David Skuse, professor in the Behavioural Sciences Unit, Institute of Child Health, asks Chris Brewin, professor of clinical psychology, UCL Faculty of Brain Sciences, about the different forms of PTSD experience, the cognitive processes involved, and how understanding these could inform psychological therapies for the condition.This podcast was recorded at the British NeuroPsychiatry Association\u2019s 2013 AGM. For more information on the association and next year\u2019s meeting, see bnpa.org.uk.