PainRelief.com Interview with:
Grégory Scherrer, PharmD, PhD
University of North Carolina at Chapel Hill
Depts of Cell Biology and Physiology, of Pharmacology
UNC Neuroscience Center

PainRelief.com: What is the background for this study?

Response: The placebo effect is a fascinating phenomenon where a person’s positive expectations can lead to real changes in their physical or psychological state, even without active treatment. A specific aspect of this phenomenon is placebo analgesia, where the expectation of pain relief results in an actual reduction in pain perception. Placebo analgesia demonstrates the intricate power of the human brain that can be harnessed for pain control. However, despite extensive research, the neural mechanisms underlying placebo analgesia remain largely unclear.

Our study aimed to explore the neural circuits mediating placebo analgesia, using an innovative mouse model to mimic the human placebo analgesia. By doing so, we hoped to uncover how certain brain regions interact to produce pain relief through expectation alone, potentially opening new avenues for pain control by manipulating these circuits.