The aim was to describe the comorbidity and impact of fibromyalgia and/or migraine on patients with cluster headache. Comorbid diseases can exacerbate the physical and psychological burden experienced by patients. The comorbidities of cluster headache have been scarcely investigated, with the exception of migraine, which is well-known to coexist with cluster headache.
View Article and Find Full Text PDFThere is a growing interest in the use of webcams to conduct eye-tracking experiments over the internet. We assessed the performance of two webcam-based eye-tracking techniques for behavioral research: manual annotation of webcam videos () and the automated WebGazer eye-tracking algorithm. We compared these methods to a traditional infrared eye-tracker and assessed their performance in both lab and web-based settings.
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