(Exploring Your Mind) In this article, we’re going to talk about the link between memory and trauma and the ways that an intense emotional disruption can impact your mind. Through the lens of post-traumatic stress disorder (PTSD), we’ll explain the difference between traumatic memories and regular ones.
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by Staff Writer, October 19th, 2019
There have been many studies aimed at figuring out what trauma or intense emotional experiences can do to the way a person classifies, stores, and retrieves memories. Is there a link between memory and trauma? Can traumatic memories leave a bigger mark on you than regular ones?
Some people say that we process traumatic experiences differently than we do normal ones. That difference would come in the form of an altered memory that’s harder to retrieve. But other people say that stress doesn’t alter the quality of memories and that we process them in a similar way.
People have based these positions on lab studies. The truth is that it’s hard to reproduce trauma in a controlled, safe environment. The best means we have of studying this is by analyzing people with post-traumatic stress disorder (PTSD). The idea is that their experience is a good place to start studying the link between memory and trauma.
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Some statistics about PTSD and its link to memory and trauma
The basic definition of PTSD is that it’s an irregular response people have to a traumatic, devastating, or painful experience. Referring to it as “not normal” is a mistake, though. In the end, these are reactions from normal people to things that have never happened to them before.
An inability to confront that memory leads people to experience intrusion symptoms related to the original event.
Those symptoms include things such as recurring, anxious memories, dreams, nightmares, dissociation (such as a momentary loss of consciousness), psychological discomfort, avoidance of anything that has even the smallest relationship to that experience, and intense physiological responses.
The most common causes of PTSD are things such as natural disasters (floods, earthquakes, tsunamis, etc.), accidents, and illnesses. But there’s one thing that gives people a 70-80% chance of developing it: human atrocities. That includes everything from assault, terrorism, sexual abuse, rape, and concentration camps.
The diagnostic criteria of PTSD: Lost memory
One of the diagnostic criteria in the DSM-V to know if someone has PTSD is the inability to remember certain relevant aspects of the traumatic event. That also goes by the name of dissociative amnesia. While it seems like the memories aren’t there at all, they are, and can actually change a person’s behavior.
For example, if a little girl doesn’t remember how someone sexually assaulted her in a bathroom, she may continue to avoid public bathrooms and even feel uncomfortable going into the bathroom in her house.
Core symptoms of PTSD: Flashbacks
Some of the biggest, most limiting symptoms of PTSD include things such as avoidance, bottling up emotions, hyperactivation, re-living events, and intrusive memories.
Those last ones all involve some form of re-living a traumatic event in a person’s life. This could happen through nightmares, intrusive memories, or flashbacks.
That these things happen doesn’t mean this person doesn’t still have gaps in their memory. They still can’t remember certain parts of what happened. But certain details or scenes may flash clearly into their mind for a brief moment. The big problem with this is that these flashbacks are uncontrollable and unavoidable for them.
Flashbacks aren’t memories
It’s important to understand that flashbacks aren’t a form of memory in the way that intrusive memories are. When someone has a flashback, they lose their sense of time. To them, it feels like they’re living the experience again.
This happens when there are neutral stimuli, the kind that you don’t experience as either positive or negative. These ambiguous stimuli tend to lead a person into a flashback.
For example, someone who lived through a terrorist attack may have a flashback after seeing a blue scarf around someone’s neck. It may be that the mall where the attack happened had blue walls. In other words, flashbacks are more than a painful memory, they bring with them a feeling that the traumatic experience is happening all over again.
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Amnesia and hypermnesia
At the same time, PTSD does have some concrete effects on a person’s memory. They may experience amnesia (an absence of memory), which involves disorganization or fragmentation of memory or total or partial forgetfulness.
But PTSD can also cause hypermnesia (an excess of memory), which involves intrusive memories, flashbacks, and nightmares. Both of these forms of memory alterations can coexist as well. It just depends on the things a person has forgotten, the things they’ve experienced, and the nature of the trauma.
What part of a person’s memory is altered by trauma?
Trauma seems to be specifically linked to a person’s autobiographical memory. Autobiographical memory is part of our explicit memory and helps us remember the things that have happened in our life and the world around us. This form of memory allows you to develop a logical understanding of the flow of life.
But because your memory of the trauma isn’t as consistent as normal autobiographical memories, researchers think this is where the problem lies. Your memory of the trauma is broken, fragmented. It may even feel separate from your life. Because it feels foreign to you, you end up experiencing it as intrusive.
Is there a difference between traumatic memories and regular ones?
The answer to this question is yes. One way we’ve seen that difference is that there are some special mechanisms involved in your memory when you go through high-stress situations.
Traumatic memories
Here are some of the most important aspects of traumatic memories:
- Complicated retrieval. The fragments of this memory are stored at the edges of your consciousness and can lead to emotional flashbacks.
- The passage of time can have a positive impact on memory retrieval. The more time goes by, the more likely you’ll be to be able to retrieve the memory.
- These memories are vivid and long-lasting once you get them back. Once you have, they won’t change.
- The longer the trauma lasted, though, the less likely you are to be able to retrieve the memory. For example, if a woman was abused for years, it’s less likely she’ll be able to retrieve her memory of the trauma than it will be for someone who was only abused once.
- They come up automatically and uncontrollably as a result of catalysts (neutral, but now conditioned stimuli).
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Regular memories
Everything seems to be the complete opposite with regular memories:
- They’re easy to get back and are part of a consistent life narrative.
- The passage of time has a negative impact on retrieval. The more time goes by, the harder it’ll be for you to retrieve them.
- The vividness and long-lastingness of these memories are variable. They’re very malleable and can change a lot with time.
- The more you’ve accessed that memory over time, the more likely it is you’ll be able to retrieve it.
- They come up consciously, in a voluntary way. In other words, you’re in control of them.
Based on everything we’ve talked about here, it seems that an intense and stressful emotional experience can immediately impact the way you classify, store, and retrieve information.
To paraphrase Pierre Janet (1904): it’s impossible to incorporate terrifying experiences into your ordinary systems of belief, assumption, and meaning. This means you’ll end up storing them differently, and they’ll be dissociated from your conscious mind and outside of your control.
Stillness in the Storm Editor: Why did we post this?
Psychology is the study of the nature of mind. Philosophy is the use of that mind in life. Both are critically important to gain an understanding of as they are aspects of the self. All you do and experience will pass through these gateways of being. The preceding information provides an overview of this self-knowledge, offering points to consider that people often don’t take the time to contemplate. With the choice to gain self-awareness, one can begin to see how their being works. With the wisdom of self-awareness, one has the tools to master their being and life in general, bringing order to chaos through navigating the challenges with the capacity for right action.
– Justin
Not sure how to make sense of this? Want to learn how to discern like a pro? Read this essential guide to discernment, analysis of claims, and understanding the truth in a world of deception: 4 Key Steps of Discernment – Advanced Truth-Seeking Tools.
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