The Effects of Pain and Pain Relief on Peripheral Nerve Excitability
The Effects of Pain and Pain Relief on Peripheral Nerve Excitability
This study will assess changes in nerve excitability of C-fibers, and changes in sympathetic or parasympathetic tone, when the subject experiences pain and pain relief.
The investigators will continuously measure blood pressure, heart rate, respiration rate, gastric motility, sympathetic skin response and C-fiber excitability while using thermal stimuli before and after an analgesic.
Inclusion Criteria:
Exclusion Criteria:
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