According to this useful round-up of the relevant research by Richard J. McNally, a Harvard professor of psychology, here are the main nuggets about triggering. So, most people who have been traumatized donโt develop post-traumatic stress disorder. PTSD is fairly common among victims of sexual assault, though about half of those who have been raped recover from their trauma in a few months. But what about the โtriggeringโ stuff? Thatโs what Iโm most interested in. Hereโs McNally:
Trigger warnings are designed to help survivors avoid reminders of their trauma, thereby preventing emotional discomfort. Yet avoidance reinforces PTSD. Conversely, systematic exposure to triggers and the memories they provoke is the most effective means of overcoming the disorder.
Enabling avoidance may make PTSD worse. Sarah Roff, a psychiatrist, has sounded the same note in the Chronicle of Higher Education.
As a psychiatrist, I nonetheless have to question whether trigger warnings are in such studentsโ best interests. One of the cardinal symptoms of PTSD is avoidance, which can become the most impairing symptom of all. If someone has been so affected by an event in her life that reading a description of a rape in Ovidโs Metamorphoses can trigger nightmares, flashbacks, and panic attacks, she is likely to be functionally impaired in areas of her life well beyond the classroom. The solution is not to help these students dig themselves further into a life of fear and avoidance by allowing them to keep away from upsetting material.
Now, this does not imply that we ought to go around trying to trigger memories of trauma in order to confer upon the traumatized the therapeutic benefits of facing their troubles head-on. That kind of intentional confrontation ought to occur in a controlled, clinical context. But it seems clear enough that catering to avoidance by offering speculative warnings and by tiptoeing around possibly sensitive subjects doesnโt really help, and might even hurt a little. It seems pretty implausible that teachers and writers might have some kind of general obligation to do something that doesnโt really help and might even make things worse, doesnโt it?
The piece Will Wilkinson cites at Pacific Standard is worth your timeโas is this piece at The Awl and this one at the New Republic and this piece in The New Yorker and this piece at Salon and this piece at the Chronicle of Higher Education and this other piece at The New Yorker.
Yes, many conservatives are guilty of “pitiless anti-PC provocation,” as Wilkinson puts it, when discussing trigger warnings and PC culture on campus generally. And, yes, there are students on every campus who suffer from PTSD and they deserve reasonable consideration and accommodation. But it’s also true that demands for trigger warnings have been made by lots of “regular students who might feel ‘uncomfortable’ with certain concepts,” as Sydney put it this morning. Students who make unreasonable demands for trigger warningsโand then hide behind people who may actually need and benefit from them when they’re called outโdiscredit the whole concept of trigger warnings and thereby make college campuses less safe for people who might actually need and benefit from them.
The left should be calling the bullshitters out, not pretending they don’t exist.

Dan this is nuts I’m sorry.. This subject of triggering was new to me before I read the article you linked to. I was shocked at the callousness of the author and the other pieces that he linked to. It sounded like they were all saying “hey most rape victims get over it so why should we care if we might be triggering them? Besides, what about all the bullshitters that are falsely crying rape? Why should we all walk around on eggshells just because somebody says they were raped?” And I thought, “man, Dan Savage is going to rip this guy three brand new ones.” I was literally heartbroken when I read on to find that you seem to pretty much go along with this position. Dan, you must know that the vast majority of people who have the courage to say that they have been raped are telling the truth, and the cry Wolfers are in the extreme minority. It is not unreasonable for a rape victim to ask you not to tell rape jokes or use the word casually as in “I got raped at the supermarket today” or “man those Cowboys really raped those Redskins last night” any more than it is unreasonable for a war victim to ask you not to talk about massacres and explosions. if it’s true that non-avoidance is a truly legitimate treatment for PTSD (an assumption that seems all too easily accepted despite the high level of newness in this area) then yes that therapy belongs in a strictly medical setting. But if someone does not want to read about it in the classroom or take part in the discussion I’m sure they should be allowed to choose alternative educational material. Dan I have loved you for many years and you are usually spot on, but sometimes you are dead wrong. And I’m sorry I have to speak out but I think you should strongly consider re-evaluating your position on this and err on the side of caution for the benefit of people who have truly been traumatized buy rape, violence and War.