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Relationships among anxiety, depression, and executive functioning in multiple sclerosis.
Laura J Julian1, Peter A Arnett
1Department of Medicine, The University of California, San Francisco, CA 94121, USA. laura.julian@ucsf.edu
The Clinical Neuropsychologist
|February 26, 2009
Summary
Anxiety and depression impact cognitive function in multiple sclerosis (MS). This study found anxiety uniquely affects executive functioning in MS patients, highlighting its importance in assessment and treatment.
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Psychology
Background:
- Anxiety is a prevalent psychiatric symptom in multiple sclerosis (MS) patients.
- Anxiety in MS is under-studied compared to depression.
- Cognitive dysfunction is a significant concern for individuals with MS.
Purpose of the Study:
- To evaluate the distinct contributions of anxiety and depression to cognitive functioning in persons with MS.
- To investigate the relationship between anxiety, depression, and executive functioning in MS.
- To determine if anxiety uniquely predicts cognitive performance in MS, independent of depression.
Main Methods:
- Seventy-seven individuals with MS participated in the study.
- Participants completed the Chicago Multiscale Depression Inventory and the State-Trait Anxiety Inventory.
- Neuropsychological tests assessed executive functioning.
Main Results:
- Both depression and anxiety independently predicted executive functioning performance.
- Anxiety showed a unique association with cognitive functioning in MS patients.
- This association remained significant even after accounting for depression.
Conclusions:
- Anxiety is a significant factor associated with cognitive functioning in multiple sclerosis.
- The findings underscore the importance of assessing and treating anxiety in MS patients.
- Further research into the interplay of anxiety and cognition in MS is warranted.
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