Glossary
Searchable terminology from accessibility, web standards, and related fields.
35 results found in conditions and disabilities.
- Micrographia (Small Handwriting)
- A condition characterized by abnormally small, cramped handwriting that often becomes progressively smaller within a line or paragraph. Micrographia is a common early sign of Parkinson's Disease, resu…
- Motor Disability (Motor Impairment, Physical Disability, Movement Disorder)
- A condition that affects a person's ability to control voluntary muscle movements, impacting mobility, dexterity, coordination, or speech production. Motor disabilities can result from neurological co…
- Motor Fluctuation (On-Off Phenomenon, Wearing Off, On-Off Periods)
- Variations in motor function experienced by people with Parkinson's Disease, typically related to medication timing. During 'on' periods when medication is working optimally, motor symptoms are contro…
- Myopathy (Muscle Disease)
- A group of disorders affecting skeletal muscle function, characterized by muscle weakness, cramping, stiffness, or wasting. Myopathies can be inherited (muscular dystrophies) or acquired (inflammatory…
- 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 …
- Rigidity (Muscle Rigidity, Stiffness)
- Increased muscle tone causing stiffness and resistance to passive movement, commonly experienced in Parkinson's Disease and other neurological conditions. Unlike spasticity (which varies with movement…
- Sensory Disability (Sensory Impairment)
- A disability that affects one or more of the senses — most commonly vision and hearing, but also including touch, taste, and smell. Sensory disabilities encompass conditions such as blindness, low vis…
- Severe Speech and Motor Impairment (SSMI)
- A condition where an individual has significant limitations in both spoken communication and physical movement, often co-occurring in conditions such as cerebral palsy, amyotrophic lateral sclerosis (…
- Speech Delay (Language Delay, Delayed Speech)
- A condition in which a child does not develop speech and language skills at the expected rate for their age. Speech delay can affect the production of sounds (articulation), the ability to form words …
- Stuttering (Stammering, Speech Disfluency Disorder)
- A speech disorder characterized by involuntary disruptions in the flow of speech, including repetitions of sounds, syllables, or words (e.g., "w-w-water"), prolongations of sounds (e.g., "sssssnake"),…
- Symbrachydactyly
- A rare congenital condition in which a child is born with abnormally short fingers that may be webbed, misshapen, or missing. The name combines "sym" (joined), "brachy" (short), and "dactyly" (finger)…
- Tetraplegia (Quadriplegia)
- A condition resulting from injury to the cervical (neck) portion of the spinal cord, causing partial or complete loss of motor function and sensation in all four limbs as well as the trunk. The extent…
- Upper-Limb Impairment (Upper Extremity Impairment, Arm Impairment, Hand Impairment)
- A physical disability affecting the arms, hands, or fingers that limits a person's ability to perform fine motor tasks such as typing, using a mouse, or operating touchscreen devices. Upper-limb impai…
- Usher Syndrome (Usher's Syndrome)
- A genetic condition that is the most common cause of combined deafness and blindness (deafblindness). It is characterized by sensorineural hearing loss present from birth and progressive vision loss f…
- Williams Syndrome (Williams-Beuren Syndrome, WBS)
- A rare genetic condition caused by the deletion of approximately 26 genes on chromosome 7, characterized by cardiovascular problems, distinctive facial features, and a unique cognitive profile that ty…