Post-Traumatic Stress Disorder or PTSD is an anxiety disorder that affects 1.4 million Australians. The section of the brain has been the primary target for the research behind PTSD is the amygdala because of its involvement in implicit and explicit emotional memory and fear learning. Recently the Queensland Brain Institute published in the journal of Molecular Psychiatry, A mouse study conducted by researchers found that the adult brain can regenerate new nerve cells in the amygdala. This is an important step forward for the research of PTSD which can develop new and more effect ways of treatment for PTSD sufferers. The Daily was joined on the line by Senior Research Fellow Dr Dhanisha Jhaveri from University of Queensland’s Brain Institute to talk more about PTSD and the research findings.