It has been demonstrated that persons with Down syndrome (DS) develop neuropathological characteristics of Alzheimer's disease (AD) after the age of 40. Surprisingly, not all these patients will show clinical symptoms of dementia. This article is a review of the criteria currently used for diagnosis and includes a description of how dementia symptoms manifest in individuals with DS.
SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact.
See moreSNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.
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