge, and acupuncture is a pseudoscience. There is a diverse range of acupuncture theories based on different philosophies, and techniques vary depending on the country. The method used in TCM is likely the most widespread in the United States. It is most often used for pain relief, though it is also used for a wide range of other conditions. Acupuncture is generally used only in combination with other forms of treatment.

A toy adapted is a toy accessible for children with disabilities. Toys can be products designed and manufactured by companies or toys that are not accessible adapted for different user profiles.

Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecraft. It has two major and overlapping branches: Aeronautical engineering and Astronautical Engineering. Avionics engineering is similar, but deals with the electronics side of aerospace engineering.

Aging or ageing (see spelling differences) is the process of becoming older. The term refers especially to human beings, many animals, and fungi, whereas for example bacteria, perennial plants and some simple animals are potentially biologically immortal. In the broader sense, aging can refer to single cells within an organism which have ceased dividing (cellular senescence) or to the population of a species (population ageing).Ageing (British English) or aging (American English) is the accumulation of changes in a person over time. Ageing in humans refers to a multidimensional process of physical, psychological, and social change. Some dimensions of ageing grow and expand over time, while others decline. Reaction time, for example, may slow with age, while knowledge of world events and wisdom may expand. Research shows that even late in life, potential exists for physical, mental, and social growth and development. Ageing is an important part of all human societies reflecting the biological changes that occur, but also reflecting cultural and societal conventions. Roughly 100,000 people worldwide die each day of age-related causes.

An all-in-one PC integrates the system's internal components into the same case as the display, allowing for easier portability and a smaller footprint, especially on designs using flat panel displays. Some recent all-in-one models also include touchscreen displays.

Alzheimer's disease (AD), also referred to simply as Alzheimer's, is a chronic neurodegenerative disease that usually starts slowly and worsens over time. It is the cause of 60% to 70% of cases of dementia. The most common early symptom is difficulty in remembering recent events (short-term memory loss). As the disease advances, symptoms can include problems with language, disorientation (including easily getting lost), mood swings, loss of motivation, not managing self care, and behavioural issues. As a person's condition declines, they often withdraw from family and society. Gradually, bodily functions are lost, ultimately leading to death. Although the speed of progression can vary, the average life expectancy following diagnosis is three to nine years.

Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease and Charcot disease, is a specific disorder that involves the death of neurons. In the United Kingdom the term motor neurone disease (MND) is commonly used, while others use that term for a group of five conditions of which ALS is the most common. ALS is characterized by stiff muscles, muscle twitching, and gradually worsening weakness due to muscle wasting. This results in difficulty speaking, swallowing, and eventually breathing.

Anatomy (Greek anatomē, “dissection”) is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science dealing with the structural organization of living things. It is an old science, having its beginnings in prehistoric times. Anatomy is inherently tied to embryology, comparative anatomy, evolutionary biology, and phylogeny, as these are the processes by which anatomy is generated over immediate (embryology) and long (evolution) timescales. Human anatomy is one of the basic essential sciences of medicine. Anatomy and physiology, which study (respectively) the structure and function of organisms and their parts, make a natural pair of related disciplines, and they are often studied together.

Android is a mobile operating system based on a modified version of the Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets. Android is developed by a consortium of developers known as the Open Handset Alliance, with the main contributor and commercial marketer being Google.

Anesthesiology is a term used to describe the medical speciality concerned with the study of anesthesia or anesthetics. Anesthesia by definition is the loss of sensation with or without the loss of consciousness. The American Society of Anesthesiologists define anesthesiology as "the practice of medicine dedicated to the relief of pain and total care of the surgical patient before, during and after surgery".

Aphasia is an inability to comprehend or formulate language because of damage to specific brain regions. This damage is typically caused by a cerebral vascular accident (stroke), or head trauma; however, these are not the only possible causes. Aphasia can also be caused by brain tumors, brain infections, and neurodegenerative diseases such as dementia, however these are far less common and thus not as often mentioned when discussing aphasia. To be diagnosed with aphasia, a person's speech or language must be significantly impaired in one (or several) of the four communication modalities following acquired brain injury or have significant decline over a short time period (progressive aphasia). The four communication modalities are auditory comprehension, verbal expression, reading and writing, and functional communication.

Aphasiology is the study of linguistic problems usually resulting from brain damage, as a result of a stroke or progressive illness including the various types of dementia. It is also the name of a scientific journal covering the area. These specific language deficits, termed aphasias, may be defined as impairments of language production or comprehension that cannot be attributed to trivial causes such as deafness or oral paralysis. A number of aphasias have been described, but two are best known: Expressive aphasia (Broca's aphasia) and Receptive aphasia (Wernicke's or sensory aphasia).

An application programming interface (API) specifies how some software components should interact with each other.

An application launcher is a computer program that helps a user to locate and start other computer programs. An application launcher provides shortcuts to computer programs, and stores the shortcuts in one place so they are easier to find.