Chronic opioid treatment may raise risk of post-traumatic stress disorder, study finds

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Senior author Michael Fanselow, UCLA distinguished Staglin family professor of psychology and director of UCLA’s Staglin Family Music Festival Center for Brain and Behavioral HealtNews of your Scientific Reports research is the lead story on the UCLA Newsroom: http://newsroom.ucla.edu/ and is on UCLA’s home page: http://www.ucla.edu/ (on the left, under Newsroom: ‘Study reveals how brain injury can lead to post-traumatic stress disorder’) and is on http://newsroom.ucla.edu/topics/science

Study reveals how brain injury can lead to post-traumatic stress disorder

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Study reveals how brain injury can lead to post-traumatic stress disorder. UCLA team finds that the brain processes fear differently after injury.

Post-traumatic stress disorder in U.S. military members frequently follows a concussion-like brain injury. Until now, it has been unclear why. A UCLA team of psychologists and neurologists reports that a traumatic brain injury causes changes in a brain region called the amygdala, and the brain processes fear differently after such an injury.