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Cognitive Ability and Brain Structure in Type 1 Diabetes

Open access
Ferguson, Stewart C., Blane, Annette, Perros, Petros, McCrimmon, Rory J., Best, Jonathan J.K., Wardlaw, Joanna, Deary, Ian J., Frier, Brian M.·2003·Diabetes

Abstract

Type 1 diabetes is associated with chronic hyperglycemia and exposure to intermittent severe hypoglycemia. The long-term cerebral effects of these consequences of diabetes are ill defined. In this study, the history of preceding severe hypoglycemia and the presence of background retinopathy were examined in relation to cognitive ability (neuropsychological test battery) and brain structure (magnetic resonance imaging) in a cross-sectional evaluation of 74 young people with type 1 diabetes. Participants differed by their severe hypoglycemia exposure and degree of diabetic retinopathy and none had previous neuropsychological pathology. Severe hypoglycemia did not influence cognitive ability or brain structure. Background diabetic retinopathy was associated with small focal white-matter hyperintensities in the basal ganglia (33.3 vs. 4.7%, after correction for age, P = 0.005) and significant cognitive disadvantage, affecting fluid intelligence (P = 0.008, Eta2 = 0.14), information processing (P = 0.001, Eta2 = 0.22), and attention and concentration ability (P = 0.03, Eta2 = 0.09). In conclusion, recurrent exposure to severe hypoglycemia alone in young people with type 1 diabetes had no detrimental impact on brain structure or function over the duration of diabetes examined. Chronic hyperglycemia (inferred by the presence of background diabetic retinopathy) may affect brain structure and function.

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Crossref · 10.2337/diabetes.52.1.149

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Metadata

Authors
Ferguson, S. C., Blane, A., Perros, P., McCrimmon, R. J., Best, J. J. K., Wardlaw, J., Deary, I. J., & Frier, B. M.
Venue
Diabetes
Published
2003-01-01
Volume
52
Issue
1
Pages
149-156
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2171242179
Cited by
288
References
4
FWCI
9.32
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Cognitive Ability and Brain Structure in Type 1 Diabetes. https://app.cochat.ai/papers/10.2337/diabetes.52.1.149
The paper
Ferguson, S. C., Blane, A., Perros, P., McCrimmon, R. J., Best, J. J. K., Wardlaw, J., Deary, I. J., & Frier, B. M. (2003). Cognitive Ability and Brain Structure in Type 1 Diabetes. Diabetes. https://doi.org/10.2337/diabetes.52.1.149

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.