National Center For Complementary And Integrative Health (nccih)

This study compares nerve function in people with PIEZO2 Deficiency Syndrome (a rare genetic condition that reduces touch and pain sensation) to healthy volunteers. Researchers use thin needles to record nerve activity while applying various sensations like brushing, heat, and pi…

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 aims to better understand fatigue by comparing people who have felt tired for more than a month with those who are not fatigued. Researchers will use questionnaires, physical tests, and optional brain scans to identify different types of fatigue. The goal is to gather …

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…

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 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…