What is the fine-grained topic of the following text: The aim of the current study was to provide a thorough investigation of how trauma exposure and PTSD effect adolescents' cognitive functioning (looking specifically at those tasks subserved by the hippocampus and the prefrontal cortex), correcting for the methodological flaws seen in the research thus far. Only return the topic.
The effect of trauma exposure and PTSD on adolescents' cognitive functioning, focusing on the hippocampus and prefrontal cortex.