Other environmental neurotoxicants that have been shown to produce developmental neurotoxicity include polychlorinated biphenyls (PCBs), dioxins, pesticides, ionizing radiation, environmental tobacco smoke, and maternal use of alcohol, tobacco, marijuana and cocaine.
What environmental factors cause disabilities?
The environmental barriers outside the home environment that are most frequently encountered by individuals with disabilities are lack of architectural structures (e.g., ramps, elevators) 6 – 8 ; inadequate or poor visual, tactile or acoustic signaling 9 ; and lack of adapted transportation 10 – 12 , among others.
How can environment cause learning disabilities?
Environmental causes of learning disabilities includes trauma during the pre- natal, perinatal and postnatal phases and includes accidental and non- accidental injury. At the prenatal stage, this also includes the delivery of the child using forceps or suction.
What are the environmental causes of intellectual disability?
Environmental exposure to toxins
Pre- and post-natal exposure to toxins can cause intellectual disabilities. Of particular concern are lead, mercury, and radiation. Avoiding exposure to these toxins reduces the risk of developing an intellectual disability. Mercury is found in polluted waters.
What are the 3 environmental barriers?
The major environmental / physical barriers are Time, Place, Space, Climate and Noise.
What is environmental disability?
Environmental disabilities relate to an individual’s restricted tolerance of environmental influences such as climatic features, illumination, noise, pollutants, working hours and speed.
What are three leading causes of intellectual disabilities?
Several hundred causes have been discovered, but in about one-third of the people affected, the cause remains unknown. The three major known causes of intellectual disability are Down syndrome, Fetal Alcohol Spectrum Disorder (FASD) and Fragile X syndrome.
What factors affect disability?
While an individual may experience a physical disability, he must function within both a social and physical environment. Poverty, cultural deprivation, lack of education, and a depressed job market do influence the impact of disability on the disabled person, those who are close to him, and the society, at large.
Can genetic cause learning disability?
A significant proportion of children with learning disability will have an underlying genetic cause. The genetic aetiology of learning disability is broad and includes chromosomal abnormalities, copy number variants, single gene, mitochondrial and imprinting disorders.
What is an example of an environmental barrier?
Barriers in their surroundings – like poor lighting, too much noise, crowds. It also includes things in nature like cold temperatures, too much rain, steep hills, etc.
What does environmental barrier mean?
Definition. Environmental Barriers often limit or prevent a person with a disability from fully participating in social, occupational and recreational activities. For a wheelchair-user, environmental barriers may include stairs, narrow doorways, heavy doors, or high counter tops.
What are personal and environmental barriers?
Personal and environmental barriers to healthy eating included motivation, enjoyment, skills, information, cost, and access. Social and environmental barriers were related to lack of support from family and friends and time constraints.