Years Lived With Disability
Years Lived With Disability - Related Videos
01:29
Intellectual Disability
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2025
Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
01:25
Learning Disabilities
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2025
Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning. Dyslexia Dyslexia is a...
09:38
Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
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Cited by 8 •
2014
Objective and easy measurement of sensory processing is extremely difficult in nonverbal or vulnerable pediatric patients. We developed a new methodology to quantitatively assess infants and children's cortical processing of light touch, speech sounds, and the multisensory processing of the 2 stimuli, without requiring active subject participation or causing discomfort in vulnerable patients.
08:11
Measuring Progressive Neurological Disability in a Mouse Model of Multiple Sclerosis
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Cited by 21 •
2016
An optimized testing protocol is presented in this paper for the Rotarod performance test, used for measuring progressive neurological disability in TMEV-infected mice.
11:35
The Multiple Sclerosis Performance Test (MSPT): An iPad-Based Disability Assessment Tool
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Cited by 106 •
2014
Precise measurement of neurological and neuropsychological impairment and disability in multiple sclerosis is challenging. We report methodologic details on a new test, the Multiple Sclerosis Performance Test (MSPT). This new approach to the objective of quantification of MS related disability provides a computer-based platform for precise, valid measurement of MS severity.
FAQs
The disability weight converts the presence of a health condition into an estimate of health loss according to severity. A higher weight contributes more YLDs for the same amount of prevalence or duration than a lower weight. This allows conditions with different clinical effects to be represented on a common population-health scale and compared in burden assessments.
Prevalence captures how many people are living with a condition, whereas incidence focuses on new cases. Duration determines how long the associated health loss contributes to the estimate. Consequently, a condition may produce substantial YLDs through widespread prevalence, prolonged disability, or both. The selected epidemiologic measure therefore affects how the nonfatal burden is characterized.
Mortality statistics emphasize deaths, but YLDs capture health loss among people who survive disease, injury, or other conditions. This distinction is particularly important when disabling conditions persist without being fatal. Adding YLDs to years of life lost produces DALYs, which provide a broader view of disease burden than either nonfatal or fatal outcomes considered alone.
To estimate YLDs, analysts identify the relevant condition, quantify its prevalence or incidence, determine its duration, and apply an appropriate disability weight. Multiplying these elements produces the nonfatal health-loss estimate. Consistent definitions and measurements are important because changes in any component can alter the result and affect comparisons across conditions or populations.
YLDs support comparisons by expressing nonfatal health loss in a shared metric rather than relying only on condition-specific counts. Health planners can examine which diseases or injuries contribute most to disability within or between populations. These comparisons help direct attention toward prevention, treatment, rehabilitation, or health-care planning where the estimated burden is greatest.
In medicine, YLDs make chronic and disabling conditions visible in assessments that might otherwise focus mainly on deaths. Tracking them can show how ongoing conditions shape population health and can inform decisions about prevention, clinical treatment, rehabilitation, and service planning. Their contribution to DALYs also helps place nonfatal conditions alongside fatal causes when priorities are evaluated.