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dc.contributor.authorHansen, Tor Ivar
dc.contributor.authorOlsen, Sandra Elise
dc.contributor.authorHaferstrom, Elise CD
dc.contributor.authorSand, Trond
dc.contributor.authorFrier, Brian
dc.contributor.authorHåberg, Asta
dc.contributor.authorBjørgaas, Marit Ragnhild Rokne
dc.date.accessioned2017-06-01T07:42:39Z
dc.date.available2017-06-01T07:42:39Z
dc.date.created2017-05-31T10:16:31Z
dc.date.issued2017
dc.identifier.citationDiabetologia. 2017, 60 (6), 971-979.nb_NO
dc.identifier.issn0012-186X
dc.identifier.urihttp://hdl.handle.net/11250/2444042
dc.description.abstractAims/hypothesis The aim of this study was to compare cognitive function in adults with type 1 diabetes who have impaired awareness of hypoglycaemia with those who have normal awareness of hypoglycaemia. A putative association was sought between cognitive test scores and a history of severe hypoglycaemia. Methods A total of 68 adults with type 1 diabetes were included: 33 had impaired and 35 had normal awareness of hypoglycaemia, as confirmed by formal testing. The groups were matched for age, sex and diabetes duration. Cognitive tests of verbal memory, object-location memory, pattern separation, executive function, working memory and processing speed were administered. Results Participants with impaired awareness of hypoglycaemia scored significantly lower on the verbal and object-location memory tests and on the pattern separation test (Cohen’s d −0.86 to −0.55 [95% CI −1.39, −0.05]). Participants with impaired awareness of hypoglycaemia had reduced planning ability task scores, although the difference was not statistically significant (Cohen’s d 0.57 [95% CI 0, 1.14]). Frequency of exposure to severe hypoglycaemia correlated with the number of cognitive tests that had not been performed according to instructions. Conclusions/interpretation Impaired awareness of hypoglycaemia was associated with diminished learning, memory and pattern separation. These cognitive tasks all depend on the hippocampus, which is vulnerable to neuroglycopenia. The findings suggest that hypoglycaemia contributes to the observed correlation between impaired awareness of hypoglycaemia and impaired cognition.nb_NO
dc.language.isoengnb_NO
dc.publisherSpringer Verlagnb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleCognitive deficits associated with impaired awareness of hypoglycaemia in type 1 diabetesnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.pagenumber971-979nb_NO
dc.source.volume60nb_NO
dc.source.journalDiabetologianb_NO
dc.source.issue6nb_NO
dc.identifier.doi10.1007/s00125-017-4233-3
dc.identifier.cristin1473046
dc.description.localcode© The Author(s) 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.nb_NO
cristin.unitcode194,65,15,0
cristin.unitcode194,65,30,0
cristin.unitnameInstitutt for kreftforskning og molekylær medisin
cristin.unitnameInstitutt for nevromedisin
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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