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A physical disability is a limitation on a person's physical functioning, mobility, dexterity or stamina. [1] Other physical disabilities include impairments which limit other facets of daily living , such as respiratory disorders , blindness , epilepsy [ 2 ] and sleep disorders .
The handicap principle is a disputed hypothesis proposed by the Israeli biologist Amotz Zahavi in 1975. It is meant to explain how "signal selection" during mate choice may lead to "honest" or reliable signalling between male and female animals which have an obvious motivation to bluff or deceive each other.
When an individual has a feature that creates an impairment, restriction, or limitation from reaching the social definition of health, the individual is labeled as disabled. Under this idea, disability is not defined by the physical features of the body but by a deviance from the social convention of health. [43]
Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent living". [ 1 ]
The medical model of disability, or medical model, is based in a biomedical perception of disability. This model links a disability diagnosis to an individual's physical body. The model supposes that a disability may reduce the individual's quality of life and aims to correct or diminish the disability with medical intervention. [1]
Disability, an impairment that substantially affects a person's life activities, and may be present at birth or arise later in life; Self-handicapping, a psychological method for preserving self-esteem
Functioning and disability are viewed as a complex interaction between the health condition of the individual and the contextual factors of the environment as well as personal factors. The picture produced by this combination of factors and dimensions is of "the person in his or her world".
Acquired characteristics, by definition, are characteristics that are gained by an organism after birth as a result of external influences or the organism's own activities which change its structure or function and cannot be inherited.