Problem: When studying the effects of post-traumatic stress disorder on the hippocampus, which finding has been noted in research? Group of answer choices stimulation therapy, such as electroconvulsive therapy, can reverse the damage psychotherapy is effective at reducing the PTSD symptoms, but not the neurological effects the shrinking of the hippocampus can be reversed if the environment changes the result of this long-term stress is permanent if it occurs after puberty