Turkish version of the Massachusetts General Hospital Cognitive and Physical Functioning Questionnaire: A reliability and validity study.

cognitive disorder.[ 14 ] In another study, cognitive dysfunctions such as difficulty in remembering and mental confusion were found to be significantly more frequent in patients with FM and additional rheumatic diseases than in patients with only rheumatic diseases.[ 15 ] Memory problems in FM may be significant enough to disrupt the daily work performance of the patients.[ 13 ] When we look at the studies on attention, it was found that there was a deficiency in cases that required more attention in a study compared to the control group in patients with FM.[ 16 ] In another study, it was found that FM patient

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