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Cognitive dysfunction in fibromyalgia: slow access to the mental lexicon
11 Department of Behavioral Sciences, Rush Medical College, Chicago, IL.
Psychological Reports
|December 25, 2014
Summary
Patients with fibromyalgia often experience slower lexical access speed, impacting cognitive functions. This study confirms this link, showing lexical access deficits are more common in fibromyalgia and correlate with cognitive deficiencies.
Area of Science:
- Cognitive Neuroscience
- Clinical Psychology
Background:
- Lexical access speed is fundamental for cognitive operations.
- Fibromyalgia patients often exhibit cognitive deficits and slower lexical speed.
Purpose of the Study:
- To investigate the role of lexical access speed deficits in fibromyalgia patients.
- To compare lexical access speed and cognitive performance in fibromyalgia patients versus controls.
Main Methods:
- Utilized the Stroop word-naming task to measure lexical access speed.
- Assessed 12 neurocognitive measures in 209 fibromyalgia patients and 72 controls.
Main Results:
- Lexical access speed deficits were found in 48.3% of fibromyalgia patients vs. 25.0% of controls.
- Fibromyalgia patients with lexical deficits showed deficiencies in 10/12 cognitive measures.
- Control patients with lexical deficits showed deficiencies in 8/12 cognitive measures.
Conclusions:
- Lexical access speed deficits are disproportionately prevalent in fibromyalgia.
- Slower lexical access speed is linked to broader cognitive impairments in fibromyalgia.
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