The application of genetics to the understanding of neurology has been highly successful over the past several decades. During the past 10 years, tools were developed to begin genetic investigations into more common disorders such as Alzheimer disease, multiple sclerosis, autism, and Parkinson disease. The era of genomic medicine now has begun and will have an increasing effect on the daily care of common neurologic diseases. Thus it is important for neurologists to have a basic understanding of genomic medicine and how it differs from the traditional clinical genetics of the past. This article provides some basic information about genomic medicine and pharmacogenetics in neurology to help neurologists to begin to adopt these principles into their practice.
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