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Other genetic causes of cognitive impairment 

Other genetic causes of cognitive impairment
Chapter:
Other genetic causes of cognitive impairment
Author(s):

Davina J. Hensman Moss

, Nicholas W. Wood

, and Sarah J. Tabrizi

DOI:
10.1093/med/9780199655946.003.0031
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date: 30 May 2020

The aim of this chapter is to provide an overview of diseases in which cognitive impairment is a major feature and for which there is a genetic basis. While there are known genetic susceptibilities for numerous neurological diseases in which the genetic trait in question increases the risk of an individual having the disease, the focus here is on those of monogenic nature. Because Huntington’s disease is often viewed as the archetypal genetic neurodegenerative disease and has been extensively studied, it is discussed in some detail before an overview of other genetic causes of cognitive impairment is presented. There are some common themes to their management such as multidisciplinary and supportive care, and the social and ethical issues surrounding genetic testing.

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