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For many individuals with posttraumatic stress disorder (PTSD), short-term memory loss is a significant concern. While working to calm and organize memories of trauma, individuals with PTSD may also struggle to recall simple, everyday information. Short-term memory loss can leave an individual with PTSD with concerns over deteriorating cognitive functioning, and uncertainty about just how much forgetfulness is reasonable and how much becomes a medical concern.
The culprit involved with short-term memory challenges and PTSD is the hippocampus. The hippocampus is an organ in the brain that regulates emotions, stores long-term memories and helps us distinguish old memories from new. Studies of individuals with PTSD have found that PTSD damages the hippocampus, reducing it in volume by an average of eight percent. Not only does PTSD lead to flashbacks, anxiety and disjointed memories of traumatic events, PTSD also damages the brain’s ability to convert short-term memories into long-term memories.
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