September 23, 2025Open Access

Behavioral evidence of reduced working memory capacity in fibromyalgia patients is not reflected in electrophysiological outcomes

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Observational analysis shows lower working memory capacity in fibromyalgia patients, suggesting a cognitive issue.

Fibromyalgia patients show reduced working memory capacity in specific tasks despite no electrophysiological differences.
Behavioral results indicate fibromyalgia patients had a working memory capacity of 1.90, compared to 2.64 in controls.
Change detection tasks revealed significant differences in hit rates and false alarms for fibromyalgia patients.
Electrophysiological measures, including P2 and P3 potentials, did not reflect any behavioral differences across tasks.

Young et al. (2025) studied this question.

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