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Childhood trauma and the changing brain
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Recommended: Childhood trauma and the changing brain
Isaiah Chen
Allen Ellenzweig
21 October 2014
How Memory Affects The Way We Connect People constantly experience good memories and are capable of easily sharing them with their peers, but those who have endured traumatic experiences have more difficulty communicating them. Those bad memories can actually be forgotten due to people’s ability to dissociate, which causes the brain to treat those memories differently. Because of how different levels of dissociation affect the brain, memories can be disorganized and make it difficult for people to form connections with themselves and with other people. Martha Stout’s “When I Woke Up Tuesday Morning, It Was Friday” discusses how people who have been traumatized continually enter into a “dissociative
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Trauma causes the “areas of the brain involved in memory, particularly the amygdala and the hippocampus” to stop working properly (Stout 421). Stout talks about how the “amygdala [normally] receives sensory information[,] … attaches emotional significance to [it], and then passes [it] to the hippocampus” (421). However, she states, “traumatic input is not usefully organized by the hippocampus … or integrated with other memories (421). The memories of a traumatic experience cannot be remembered as a whole and cannot be easily communicated to others due to a temporary shut down of “Broca’s area, [which is the part] of the brain that translates experience into language” (421). Because of the brain and how it functions under emotional stress, memories can become difficult to communicate to others, preventing the formation of strong bonds with others. This is supported by Fredrickson’s insight on the amygdala in the brain. She writes about how the amygdala acts under the influence of increased amounts of oxytocin, which helps with social bonding and attachment (114). Due to an increase in oxytocin, “the parts of [the] amygdala that tune in to threats are muted [and] the parts that tune in to positive social opportunities are amplified” (116). This results in a decrease in cortisol, the stress hormone and helps to create opportunities for positive social connections to occur (116). However, Fredrickson does not consider the effect of trauma on the amygdala. During a traumatic situation, more cortisol would be produced and the parts of the amygdala that tune in to threats would not be muted. Positive social opportunities would not be amplified and the possibility to form connections would be nearly nonexistent. Due to how the brain works under the impact of increased cortisol and the amount of people who would suffer from traumatic situations, it is apparent that the
Stress at the time no doubt affected the victim’s memory of her attacker. When stressed the brain is not at its greatest when it comes to memory formation and retrieval. When the body is stressed it starts to pump adrenal glands like there’s no tomorrow. The trauma by actually being ra...
Dissociation can occur any time in our life and there is two kinds of dissociation, childhood and adulthood. Child dissociation is different from adult dissociation. Child dissociation occurs when the child is actually experiencing some sort of trauma, like abuse. Adult dissociation happens in situations like stress or family related issues. Another difference is that child dissociation does not last very long (usually a hour), but adult dissociation lasts for a longer period of time. Dissociation occurs when something so painful is happening that the mind leaves the body to go elsewhere. In Martha Stout’s essay “When I Woke up On Tuesday, It Was Friday,” she defines dissociation as the mind leaving the body and transporting our awareness to a place so far away, it feels like the person is watching from outside their body. In her essay, she tells her audience about the dangers of dissociation, such as blackout, unable to relate to others, a sense of not knowing who one is, and the sense of lost time. She also includes some of her patient’s stories and experiences with dissociation, how they struggle for sanity and how she helps them see a new meaning of life. She tells her audience that often when patients or people dissociate they have lack of self-control and self-awareness. Dissociation can happen to anybody in a dire situation, for instance a child getting abused or some other traumatic event. Martha Stout has her audience/reader rethink about dissociation particularly the harmful side of it. She has help me see that although dissociation is helpful, it could lead to suicide thought, accidents, loss of identity and sanity.
Wilson J.T.L., Teasdale, G.M., Hadley, D.M., & Wiedmann, K.D., Lang, D. (2012). Post-traumatic amnesia: still a valuable yardstick. Journal of Neurology, Neurosurgery, and Psychiatry, 56, 198-201
...d disregard clues in a situation and fail to warn the person to use safety and caution (Pitman et al. 771). Research has shown that when affected by PTSD the hippocampal size has decreased between “0.0-0.5 which in percentage is 0-20%”, and that is a relatively large margin (Vilens and Sher 5). Vilens and Sher examined the reduction in the hippocampus by types of traumatic events and found that, “there seems a trend toward combat trauma resulting in larger changes, followed by childhood sexual abuse, accidents and interpersonal violence” (5). Studies on the amygdala have shown an increase in reaction to trauma related stimuli, and also play a role in the extent of the symptoms that one experiences (Pitman et al. 772). The prefrontal cortex, and corpus callosum both show lower volumes in people diagnosed with PTSD rather than those who are not (Vilens and Sher 5-6).
Repressed memories is a topic that has been an ongoing dispute among some, however ac...
Judith Herman, from Trauma and Recovery, said “Traumatic events are extraordinary, not because they occur rarely, but rather because they overwhelm the ordinary human adaptations to life” (John A. Rich, Theodore Corbin, & Sandra Bloom, 2008. Trauma does not involve the same experiences for everyone; each individual is unique in that they, and only they, can decide what is traumatic for them. Before discussing what positive things can come from suffering a traumatic experience, one must first understand that negative things can arise as well. Trauma “shatters people’s basic assumptions about themselves and the world they live in”. Three basic assumptions are challenged by trauma: (1) the belief in personal invulnerability; (2) the perception of the world as meaningful and comprehensible; and (3) the view of ourselves in a positive light” (Baumgardner & Crothers, 2009, p. 67)....
For survivors of traumatic events, the trauma itself is often only the beginning. While some are relatively unaffected, many others will develop post-traumatic stress disorder, or PTSD, an affliction that haunts its victims with terrifying memories, nightmares, and panic attacks. (For a comprehensive list of symptoms and diagnostic criteria, the reader may refer to the DSM-IV, relevant portions of which may be found online (7).) The National Institute of Mental Health estimates that 3.6 percent of Americans between the ages of 18 and 54 suffer from PTSD; 30 percent of those who have spent time in war zones - one million veterans of Vietnam alone - are affected (6). PTSD is treated with several forms of psychotherapy, including exposure therapy, centered around a controlled confrontation of frightening stimuli. While medication may treat co-occurring depression, anxiety, or insomnia (6), pharmacological agents targeting PTSD remain unavailable. In part, this is because researchers have only begun to describe the underlying neurobiology. Several recent studies have pointed to the brain structure known as the amygdala as a central player, but questions remain: How does this small structure "recognize" danger? How does it create emotional memories? What causes recurrence of these memories?
Until now, there has not been a definite understanding of how post-traumatic stress disorder occurs in the brain. The exploration into its pathophysiology is fairly recent. However, there is research around it discussing about PTSD’s pathophysiology and coming to a complete understanding. In a normal person without the disorder, a stress hormone, adrenaline, releases from the body and prepares it to flee o...
Several functional imaging studies using both testing paradigms illustrate this dysfunction. When participants with PTSD were shown fearful faces in a cognitive activation paradigm, there was a corresponding increase in cBRF using fMRI, indicating hyper-responsiveness of the amydgala to threat-related stimuli (Bryant et al., 2008). Liberzon et al. (1999) also measured cBRF in Vietnam veterans with PTSD using SPECT during a symptom provocation paradigm of combat-related sounds. The results revealed exclusive activation of the left amygdala and nucleus accumbens in PTSD patients and not in combat controls and normal
The effects of trauma on the functioning of the brain is an expanding subject of research and treatment. Trauma can change the chemistry of the brain and disrupt normal human functioning. Information in this section has been taken from the works of Judith Lewis Hermann, MD, Robert Scaer,
Dissociative identity disorder, a condition that has plagued and altered the minds of those who were diagnosed for many years, represents the condition in which an individual displays multiple personalities that overpower his or her behavior around others and even alone. Such personalities or identities can have staggering differences between them even being characterized by a disparate gender, race, or age. One of the sides of them can even be animal-like and display feral qualities. Also, the disorder severs the connection between the victim’s sense of identity, emotions, actions, and even memories from their own consciousness. The cause for this is known to be a very traumatic experience that the person had gone through previously and fails to cope with it, thus they dissociate themselves from the memory in order to keep their mental state in one piece. All these results from the disorder do not begin to tell of the rest of the horrors that gnaw away at the affected human.
Further biological research on the effect of psychological trauma on the neurochemistry of memory may help clinicians distinguish between true repressed memories and false memories in clients who report abuse. However, to date there is no method to determine the accuracy of these memories. Therefore clinicians and the courts must rely on corroborative evidence, and behavioral and physiologic clues to distinguish veracity.
At least 50% of all adults and children are exposed to a psychologically traumatic event (such as a life-threatening assault or accident, humanmade or natural disaster, or war). As many as 67% of trauma survivors experience lasting psychosocial impairment, including post-traumatic stress disorder (PTSD); panic, phobic, or generalized anxiety disorders; depression; or substance abuse.(Van der Kolk, et al, 1994) Symptoms of PTSD include persistent involuntary re-experiencing of traumatic distress, emotional numbing and detachment from other people, and hyperarousal (irritability, insomnia, fearfulness, nervous agitation). PTSD is linked to structural neurochemical changes in the central nervous system which may have a direct biological effect on health, such as vulnerability to hypertension and atherosclerotic heart disease; abnormalities in thyroid and other hormone functions; increased susceptibility to infections and immunologic disorders; and problems with pain perception, pain tolerance, and chronic pain.(Fesler, 1991) PTSD is associated with significant behavioral health risks, including smoking, poor nutrition, conflict or violence in intimate relationships, and anger or hostility.
hormones appear. The parts of the brain that are changed following the traumatic event are the
Trauma is a psychological reaction to sudden traumatic events and overwhelming issues from outside. Additionally, the exposure to activities that are outside the human’s normal experiences. Traumatic events become external and incorporate into the mind (Bloom, 1999, p. 2). Traumatization happens when the internal and external forces do not appropriately cope with the external threat. Furthermore, trauma causes problems because the client’s mind and body react in a different way and their response to social groups. The symptoms of trauma relate to irritability, intrusive thoughts, panic and anxiety, dissociation and trance-like states, and self-injurious behaviors (Bloom, 1999, p. 2). Childhood trauma happens when they live in fear for the lives of someone they love (Bloom, 1999, p. 2). Judith Herman’s trauma theory states that the idea of repressed memories relates to unconscious behavior. These repressed behaviors include those inhibited behaviors relate to memories of childhood abuse. From McNally’s point of view memories of trauma cannot be repressed especially those that are more violent (Suleiman, 2008, p. 279). In addition, one of the theories used to dealing with trauma includes the coping theory. With situations, people tend to use problem-solving and emotion-focused coping. Emotion-focused coping happens when people are dealing with stressors. When the stressors become more