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A Zebrafish Model of Diabetes Mellitus and Metabolic Memory
Published on: February 28, 2013
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Complex systems representing effective connectivity in patients with Type One diabetes mellitus
Joan Guàrdia-Olmos1, Esteve Gudayol-Ferré2, Geisa B Gallardo-Moreno3
1Facultat de Psicologia, Universitat de Barcelona, Institut de Neurociències, Institute of Complex Systems (UBICS), Barcelona, Spain.
Plos One
|November 30, 2018
Summary
Type 1 diabetes (T1D) patients exhibit altered brain connectivity during working memory tasks. Their brains may use compensatory mechanisms involving the cerebellum and red nucleus to maintain cognitive function.
Area of Science:
- Neuroscience
- Endocrinology
- Cognitive Psychology
Background:
- Type 1 diabetes mellitus (T1D) impacts systemic cellular networks, potentially leading to cognitive disturbances.
- The brain may develop compensatory mechanisms to mitigate or prevent neuropsychological decline in T1D patients.
Purpose of the Study:
- To investigate the effective brain connectivity underlying visuospatial working memory performance in young adults with T1D.
- Utilize functional magnetic resonance imaging (fMRI) to assess neural network differences between T1D patients and healthy controls.
Main Methods:
- Recruited 15 T1D young adults and a matched control group.
- Administered visuospatial working memory tasks within an MRI scanner.
- Analyzed effective connectivity using structural equation models and maximum likelihood estimation.
Main Results:
- T1D patients showed reduced brain activity in key networks compared to controls.
- Healthy individuals displayed greater and more complex brain connectivity.
- T1D patients exhibited a connectivity pattern primarily involving the cerebellum and red nucleus.
Conclusions:
- T1D patients demonstrate a distinct effective connectivity pattern between the cerebellum and red nucleus during working memory tasks.
- This specific connectivity may represent a compensatory strategy to meet task demands in T1D.
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