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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Pediatric Rehabilitation(also: Children's Rehabilitation, Paediatric Rehabilitation)
A specialized area of rehabilitation medicine focused on children and adolescents with disabilities, developmental delays, or injuries. Unlike adult rehabilitation which typically aims to restore lost function, pediatric rehabilitation focuses on developing new skills, fostering…
Peripersonal Space(also: Near space, Reaching space)
The area immediately surrounding the body that is within arm's reach, typically extending about 60-70 cm from the body. Peripersonal space is significant in accessibility because blind and visually impaired children often have delayed development of spatial awareness within this…
Physical Therapy(also: Physiotherapy, PT)
A healthcare profession focused on evaluating and treating physical impairments, functional limitations, and disabilities through movement, exercise, manual therapy, and assistive devices. Physical therapists work with people recovering from injuries, surgeries, strokes, and…
Preferred Retinal Locus(also: PRL, Preferred Retinal Location)
A specific area of the retina outside the damaged macula that a person with central vision loss adopts as their primary fixation point for viewing. When the central fovea is damaged (as in macular degeneration), individuals naturally or through training develop one or more PRLs…
Prosthetics(also: Prostheses, Prosthetic Devices, Artificial Limbs)
Artificial devices designed to replace missing body parts, most commonly limbs lost through amputation, congenital absence, or trauma. Modern prosthetics range from basic cosmetic devices to highly functional myoelectric arms controlled by muscle signals and…
Pursed-lip Breathing(also: PLB)
A breathing technique in which the person inhales gently through the nose and exhales slowly through lightly pursed lips, with the exhalation lasting at least twice as long as the inhalation. The prolonged exhalation against pursed lips creates positive back-pressure in the…
Pusher Syndrome(also: Contraversive Pushing, Lateropulsion)
A clinical disorder occurring in some stroke survivors in which the patient actively pushes their body weight away from the non-paralyzed (non-hemiparetic) side, leading to a severe loss of postural balance. Typically caused by damage to the left or right brain, pusher syndrome…

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