Reaction Time in Fibromyalgia Patients
Basant K Puri1, Gary S Lee2, Armin Schwarzbach3
1Department of Molecular Biology and Medicine, Faculty of Health and Well-Being, University of Winchester & C.A.R., Cambridge, UK.
Current Rheumatology Reviews
|February 5, 2024
Summary
Fibromyalgia patients exhibit prolonged reaction times compared to controls. Specific pain symptoms and Mycoplasma pneumoniae infection predict this slowed processing, suggesting potential pathophysiological links.
Area of Science:
- Neuroscience
- Immunology
- Rheumatology
Background:
- Fibromyalgia is characterized by unknown causes and impaired information processing speed, leading to longer reaction times.
- The underlying mechanisms contributing to these cognitive deficits in fibromyalgia remain unclear.
Purpose of the Study:
- To compare reaction times between fibromyalgia patients and matched healthy controls.
- To identify if pain symptoms, autonomic dysfunction, tinnitus, fatigue, sleepiness, and Mycoplasma pneumoniae infection predict reaction time in fibromyalgia.
Main Methods:
- An analytical case-controlled study compared serial five-choice reaction time between fibromyalgia patients and controls.
- Multiple linear regression analysis identified predictors of reaction time within the fibromyalgia cohort, including pain, dysautonomia, and infection markers.
Main Results:
- Fibromyalgia patients demonstrated significantly slower reaction times (448.4 ms) than controls (386.3 ms).
- The final regression model identified 13 predictors of reaction time, notably sensory and affective pain parameters, and Mycoplasma pneumoniae IgG and IgA results.
Conclusions:
- Sensory and affective pain characteristics, alongside Mycoplasma pneumoniae infection, are significant predictors of slower reaction times in fibromyalgia.
- Further investigation into the pathophysiological pathways linking these factors to information processing deficits is crucial for understanding fibromyalgia etiology.


