To Study the Mechanisms of Acupuncture Through Functional Magnetic Resonance Imaging and Peripheral Neurosensory Testing

Healthy Subject Studies to Assess the Effect of Different Electroacupuncture Parameters on Analgesia, Peripheral Sensory Thresholds and Central Pain Processing.

Acupuncture may affect nerve functions. This study assesses the effect of acupuncture on both the peripheral and the central nerve systems

Inclusion Criteria:

• Age 18 to 80
• Male and female
• No acupuncture treatment for the past 2 weeks
• No analgesics for the past 2 weeks
• Absence of neuropathic pain states

Exclusion Criteria:

• History of psychological illness
• History of Claustrophobia
• Lack of ability to understand the experimental protocol and to adequately communicate in English
• Pregnancy
• Pending litigation
• History of head trauma
• History of trauma or surgery to lower extremities and pelvic area