A scientific instrument designed to measure the degree of pain sensation or pain threshold in a patient.
From Greek 'algesis' (pain), 'meter' (measure), blended with possible influence from 'algesimeter.' This variant emerged in medical literature as scientists standardized terminology for pain-measurement devices.
Modern versions use pressure, heat, or electrical stimulation to find your personal pain threshold—and scientists discovered that your pain tolerance isn't fixed; it changes based on your mood, expectations, and whether you're paying attention.
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