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Mental Health HomepageConditions LibraryConditions CategoryConditions CategoryWhat Happens in Your Brain During a PTSD Flashback?
Table of Contents:OverviewFlashbacksImpact of Trauma on the BrainWays to Help Those Around YouTherapy Can Help You Overcome Flashbacks
PTSDRead Time: 5 Minutes
Published On: July 4, 2019
Updated On: November 3, 2023
Overview
Flashbacks
Impact of Trauma on the Brain
You might be wondering how can flashbacks be such an all consuming, visceral experience? How can they transport you back to the traumatic experience almost instantly? To understand that, we’ll explain what’s happening in your brain when a flashback occurs.
What happens to different parts of the brain
The hippocampus, the other region of your brain heavily involved in memory, acts like the brain’s historian. It catalogs all the different details of an experience — who was there, where it happened, and what time of day it was — into one cohesive event you can consciously recollect as a memory. In your typical, day-to-day life, your amygdala and hippocampus work together to turn your experiences into distinct long-term memories.
However, during a traumatic event this system works a bit differently. Because you are in danger, your body’s built in fight-or-flight mechanism takes over and your amygdala is over-activated while the hippocampus is suppressed. From an evolutionary perspective, this makes sense: the processes involved in building a cohesive memory are deprioritized in favor of paying attention to the immediate danger. As a result, your memory becomes jumbled.
After the threat has passed
When the threat has passed, you are left with a strong, negative emotional memory of the experience, but you lack clear recollection of the context of the event. In other words, you may learn to associate individual sights, smells, and sounds from the event with danger, but be unable to recall the sequence of events clearly.
Later on, if you encounter things that remind you of the traumatic event, like a smell that was present when it happened, your amygdala will retrieve that memory and respond strongly — signaling that you are in danger and automatically activating your fight-or-flight system. This is why during a flashback, you start sweating, your heart races, and you breath heavily — your amygdala has set off a chain reaction to prepare your body to respond against a threat.
Normally when your amygdala senses a possible threat, your hippocampus will then kick in to bring in context from past memories to determine whether or not you are really in danger. But because the hippocampus wasn’t functioning properly during the traumatic experience, the context of the memory wasn’t stored, and there’s no feedback system to tell your amygdala this situation is different and you’re not in danger. Also, since the memory is retrieved without context like where or when the experience happened, you might even feel like the traumatic experience is happening again.
Ways to Help Those Around You
Although you may not know whether someone close to home suffers from combat related PTSD, there are small precautions everyone can take to make the holiday a safe, fun experience for all.
Be courteous
Be courteous in timing of fireworks. Often, the problem for PTSD sufferers isn’t on the day of the 4th because they prepare for fireworks during this time. Fireworks may be more of a trigger during the middle of the night, the days prior, and the days after the 4th of July while they’re no longer expected.
Offer a warning
If you are aware you live near a veteran, please give them a warning of the times you will be using fireworks, be courteous of your neighbors.
Consider other ways of celebrating
Therapy Can Help You Overcome FlashbacksUnderstanding what’s happening in your brain during a PTSD flashback can help you learn strategies to cope. You canwork with a therapistto identify triggers for your flashbacks, such as certain objects, people, or places. Then, you can work with them to identify ways to respond calmly to these triggers through relaxation techniques as well as exposure andcognitive behavioral therapies..While PTSD can be a debilitating condition — in some cases taking years for the survivor to be stable and healthy enough to process the trauma — with appropriate treatment it can be successfully overcome. Work with a licensed therapist to managePTSD symptoms in the workplace, at home, and in your day-to-day.
Therapy Can Help You Overcome Flashbacks
Understanding what’s happening in your brain during a PTSD flashback can help you learn strategies to cope. You canwork with a therapistto identify triggers for your flashbacks, such as certain objects, people, or places. Then, you can work with them to identify ways to respond calmly to these triggers through relaxation techniques as well as exposure andcognitive behavioral therapies..While PTSD can be a debilitating condition — in some cases taking years for the survivor to be stable and healthy enough to process the trauma — with appropriate treatment it can be successfully overcome. Work with a licensed therapist to managePTSD symptoms in the workplace, at home, and in your day-to-day.
Tiffany ChiContributor
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