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Changes in visual attentional behavior in complex regional pain syndrome: A preliminary study
Yukiko Shiro1,2, Shuhei Nagai1, Kazuhiro Hayashi1
1Multidisciplinary Pain Center, Aichi Medical University, Nagakute, Aichi, Japan.
Plos One
|February 23, 2021
Summary
Complex regional pain syndrome (CRPS) patients show altered visual attention to body images. Those with less body distortion focus more on their affected limb, while others may neglect it.
Area of Science:
- Neuroscience
- Psychology
- Rehabilitation Medicine
Background:
- Complex Regional Pain Syndrome (CRPS) is a debilitating condition often associated with sensory and motor disturbances.
- Understanding visual attentional biases in CRPS is crucial for developing targeted interventions.
Purpose of the Study:
- To investigate visual attentional behavior towards body images in CRPS patients using eye-tracking.
- To explore the relationship between visual attention patterns and clinical symptoms, particularly body cognitive distortions.
Main Methods:
- Eye-tracking technology was employed to monitor visual attention in 8 female CRPS type 1 patients and 8 healthy controls.
- Participants viewed video clips depicting social interactions and body-related stimuli.
Main Results:
- CRPS patients exhibited reduced fixation duration and count on faces compared to controls, especially those with low body cognitive distortions.
- Patients with CRPS showed significantly lower attention to their unaffected hand when it was being touched.
- Individuals with low body cognitive distortion demonstrated longer fixation on their affected hand.
Conclusions:
- Visual attentional behavior towards faces and bodies differs between CRPS patients and healthy individuals.
- Body cognitive distortion levels appear to influence attentional focus on the affected limb in CRPS, suggesting potential attentional neglect in some patients.
