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Diabetes and cognitive dysfunction

Diabetes and cognitive dysfunction

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Authors

  • Rory J McCrimmon
  • Christopher M Ryan
  • Brian M Frier

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Info

Original languageEnglish
Pages2291-9
Number of pages9
JournalLancet
Journal publication date16 Jun 2012
Journal number9833
Volume379
DOIs
StatePublished

Abstract

Cognitive dysfunction in type 1 and type 2 diabetes share many similarities, but important differences do exist. A primary distinguishing feature of type 2 diabetes is that people with this disorder often (but not invariably) do poorly on measures of learning and memory, whereas deficits in these domains are rarely seen in people with type 1 diabetes. Chronic hyperglycaemia and microvascular disease contribute to cognitive dysfunction in both type 1 and type 2 diabetes, and both disorders are associated with mental and motor slowing and decrements of similar magnitude on measures of attention and executive functioning. Additionally, both types are characterised by neural slowing, increased cortical atrophy, microstructural abnormalities in white matter tracts, and similar, but not identical, changes in concentrations of brain neurometabolites. Disconcertingly, the rapid rise in obesity and type 2 diabetes in all age groups might result in a substantial increase in prevalence of diabetes-related cognitive dysfunction. © 2012 Elsevier Ltd. All rights reserved.

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