College of Arts and Sciences

Department of Psychology

Neural Mechanisms of Pain Modulation

Principal Investigators:

Dr. Mike Morgan

Contact Information:
Office: VANC CL 208V (Vancouver Campus)
Phone: (360) 546-9726



Lab website


The analgesic effects of morphine and other opioids decrease with repeated administration. Our lab has shown that a brain structure known as the periaqueductal gray plays an important role in morphine analgesia and tolerance. Our current objective is to understand the neural mechanism within the periaqueductal gray that causes this change in morphine potency. These studies use in vitro electrophysiology and behavioral pharmacology to link molecular changes in cell signaling to behavior.

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Department of Psychology, Washington State University, Pullman WA 99164-4820, 509-335-2631, Contact Us