Glossary

Searchable terminology from accessibility, web standards, and related fields.

69 results found in motor accessibility.

Motion-based game accessibility (Movement game accessibility, Exergame accessibility)
The design and adaptation of video games that use physical movement as the primary input — such as Kinect, Wii, and VR games — to be playable by people with motor impairments including wheelchair user…
Motor Accessibility (Physical Accessibility, Motor Impairment Accessibility)
Motor accessibility refers to the design of digital systems and interfaces to be operable by people with physical disabilities affecting movement, strength, coordination, or fine motor control. Releva…
Movement Disorder (Motor Disorder)
A group of neurological conditions that affect the speed, fluency, quality, and ease of movement. Movement disorders can cause excessive or reduced movement that may or may not be voluntary. Common ty…
Multimodal Input (Multimodal Interaction, Multi-modal Input)
An interaction approach that allows users to communicate with computing devices or systems through multiple input channels — such as touch, voice, eye gaze, head movement, facial expressions, hand ges…
Neurodegenerative Disease (Neurodegenerative Disorder, Neurodegeneration)
A category of diseases characterized by progressive loss of structure or function of neurons, including death of nerve cells. Common neurodegenerative diseases include Alzheimer's disease, Parkinson's…
On-Screen Keyboard (Virtual Keyboard, Software Keyboard, OSK)
A software application that displays a visual representation of a keyboard on the computer screen, allowing users to type by selecting keys with a pointing device, head tracker, eye gaze system, or sw…
One-Handed Input (Single-Handed Operation, One-Handed Operation)
One-handed input refers to interaction techniques and interface designs that can be operated using a single hand, accommodating users who have limited use of one limb due to amputation, hemiplegia, st…
Paraplegia
A condition resulting from injury to the thoracic, lumbar, or sacral segments of the spinal cord, causing partial or complete loss of motor function and sensation in the legs, pelvis, and trunk while …
Pen Input (Stylus Input, Pen-Based Input)
An input method using a pen or stylus to interact with a computing device, typically through direct manipulation on a touchscreen or digitizer. Pen input offers advantages for users with certain motor…
Peripheral Neuropathy (Neuropathy)
Peripheral neuropathy is a condition resulting from damage to the peripheral nerves, which carry signals between the brain, spinal cord, and the rest of the body. Symptoms typically include numbness, …
Pie Menu (Radial Menu, Circular Menu)
A pie menu is a circular or ring-shaped menu interface in which command options are arranged radially around a central point, allowing selection by moving the cursor or making a directional gesture to…
Remote Desktop Software (Remote Access Software, Remote Control Software)
Software that allows a user to access and control one computer from another device over a network, displaying the remote computer's screen and relaying input commands. In accessibility contexts, remot…
Scanning interface (Switch scanning, Single-switch access)
An interaction method in which items on a screen are sequentially highlighted one at a time (or in groups), and the user activates a switch to select the currently highlighted item. Scanning interface…
Single-Switch Access (One-switch access, Single switch scanning)
An input method that allows users to control a computer, AAC device, or other technology using only one switch or button. Users with severe motor impairments who cannot operate a keyboard, mouse, or t…
Sip-and-Puff (Sip and Puff Switch, Pneumatic Switch)
An assistive technology input device that detects air pressure changes from a user sipping (inhaling) or puffing (exhaling) through a straw or tube to generate control signals. Sip-and-puff systems ar…
Slips (Slip Errors, Selection Slips)
Errors that occur when a user intends to click on a target but the cursor moves off the target before the mouse button is released, resulting in a missed selection. Slips are particularly common among…
Steady Tapping
The ability to place a finger on a touchscreen target and hold it still long enough for the system to register a deliberate tap, as opposed to the unintentional movements caused by hand tremor. For us…
Stepwise pointing (Recursive target acquisition, Tile-based pointing)
A mouse emulation technique in which the screen is divided into a grid of tiles, the user selects a tile to zoom into it, the tile subdivides into smaller subtiles, and this process repeats until the …
Target Expansion (Expanding Targets, Dynamic Target Sizing)
An interaction technique where clickable interface elements dynamically grow in size as the cursor approaches, making them easier to select while conserving screen space when not being targeted. Resea…
Target Size (Touch Target Size, Click Target Size, Hit Area)
The physical dimensions of an interactive element on screen — such as a link, button, or checkbox — that a user must point to and activate. Adequate target size is critical for users with motor impair…