Autistic children and adults may be experiencing PTSD at higher rates than official diagnoses suggest, with their symptoms misdiagnosed or dismissed as being autism traits because of 'diagnostic overshadowing,’ finds a new analysis by UCL researchers. The study, published in Clinical Psychology Review , reviewed diagnosed PTSD (post-traumatic stress disorder) rates in over 190,000 autistic people globally, and compared them with other evidence of PTSD symptoms prevalence. The systematic review