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Difference between revisions of "Learning Disabilities: Causes"
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==What Causes Learning Disabilities?== | ==What Causes Learning Disabilities?== | ||
| − | Researchers do not know exactly what causes [[Learning Disabilities|learning disabilities]], but they appear to be related to differences in brain structure. These differences are present from birth and often are inherited. To improve understanding of [[Learning Disabilities|learning disabilities]], researchers at the NICHD and elsewhere are studying areas of the brain and how they function. Scientists have found that [[Learning Disabilities|learning disabilities]] are related to areas of the brain that deal with language1 and have used imaging studies to show that the brain of a dyslexic person develops and functions differently from a typical brain.2 | + | Researchers do not know exactly what causes [[Learning Disabilities|learning disabilities]], but they appear to be related to differences in brain structure. These differences are present from birth and often are inherited. To improve understanding of [[Learning Disabilities|learning disabilities]], researchers at the NICHD and elsewhere are studying areas of the brain and how they function. Scientists have found that [[Learning Disabilities|learning disabilities]] are related to areas of the brain that deal with language1 and have used imaging studies to show that the brain of a dyslexic person develops and functions differently from a typical brain.'''2''' |
| − | Sometimes, factors that affect a developing fetus, such as alcohol or drug use, can lead to a learning disability. Other factors in an infant’s environment may play a role as well. These can include poor nutrition and exposure to toxins such as lead in water or paint. In addition, children who do not receive the support necessary to promote their intellectual development early on may show signs of [[Learning Disabilities|learning disabilities]] once they start school.3 | + | Sometimes, factors that affect a developing fetus, such as alcohol or drug use, can lead to a learning disability. Other factors in an infant’s environment may play a role as well. These can include poor nutrition and exposure to toxins such as lead in water or paint. In addition, children who do not receive the support necessary to promote their intellectual development early on may show signs of [[Learning Disabilities|learning disabilities]] once they start school.'''3''' |
| − | Sometimes a person may develop a learning disability later in life. Possible causes in such a case include dementia or a traumatic brain injury (TBI).4 | + | Sometimes a person may develop a learning disability later in life. Possible causes in such a case include dementia or a traumatic brain injury (TBI).'''4''' |
| − | Continue to [[Learning Disabilities: | + | Continue to [[Learning Disabilities: Symptoms]] |
Return to [[Special Needs]] | Return to [[Special Needs]] | ||
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==Citations== | ==Citations== | ||
| − | + | '''1''' American Speech-Language-Hearing Association. (n.d.). Language-based [[Learning Disabilities|learning disabilities]]: Causes and number. Retrieved June 26, 2012, from http://www.asha.org/public/speech/disorders/LBLDcauses.htm | |
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| − | + | '''2''' American Speech-Language-Hearing Association. (2008). Brain activity in those with dyslexia pre and post treatment: A review. Retrieved June 17, 2012, fromhttp://www.asha.org/Events/convention/handouts/2008/1794_Kors_Alicia (PDF - 1.3 MB) | |
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| + | '''3''' National Center for [[Learning Disabilities]]. (2012). What are [[Learning Disabilities|learning disabilities]]? Retrieved June 26, 2012, from http://www.ncld.org/types-learning-disabilities/what-is-ld/what-are-learning-disabilities | ||
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| + | '''4''' National Institute of Neurological Disorders and Stroke. (2011). What is dyslexia? Retrieved June 26, 2012, from http://www.ninds.nih.gov/disorders/dyslexia/dyslexia.htm | ||
Revision as of 18:21, 23 September 2014
This information has been taken directly from the Eunice Kennedy Shriver National Institute of Child Health and Human Development
What Causes Learning Disabilities?
Researchers do not know exactly what causes learning disabilities, but they appear to be related to differences in brain structure. These differences are present from birth and often are inherited. To improve understanding of learning disabilities, researchers at the NICHD and elsewhere are studying areas of the brain and how they function. Scientists have found that learning disabilities are related to areas of the brain that deal with language1 and have used imaging studies to show that the brain of a dyslexic person develops and functions differently from a typical brain.2
Sometimes, factors that affect a developing fetus, such as alcohol or drug use, can lead to a learning disability. Other factors in an infant’s environment may play a role as well. These can include poor nutrition and exposure to toxins such as lead in water or paint. In addition, children who do not receive the support necessary to promote their intellectual development early on may show signs of learning disabilities once they start school.3 Sometimes a person may develop a learning disability later in life. Possible causes in such a case include dementia or a traumatic brain injury (TBI).4
Continue to Learning Disabilities: Symptoms
Return to Special Needs
References
Eunice Kennedy Shriver National Institute of Child Health and Human Development.
Citations
1 American Speech-Language-Hearing Association. (n.d.). Language-based learning disabilities: Causes and number. Retrieved June 26, 2012, from http://www.asha.org/public/speech/disorders/LBLDcauses.htm
2 American Speech-Language-Hearing Association. (2008). Brain activity in those with dyslexia pre and post treatment: A review. Retrieved June 17, 2012, fromhttp://www.asha.org/Events/convention/handouts/2008/1794_Kors_Alicia (PDF - 1.3 MB)
3 National Center for Learning Disabilities. (2012). What are learning disabilities? Retrieved June 26, 2012, from http://www.ncld.org/types-learning-disabilities/what-is-ld/what-are-learning-disabilities
4 National Institute of Neurological Disorders and Stroke. (2011). What is dyslexia? Retrieved June 26, 2012, from http://www.ninds.nih.gov/disorders/dyslexia/dyslexia.htm