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You can search the collection of research studies being conducted at the NIH Clinical Center at Search the Studies. In addition, provides patients, family members, and members of the public easy and free access to information on clinical studies for a wide range of diseases and conditions.

Patient Recruitment

Healthy Volunteers Needed

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Neural and Psychological Mechanisms of Pain Perception

Researchers at the National Institutes of Health (NIH) seek healthy volunteers to participate in a research study. The purpose of this study is to better understand how pain and emotions are processed in the human brain and influenced by psychological factors. This is an outpatient study that may involve moderate but tolerable pain. Researchers are studying how thoughts, feelings, and learning influence pain and perception. All tests will be conducted at the NIH in Bethesda, Maryland. Compensation is provided.

Participation involves:

  • one screening and one study session each lasting one to three hours
  • psychological questionnaires
  • physiological recordings (e.g., heart rate, breathing)

You may qualify if you are:

  • 18-50 years old
  • in good health
  • fluent in English
  • available to come to NIH during daytime hours

You may not qualify if you:

  • have, or have had a medical or psychiatric condition
  • suffer from a chronic pain condition
  • use recreational drugs
  • are pregnant

Location: The NIH Clinical Center, America's research hospital, is conveniently located on the Metro Red Line (Medical Center stop) in Bethesda, Maryland. Parking is provided at no cost.

For more information:
Call: 1-800-411-1222
TTY: 1-866-411-1010
Se habla español

Or go online:
Refer to study # 15-AT-0132 (NO-MRI)

Department of Health and Human Services
National Institutes of Health Clinical Center (CC)
National Center for Complementary and Integrative Health (NCCIH)

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This page last updated on 03/07/2019

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