Schoth, Daniel E. and Liossi, Christina
Attentional bias toward pictorial representations of pain
in individuals with chronic headache
Clinical Journal of Pain, 26, (3), . (doi:10.1097/AJP.0b013e3181bed0f9). (PMID:20173439).
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Objectives: This study investigated attentional biases for pictorial headache-related stimuli in individuals with chronic headache and healthy controls.
Methods: Attentional bias was assessed using a visual probe task that presented headache-related images and neutral images at 2 exposure duration conditions, 500 and 1250?ms.
Results: The results indicated that individuals with chronic daily headache showed a significantly greater overall attentional bias across presentation times toward headache-related stimuli compared with the controls, which indicates a bias in both initial orienting and maintained attention to pain cues in this group.
Discussion: It is concluded that both hypervigilance and sustained processing are critical factors for the maintenance of chronic pain.
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