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Memories evolve and change. Immediately after a memory is laid down, it undergoes a lengthy process of integration and reinterpretation—a process that automatically happens in the mind/brain without any input from the conscious self. When the process is complete, the experience is integrated with other life events and stops having a life of its own. As we have seen, in PTSD this process fails and the memory remains stuck—undigested and raw.
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Psychiatry, as a subspecialty of medicine, aspires to define mental illness as precisely as, let’s say, cancer of the pancreas, or streptococcal infection of the lungs. However, given the complexity of mind, brain, and human attachment systems, we have not come even close to achieving that sort of precision. Understanding what is “wrong” with people currently is more a question of the mind-set of the practitioner (and of what insurance companies will pay for) than of verifiable, objective facts.
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The neuroscientist Joseph LeDoux and his colleagues have shown that the only way we can consciously access the emotional brain is through self-awareness, i.e. by activating the medial prefrontal cortex, the part of the brain that notices what is going on inside us and thus allows us to feel what we’re feeling.
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We can now develop methods and experiences that utilize the brain’s own natural neuroplasticity to help survivors feel fully alive in the present and move on with their lives. There are fundamentally three avenues: 1) top down, by talking, (re-) connecting with others, and allowing ourselves to know and understand what is going on with us, while processing the memories of the trauma; 2) by taking medicines that shut down inappropriate alarm reactions, or by utilizing other technologies that change the way the brain organizes information, and 3) bottom up: by allowing the body to have experiences that deeply and viscerally contradict the helplessness, rage, or collapse that result from trauma. Which one of these is best for any particular survivor is an empirical question. Most people I have worked with require a combination.
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It stopped the dissociation. I can use my feelings; I’m not running away from them. I’m not held hostage by them. I can’t turn them off and on, but I can put them away.
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Increased adrenaline was responsible for our participants’ dramatic rise in heart rate and blood pressure while listening to their trauma narrative. Under normal conditions people react to a threat with a temporary increase in their stress hormones. As soon as the threat is over, the hormones dissipate and the body returns to normal. The stress hormones of traumatized people, in contrast, take much longer to return to baseline and spike quickly and disproportionately in response to mildly stressful stimuli. The insidious effects of constantly elevated stress hormones include memory and attention problems, irritability, and sleep disorders.
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Agency starts with what scientists call interoception, our awareness of our subtle sensory, body-based feelings: the greater that awareness, the greater our potential to control our lives.
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As explained by Francis Collins, director of the National Institutes of Health (of which NIMH is a part), The connectome refers to the exquisitely interconnected network of neurons (nerve cells) in your brain. Like the genome, the microbiome, and other exciting ‘ome’ fields, the effort to map the connectome and decipher the electrical signals that zap through it to generate your thoughts, feelings, and behaviors has become possible through development of powerful new tools and technologies. The connectome is now being mapped in detail under the auspices of NIMH.
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We start learning these ways of regulating our feelings from the first moment someone feeds us when we’re hungry, covers us when we’re cold, or rocks us when we’re hurt or scared. But if no one has ever looked at you with loving eyes or broken out in a smile when she sees you; if no one has rushed to help you (but instead said, “Stop crying, or I’ll give you something to cry about”), then you need to discover other ways of taking care of yourself. You are likely to experiment with anything—drugs, alcohol, binge eating, or cutting—that offers some kind of relief.
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Deactivation of the left hemisphere has a direct impact on the capacity to organize experience into logical sequences and to translate our shifting feelings and perceptions into words. (Broca’s area, which blacks out during flashbacks, is on the left side.)
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Caught between taking the suffering of their soldiers seriously and pursuing victory over the Germans, the British General Staff issued General Routine Order Number 2384 in June of 1917, which stated, “In no circumstances whatever will the expression ‘shell shock’ be used verbally or be recorded in any regimental or other casualty report, or any hospital or other medical document.” All soldiers with psychiatric problems were to be given a single diagnosis of “NYDN” (Not Yet Diagnosed, Nervous).
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The left and right sides of the brain also process the imprints of the past in dramatically different ways.2 The left brain remembers facts, statistics, and the vocabulary of events. We call on it to explain our experiences and put them in order. The right brain stores memories of sound, touch, smell, and the emotions they evoke. It reacts automatically to voices, facial features, and gestures and places experienced in the past.
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Our study clearly showed that when traumatized people are presented with images, sounds, or thoughts related to their particular experience, the amygdala reacts with alarm—even, as in Marsha’s case, thirteen years after the event. Activation of this fear center triggers the cascade of stress hormones and nerve impulses that drive up blood pressure, heart rate, and oxygen intake—preparing the body for fight or flight. The monitors attached to Marsha’s arms recorded this physiological state of frantic arousal, even though she never totally lost track of the fact that she was resting quietly in the scanner.
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Having been frequently ignored or abandoned leaves them clinging and needy, even with the people who have abused them. Having been chronically beaten, molested, and otherwise mistreated, they cannot help but define themselves as defective and worthless. They come by their self-loathing, sense of defectiveness, and worthlessness honestly. Was it any surprise that they didn’t trust anyone? Finally, the combination of feeling fundamentally despicable and overreacting to slight frustrations makes it difficult for them to make friends.
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Traumatic experiences do leave traces, whether on a large scale (on our histories and cultures) or close to home, on our families, with dark secrets being imperceptibly passed down through generations. They also leave traces on our minds and emotions, on our capacity for joy and intimacy, and even on our biology and immune systems.
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Rage that has nowhere to go is redirected against the self, in the form of depression, self-hatred, and self-destructive actions. One of my patients told me, ‘It is like hating your home, your kitchen and pots and pans, your bed, your chairs, your table, your rugs.’ Nothing feels safe – least of all your own body.
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When people are compulsively and constantly pulled back into the past, to the last time they felt intense involvement and deep emotions, they suffer from a failure of the imagination, a loss of the mental flexibility. Without imagination there is no hope, no chance to envision a better future, no place to go, no goal to reach.
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Some 80 percent of the fibers of the vagus nerve (which connects the brain with many internal organs) are afferent; that is, they run from the body into the brain.6 This means that we can directly train our arousal system by the way we breathe, chant, and move, a principle that has been utilized since time immemorial in places like China and India, and in every religious practice that I know of, but that is suspiciously eyed as “alternative” in mainstream culture.
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Our brains are built to help us function as members of a tribe.
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To people who are reliving a trauma, nothing makes sense; they are trapped in a life-or-death situation, a state of paralyzing fear or blind rage. Mind and body are constantly aroused, as if they are in imminent danger. They startle in response to the slightest noises and are frustrated by small irritations. Their sleep is chronically disturbed, and food often loses its sensual pleasures. This in turn can trigger desperate attempts to shut those feelings down by freezing and dissociation.
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Practicing mindfulness calms down the sympathetic nervous system, so that you are less likely to be thrown into fight-or-flight.11 Learning to observe and tolerate your physical reactions is a prerequisite for safely revisiting the past. If you cannot tolerate what you are feeling right now, opening up the past will only compound the misery and retraumatize you further.12 We can tolerate a great deal of discomfort as long as we stay conscious of the fact that the body’s commotions constantly shift. One moment your chest tightens, but after you take a deep breath and exhale, that feeling softens and you may observe something else, perhaps a tension in your shoulder. Now you can start exploring what happens when you take a deeper breath and notice how your rib cage expands.13 Once you feel calmer and more curious, you can go back to that sensation in your shoulder. You should not be surprised if a memory spontaneously arises in which that shoulder was somehow involved.
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Dissociation prevents the trauma from becoming integrated within the conglomerated, ever-shifting stores of autobiographical memory, in essence creating a dual memory system. Normal memory integrates the elements of each experience into the continuous flow of self-experience by a complex process of association; think of a dense but flexible network where each element exerts a subtle influence on many others. But in Julian’s case, the sensations, thoughts, and emotions of the trauma were stored separately as frozen, barely comprehensible fragments.
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Nothing was written in stone. Neither the mother’s personality, nor the infant’s neurological anomalies at birth, nor its IQ, nor its temperament—including its activity level and reactivity to stress—predicted whether a child would develop serious behavioral problems in adolescence.20 The key issue, rather, was the nature of the parent-child relationship: how parents felt about and interacted with their kids. As with Suomi’s monkeys, the combination of vulnerable infants and inflexible caregivers made for clingy, uptight kids. Insensitive, pushy, and intrusive behavior on the part of the parents at six months predicted hyperactivity and attention problems in kindergarten and beyond.
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Medications, drugs, and alcohol can also temporarily dull or obliterate unbearable sensations and feelings. But the body continues to keep the score.