This research is structured as a cross-sectional observational study. The primary objective is to compare central sensitization across painful and painless phenotypes of diabetic peripheral neuropathy. The study will be conducted among individuals diagnosed with type 2 diabetes mellitus at the Department of Geriatrics, İnönü University Turgut Özal Medical Center. All assessments will be administered in accordance with a rigorously standardized protocol. Eligible participants will include individuals aged 18 to 80 years who have had a confirmed diagnosis of type 2 diabetes mellitus for at least one year, are capable of comprehending and following verbal instructions in Turkish required for the study procedures, and provide written informed consent. All statistical analyses will be performed using IBM SPSS Statistics (v.29, Armonk, NY, USA) and JASP (v.0.18, Amsterdam, Netherlands).
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Conditioned Pain Modulation (CPM) Test
Timeframe: Immediately before cuff inflation and immidiately after completion of the conditioning protocol