National Center For Complementary And Integrative Health (nccih)

This study tests whether stimulating a nerve in the left ear with a mild electric current can change how healthy people perceive pain. Over two sessions, 76 volunteers will receive stimulation either on the vagus nerve area or a non-nerve spot, while a heat probe is applied to th…

This study aims to better understand pain by testing how people with and without pain disorders respond to various sensations like heat, cold, pressure, and sounds. Researchers will use questionnaires, physical exams, MRI scans, and sensory tests to gather detailed information. T…

This study looks at how social factors like race and ethnicity influence how people express pain and how others assess it. Researchers will measure pain responses and brain activity in healthy volunteers, then test whether feedback can improve accuracy in judging others' pain. Th…

This study looks at how thoughts and expectations change the way we feel pain. Healthy volunteers aged 18-50 will have brain scans and receive mild pain (heat or electric shocks) while researchers measure their heart rate, sweat, and brain activity. The goal is to understand pain…