Facts about PTSD
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Individuals with PTSD exhibit smaller hippocampal volumes, averaging 8-10 percent reduction compared to trauma-exposed individuals without the disorder, impairing memory consolidation and contextual processing of traumatic events.
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Intrusive memories in PTSD patients occur involuntarily up to 15-20 times daily on average, disrupting concentration and daily functioning far more than voluntary recall of the same events.
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Hyperarousal symptoms in PTSD patients involve elevated resting heart rates averaging 80-90 beats per minute compared to 60-80 in non-traumatized individuals, reflecting chronic nervous system dysregulation.
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Eye Movement Desensitization and Reprocessing therapy, introduced by Francine Shapiro in 1987, helps 50-60 percent of PTSD patients process traumatic memories through guided eye movements while recalling distressing experiences.
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Vietnam War combat veterans diagnosed with PTSD in the 1980s showed significantly elevated rates of cardiovascular disease and premature mortality compared to non-exposed veterans decades later.
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Prolonged Exposure Therapy, developed in the 1980s by Edna Foa, reduces PTSD symptoms in approximately 40-60 percent of patients through repeated, controlled recounting of traumatic memories.
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Approximately 3.5 percent of American adults experience PTSD in any given year, with women twice as likely as men to develop the disorder following trauma exposure.
- 01
The amygdala, a brain region processing fear, shows increased activation in individuals with PTSD during exposure to trauma-related stimuli, as demonstrated in numerous neuroimaging studies since the 1990s.