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Updated: Mar 19, 2026
09:39
Modeling Myotonic Dystrophy 1 in C2C12 Myoblast Cells
Published on: July 29, 2016
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Cognition in myotonic dystrophy type 1: a 5-year follow-up study
S Winblad1,2, L Samuelsson3, C Lindberg2,3
1Department of Psychology, University of Gothenburg, Gothenburg, Sweden.
European Journal of Neurology
|June 21, 2016
Summary
Cognitive decline is evident in adult-onset myotonic dystrophy type 1 (DM1). Earlier onset and longer disease duration correlate with more severe cognitive deficits, impacting memory and attention.
Area of Science:
- Neurology
- Neuropsychology
Background:
- Conflicting results exist regarding cognitive decline in myotonic dystrophy type 1 (DM1).
- Adult-onset DM1 requires further investigation into cognitive changes over time.
Purpose of the Study:
- To analyze cognitive decline in adult-onset DM1 over a 5-year period.
- To explore correlations between cognitive decline and disease-related/demographic factors.
Main Methods:
- A cohort of 37 DM1 patients underwent comprehensive neuropsychological testing.
- Measures included memory, attention, verbal, visuospatial, and executive functions.
- Muscle impairment and CTG repeat size were assessed.
Main Results:
- 65% of participants showed worsened performance at follow-up.
- Patients performed significantly below normative data in memory, attention, visuospatial, and verbal abilities.
- Earlier onset and longer disease duration correlated with greater cognitive deficits.
Conclusions:
- Adult-onset DM1 is characterized by progressive cognitive decline.
- Disease duration and age at onset are key indicators of cognitive impairment severity.
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