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    Objectives:
    • 学to identify various traumatic experiences.
    • 了解儿童可能在暴露于创伤后表现出的症状。
    • 考虑对个人寿命的不利童年经历的长期影响。

    知道

    花一点时间思考你在与孩子一起工作时挣扎的时间。也许孩子觉得烦躁,没有关注或与其他孩子争论和战斗。想想展示这些行为的孩子如何被标记为“困难的孩子”或“坏孩子”以及如何影响他们对自己,他们的能力以及别人如何看待他们的方式。

    作为一名护理者,您在塑造孩子在家庭环境之外的初始体验方面发挥着重要作用。虽然与表现出挑战性行为的孩子一起工作可能很困难,但重要的是要退后一步,考虑其他可能会导致你在你的环境中经历的行为的因素。有关与表现出挑战性行为的儿童合作的更多信息,请回顾虚拟实验室重点主题课程,yabo11vipyabo11vip支持有挑战行为的儿童

    最近,您可能已阅读或听到“创伤创新的护理”一词或“创伤敏感学校”。创伤知识的护理与使用幼儿一起使用的个人特别相关。The federal government’s Substance Abuse and Mental Health Services Administration (SAMHSA) defines “trauma-informed care” as an approach that is grounded in understanding and responding to the impact of trauma in a way which focuses on the strengths of the survivor and prioritizes the physical, psychological, and emotional safety for all involved (2014).

    创伤知识的护理旨在帮助创伤的幸存者在他们的环境中感到安全,安全,并鼓励和建造幸存者的机会重建他们生活中的控制权和赋权。为了纳入创伤知识的方法,有必要了解创伤以及创伤的幸存者可能会如何处理他们的经历。

    什么是创伤?

    SAMHSA将创伤定义为一个单一事件、一系列事件或一组对个人的功能和整体福祉产生持久和有害影响的情况(2014年)。美国每4名儿童中大约有1人经历过至少一种形式的创伤(NCTSN,2008),这表明创伤是幼儿的一种常见经历。这些统计数字显示,你将不可避免地与遭受或目前遭受创伤的儿童、家庭或社区合作。

    The following are just some of the possible traumatic experiences that young children may experience, according to the National Child Traumatic Stress Network:

    • Physical, sexual, psychological, or emotional abuse.
    • Witnessing domestic violence in the home.
    • Witnessing community violence.
    • Experiencing a natural disaster.
    • Traumatic grief (the sudden loss of a caregiver or loved one).
    • 医疗伤害或疾病。
    • Experiencing a robbery or break-in.
    • 体验慢性无家可归。
    • 与父母部署或受伤等军事相关的压力源。

    我们可能会认为创伤是影响个人儿童或家庭的创伤,但是,重要的是考虑在社区一级发生的创伤。约翰霍普金斯城市健康研究所表示,整个社区通过压迫,种族歧视,普遍贫困或邻里暴力的经验忍受创伤。由于创伤发生在这些各种水平并且在多种环境中,因此创新的小心事件开始出现在刑事司法系统,学校和医疗保健设置(2013)等领域。

    Another assumption we may have regarding trauma is that it occurs as a single, one-time event that a survivor has witnessed or experienced. However, trauma is complicated and can be experienced in several ways. Trauma can beacute, appearing as a single one-time event such as a home burglary or a serious car accident, or it can be慢性的, occurring repetitively and over an extended period of time. Chronic trauma may include exposure to war, repetitively witnessing community violence, or extended displacement from a natural disaster.

    复杂的traumaadds an additional layer to traumatic experiences and is considered to be especially invasive and disruptive to a child’s development. Complex trauma consists of varied and multiple traumas and often stems from experiences with trusted caregivers in early childhood. Children that have been neglected, or emotionally, sexually, or physically abused may be dealing with complex trauma.

    复杂的心理创伤可以对年轻人尤其有害children because it occurs within the caregiving system, or with the individual that is supposed to be a source of safety and stability in a child’s life. Complex trauma in early childhood can interfere with a child’s ability to form a secure attachment to a caregiver. Attachment theory suggests that children’s early experiences with their primary caregivers are critical and have a lasting impact on children’s lives (Bowlby, 1969). Children that struggle to form a positive secure attachment to their caregivers within the first few years of life due to complex trauma may have difficulties forming healthy intimate relationships or establishing and maintaining healthy boundaries in adulthood. For more information on attachment theory in early childhood, see these Virtual Lab School lessons in the婴儿幼儿轨道:认知发展课程三节andSelf and Cultural Understanding Lesson One

    Trauma in Families

    创伤可能发生在不同的层次,并由个人、家庭和整个社区经历。有些家庭承受着各种潜在的创伤情况或经历。例如,父母离婚、监禁家庭成员或诊断晚期疾病都有可能成为家庭的创伤经历。一些家庭可能面临的另一种普遍的创伤经历是无家可归,估计有130万儿童在美国某一特定时间遭受无家可归。慢性无家可归对幼儿可能造成创伤,并使他们面临其他创伤经历的危险,并可能对他们的发展产生不利影响。有关无家可归特别会对您工作的儿童和家庭产生影响的更多信息,请在本课程结束时查看参考资料和资源部分。想想布兰妮的故事:

    布兰妮是您的计划中有一个6岁的孩子。她和她的母亲,父亲和18个月大的兄弟住在一起。多年来,布兰妮的家人已经挣扎着财务,并且已经进出无家可归。通常,布兰妮的家庭从家里旋转到家,在家里的朋友们一次呆在一团或两两个人。偶尔,布兰妮的家人必须诉诸于他们的车里居住了几天或几个星期,直到他们可以找到一个留下的地方。

    请记住,家庭令人难以置信的弹性,并且在体验创伤时可以作为彼此的重要支持来源。请记住,创伤可能会发生各种级别,而且不仅经过个体儿童而经历,而且也可能影响家庭或社区。

    创伤的症状

    每个孩子都是独特的经历和处理创伤。由于儿童流程经验没有标准或预期的方式,因此儿童可能会或可能不会证明的广泛的认知,社会,情感或身体症状。

    为了了解儿童可能在暴露于创伤后表现出的症状范围,有必要考虑孩子的发展阶段。孩子们在其生命的第一年以惊人的速度发展,每个人都具有独特的挑战和重要的发展里程碑。创伤的一些症状可能会影响所有年龄段的儿童,而不考虑到发展阶段。例子包括进食或睡觉,噩梦,愤怒或愤怒,不合理的恐惧或异常强烈的惊吓反应的重大变化。其他症状可能与某些发育阶段相关联。

    The following list identifies common symptoms that children may exhibit following exposure to trauma, broken down by developmental stage. It’s important to note that not all children exposed to trauma will experience these symptoms and several of the symptoms listed can be part of typical development or unrelated to trauma. When considering the symptoms that survivors of trauma may experience, it’s important to consider the severity of the symptoms and the impact these symptoms can have on the everyday lives of children and their families.

    跨发育阶段的儿童创伤症状

    Infants and young toddlers
    (出生2年)

    • Tantrums that do not stop within a few minutes
    • 无法抚慰或安慰
    • 很容易吓了
    • 丧失技能(例如,使用厕所或演讲)
    • 侵略
    • Sleeplessness
    • 退出以前可信赖的成年人
    • Avoidance of eye contact or physical contact

    Older toddlers and preschoolers
    (3-5岁)

    • 糟糕的技能开发
    • 难以聚焦
    • Inability to trust others or make friends
    • 胃痛和头痛
    • 异常的粘着力
    • Bedwetting
    • Sleeplessness
    • Eating problems
    • 缺乏自信
    • 在社会环境中表现出来

    学龄儿童
    (6-12年)

    • School problems
    • 自杀思想或行动
    • 模仿创伤事件
    • 对他人的口头虐待
    • 过度反应情况
    • Fear of being separated from caregiver
    • 胃痛、头痛、其他身体问题
    • 寂寞
    • 缺乏自信
    • Fear of adults who remind them of the trauma
    • 超越儿童年龄的性知识
    • Hoarding of food

    Source: Mental Health Connection of Tarrant County, Texas.

    虽然有一系列症状,儿童可能表现出由于创伤,但程序员工看到的最常见症状是:刺眼,焦虑,烦躁,冲动,难以集中,侵略和挑战性行为。暴露于创伤可以表现为挑战性的行为,这是对工作人员的压倒性和令人沮丧的行为。重要的是要记住孩子使用行为作为一种沟通形式,而且由于他们所经历的创伤,他们可能表达困难或挑战性的行为。了解创伤可能对儿童发展和行为的影响是至关重要的,以便您可以对其需求进行敏感和敏感。有关了解和响应具有挑战性行为的更多信息,请参阅VLS重点主题课程:yabo11vip支持ing Children with Challenging Behaviorand儿童与青年的性发展与行为

    创伤压力

    When we encounter a stressful situation, our bodies react to protect us from the perceived threat; you may have heard this referred to as the “fight or flight” reaction. It’s normal for our bodies to increase heart rate, begin to sweat, or become hyper-alert following a situation we believe to be dangerous. These immediate physiological reactions return to normal once we feel that the danger has passed. However, some children that have experienced trauma can have longer-lasting reactions that interfere with their daily lives and their physical and emotional development (NTCSN, 2003).

    持久创伤的儿童处于发展儿童创伤压力的风险增加。国家儿童创伤应力网络描述了创伤压力作为对创伤的反应,这显着干扰了孩子的功能和完成日常活动的能力。具有创伤压力的儿童可能会体验重大症状,例如强烈的情绪不安,抑郁或焦虑,严重的行为变化,注意力困难,以及进食或睡觉的问题。

    多年来,与创伤有关的疼痛可能持续存在。创伤的提醒,如人,地方,物品,嗅觉或纪念品,可能会带来与创伤相关的困难或强烈情绪,并且可以在一定程度上进行预期。例如,当以某种方式提醒过去的创伤事件时,通过见证家庭暴力可能会遇到激烈的焦虑的成年人(例如,成年人彼此大吼大叫或看到个人吼叫),或者看到个人受到震惊或看到个人受到击中)。

    While trauma can be a life-altering experience, not all children develop traumatic stress that interferes with their daily lives. In fact, there are several factors that can influence the severity of symptoms that children may experience. The National Child Traumatic Stress Network outlines several factors that may affect the way a survivor may process or experience the trauma.

    Severity of the event 活动有多严重?孩子或他们喜欢受伤的人有多糟糕?有没有人去医院?警察涉及吗?孩子是否与护理人员分开?家庭成员死了吗?
    接近事件 孩子们实际上是在活动发生的地方吗?他们看到这个活动发生在某人身上还是他们是受害者?他们在电视上看了这个活动吗?他们听到有人谈论这个活动吗?
    照顾者反应 家人是否相信孩子正在讲述真相?护理人员如何应对孩子的需求,他们是如何应对这一活动的?
    创伤的之前的历史 被重复暴露于创伤的儿童更有可能开发创伤应激反应。
    Family and community factors 文化、种族和种族的儿童,他们的足总milies and communities can be a protective factor.

    虽然有几个因素可能会增加孩子发展创伤应激症状的风险,但也有各种各样的保护因素这有助于鼓励健康应对和缓冲措施,免受与创伤相关的有害和持久症状。家庭或社区内的一些重要保护区因素可以帮助促进生存创伤的儿童的恢复力或愈合,包括强大的文化身份,稳定的住房,经济稳定,获得医疗保健,与支持性信仰界的隶属度以及与家庭的联系和朋友介绍未经暴力组织的期货。考虑玛丽亚和她的家人的保护区:

    Maria, one of the children in your care, recently lost her mother to cancer. While this experience was clearly a traumatic experience for Maria, her close-knit family and community came together to help support her and encourage healthy coping. Maria’s neighbors and members from her faith community showed their support by assisting the family with immediate needs. Maria’s father created a safe environment for Maria to express her feelings and even signed the family up for counseling services. Maria’s father has communicated with you so that you are aware of the situation at home.

    作为一个看护人和教育者,您在帮助儿童开发恢复能力方面发挥着重要作用,以便更好地保护它们经历与暴露于创伤相关的有害症状。通过在您的环境中使用创伤知识的护理,您可以帮助孩子感到安全,建立信任,并在您的房间里有声音和选择,所有这些都支持健康的应对,并促进接触创伤后的恢复力。

    评估创伤:ACE研究

    一个著名的研究,探讨了far-reaching impact of exposure to trauma during childhood is The Adverse Childhood Experiences Study (ACE). The ACE study is one of the most expansive investigations to date and explores the connection between adversity in childhood and later-life health and well-being (Centers for Disease Control and Prevention, 2016). In 1995, the Centers for Disease Control and Prevention (CDC) and Kaiser Permanente collected data from over 17,000 individuals in California. The participants of this study were asked to complete surveys about their childhood experiences as well as their current health statuses. Findings from this study suggest that adverse childhood experiences are common—nearly 2/3 of participants reported at least one ACE and more than 1 in 5 participants reported enduring three or more ACEs during childhood (CDC, 2016).

    虽然没有孩子可能会经历的每一个王牌的完整列表,但ACE研究中确定的不利童年经历包括以下创伤事件的例子:

    • 身体虐待
    • 性虐待
    • 情绪虐待
    • 身体忽视
    • 情绪疏忽
    • 见证亲密的合作伙伴暴力
    • 目睹你的母亲以暴力的方式对待
    • 家庭内的物质滥用
    • 家庭精神病
    • 父母分离或离婚
    • 被监禁的家庭成员

    Aces在整个寿命中的影响

    ACE研究的调查结果表明,童年更不利的经历个人持久,其成年期间健康和社会问题的风险越高。当孩子们有ACE时,它可以创造变化和结果,包括:

    • Disrupted neurodevelopment

      当孩子们从创伤中经历极度压力而没有支持效果的支持,它会改变大脑如何发展。压力导致身体释放更多的皮质醇,当升高与健康问题相关时的激素。
    • Social emotional and cognitive impairments

      The parts of the brain that control decision-making, impulse control, and processing of emotions may develop differently in children who have experienced trauma. These children may need more help developing relationships with others and may require specialized strategies or more help and time to learn new skills.
    • 采用健康风险行为

      患有较多的ACE的人可能更容易发生健康风险行为,如药物和酒精滥用,身体不活跃,吸烟和无保护性行为。
    • 疾病,残疾和社会问题

      ACEs are also associated with more health and social issues including heart disease, cancer, depression, unintended pregnancy, and poor academic achievement.
    • 早期死亡

      一个人的ACE数量与其预期年龄有关。这意味着,与ACE较少的人相比,ACE数量越高的人死亡越年轻。

    laci的故事

    花点时间读一下拉西幼年的不良童年经历,以及这些经历对她后来的发展和行为的影响。下图概述了Laci的ACEs如何影响她的神经发育、社会情感和认知发展、采取健康风险行为、社会问题和早期死亡。记住,虽然孩子可能经历过几次ACE,但并不一定意味着他们会遵循相同的轨迹。

    • 3岁:

      当Laci是3岁的时候,她的父亲在常规基础上始于身体上和性虐待她;在她童年时期,这种虐待持续了几年。Laci还经常看到她的父亲身体上,情感地虐待她的母亲。只要她召回,她的父亲都会挣扎着酗酒,她的母亲也开始喝得很大。

    • 5岁:

      幼儿期间经历的创伤和慢性应激留滞影响着她的大脑的发展。当Laci在学龄前,她的老师指出,亚慱彩票她比典型更冲动,并且难以学习与同龄人互动。yabo电子游艺她还需要更多的时间,并帮助学习厕所培训等自助技能。LACI被确定为具有残疾的学生,并与个性化教育计划(IEP)进入幼儿园。

    • Age 13:

      多年来,Laci在学校变得不高兴;她在那种环境中发现了yabo电子游艺学习困难,每周至少跳过一次学校。在课堂上,Laci与她的同龄人有困难。通常,他们发现很难与她合作,因为她会对她的同学们感到沮丧,威胁要伤害他们,有时会在教室里开始体力战斗。这时,Laci的父亲被捕并被监禁在她的剩余时间。

    • Age 16:

      在高中,Laci采用了几个不健康的行为。她每天开始吸烟香烟和大麻。到10年级结束时,她冒险进入较硬的药物,如可卡因,她经常从事未受保护的性行为。

    • Age 29:

      在成年期,Laci难以保持密切的关系和就业。人们似乎漂浮在她的生活中,她从来没有能够保持工作很长时间。当她在20多岁时,Laci向海洛因的成瘾发达了瘾,经历了几个接近致命的过量。Laci经常感到孤独,因为她没有与家人或朋友有任何密切的关系。

    • 31岁:

      31岁时,拉西过量服用海洛因,这夺走了她的生命。

    After learning about Laci’s story, it’s important to remember that although adverse childhood experiences can have significant effects on one’s life, strong relationships are an important protective factor. Children are resilient and although some may experience significant ACEs, family and community supports can help children better cope with these experiences and disrupt an otherwise negative trajectory. In the next lesson, you will learn more about the role you and your program play in supporting children and youth through adverse experiences to promote resilience.

    See

    Listen as experts on trauma-informed care discuss trauma and its effects on children and youth, adverse childhood experiences, and the importance of building resilience through relationships. Are there children and youth in your program who have experienced trauma? How does your program support the development of resilience?

    创伤知情护理概论

    An expert discusses how trauma may affect the behavior of children and youth and the tenets of trauma-informed care.

    不利的童年体验和创伤生活事件

    专家描述了ACE研究以及童年经历如何影响后期的健康和社会结果。

    通过关系建立弹性

    An expert describes how nurturing relationships are a protective factor for children affected by trauma.

    CAPPD是由乘以联系倡议开发的首字母缩写,为看护人提供与幸存的儿童一起使用的护理人员。CAPPD呼吁CAPEIVERS的信件是平静,调整,礼物,可预测的 - 并且不要让孩子的情绪升级你自己的升级。通过下面的CAPPD的每个元素读取,并参考使用CAPPD步骤的护理人员示例的学习附件。

    冷静的: Regulating your emotions and returning to a calm state after being alarmed or shocked can be beneficial for you and the children you care for.想想你用来调节你的情绪的健康方法,并尝试在环境中展示这些行为。

    Attuned:被儿童的肢体语言和非语言行为。这些非语言指标可以帮助您确定孩子可能是如何感受或如何受当前活动或整体环境的影响。考虑可能提醒您对您的环境感到不舒服或焦虑的信号。另外,请考虑您将看到哪些非语言行为,如果孩子舒适或从事您的课程。

    展示:将注意力集中在孩子们身上,关注当下。向孩子们展示你正在从事和在场的环境,可以使他们感到安慰,并有助于形成安全的关系。想想什么让你觉得有人在听你说话,并且和你在一起?

    可预测的: Provide children with a structured routine so that they can feel a sense of safety and stability. When children feel safe, they can focus on other cognitive tasks.Think about some of the routines you have in your room and how they provide stability to the children you work with.

    做n’t:不要让孩子的情绪升级你自己的情绪。当孩子情绪升级时,要注意你是如何经历这种情况的,以及你的反应是否正在平静或进一步升级。想想与孩子一起工作时你感到沮丧的时候:你怎么能练习剩下的平静和放松情绪?

    完成本课程

    参观创伤知识护理课程指南有关本课程内部期望的更多信息,以及随附的学习,探索以及在整个课程中提供的资源和活动的列表。

    请注意每节课末尾的参考资料和资源部分,概述参考资料来源和资源,以查找有关所涵盖主题的更多信息。当你完成课程时,你不需要查看所有的在线参考资料。但是,如果您感兴趣,或应培训师、教练或管理员的要求,欢迎您进一步探索资源。

    探索

    探索

    你童年的经历是什么让你今天是谁?你遇到过不利的童年经历吗?如果是这样,您如何应对这些经验?作为护理人员,探索自己的背景可以有助于批判性地思考您如何影响您与您工作的儿童相关的方式。点评审查我的ace得分是什么?handout. Take a few minutes to familiarize yourself with the questionnaire, if you feel comfortable, you can respond to the questions and calculate your ACE score. This handout involves sensitive topics and it is up to your discretion whether you share. If, after completing this unit, you would like to speak to someone about your own experiences with trauma, speak with your coach, trainer, or administrator to identify counseling resources accessible in your area.

    申请

    申请

    暴露在创伤中会影响孩子在你的程序中的行为方式。挑战性行为,如抵抗、不尊重或消极的注意力寻求可能与孩子试图应对创伤有关。审查Recognizing Trauma工作表。花几分钟才能阅读并回复这些问题。然后,与培训师,教练或管理员分享并讨论您的回复。

    词汇表

    学期 描述
    急性创伤 A single traumatic event (e.g., burglary, natural disaster, house fire)
    Adverse Childhood Experiences (ACEs) A traumatic experience in an individual’s life that occurred before the age of 18 years of age.
    附件理论 John Bowlby创造的早期儿童发展理论,指出婴儿的早期附属和与主要看护人的粘合对于在成年期形成健康的亲密关系是重要的。
    慢性创伤 Trauma that occurs repetitively, or more than once (e.g., domestic violence, exposure to war).
    复杂的创伤 在童年早期发生的多种或各种创伤,涉及小学家(例如,性虐待,身体虐待,忽视)。
    保护因素 Conditions or attributes in individuals, families, or communities that promote health and well-being.
    创伤知识护理 一种接地的方法,以理解和对创伤的影响为基础的影响,这是基于优势的,并优先考虑创伤幸存者的身体,心理和情感安全性以及护理人员。
    创伤压力 当接触创伤导致孩子无法正常工作时。孩子可能会感觉到与创伤暴露相关的强烈症状(例如抑郁、焦虑、行为改变)。

    Demonstrate

    Demonstrate
    Assessment:

    Q1

    选择幸存者可能处理或体验创伤的方式影响哪些因素:

    Q2

    儿童不良经历(ACE)研究的一个重要发现是。。。

    Q3

    在员工休息期间,新老师,Werner,告诉同伴老师,哈维尔,与一个新的2岁的学生在他班上有挑战性的一天。Werner说:“我可以告诉罗尼会有麻烦。他不会让其他孩子靠近他,当我和他说话时,他不会在眼中。“知情人士知情的javier最有可能回复:

    参考资料:

    Bowlby,J.(1969)。Attachment and Loss: Vol 1. Loss。纽约:基本书。

    疾病预防与控制中心。(2016)。关于CDC-Kaiser Ace研究。从...获得https://www.cdc.gov/violienceprevention/acestudy/about.html.

    发展中国家的中心。(2020)。有毒压力的指南。哈佛大学。从...获得https://developingchild.harvard.edu/guide/a-guide-to-toxic-tress/

    儿童储蓄者。(2019)。创伤。从...获得:https://childsavers.org/trauma/

    儿童学院。(N.D.)。从...获得https://www.childtrauma.org/

    儿童福利信息门户。(2015)。促进虐待儿童受害者保护因素及忽视:从业者的指导。从https://www.childwelfare.gov/pubs/factsheets/victimscan/

    密苏里州婴儿和幼儿心理健康协会。(N.D.)。资源http://www.moaimh -ec.org/resources.

    约翰霍普金斯城市健康研究所。(2015)。愈合在一起:社区级创伤:它会导致后果和解决方案。简要介绍:“创伤知识”护理简介:重要组成部分和关键资源(2015年)。从...获得http://urbanhealth.jhu.edu/sdh_symposium/2015.html.

    Mental Health Connection of Tarrant County (Texas). (n.d.). Symptoms of Trauma. Retrieved fromhttp://www.recognizetrauma.org/symptoms.php.

    乘以连接。(2010)。CAPPD实际干预措施,以帮助受创伤影响的儿童。从...获得http://www.multiplyingconnections.org/become-trauma-informed/cappd-interventions-guide

    Nakazawa,D. J.(2016)。aces太高:童年逆境的七种方式改变了孩子的大脑。从...获得https://acestoohigh.com/2016/09/08/7a -ways-child - adversity-changes-a-childs-brain/

    The National Child Traumatic Stress Network (n.d.). About Child Trauma. Retrieved from
    https://www.nctsn.org/what-is-child-trauma/about-child-trauma.

    The National Child Traumatic Stress Network. (2008). Child Traumatic Stress: What Every Policymaker Should Know. Retrieved fromhttps://www.nctsn.org/sites/default/files/resources//child_traumatic_stress_what_policymakers_should_know.pdf

    全国儿童创伤压力网络(2005). 创伤和无家可归儿童的事实。检索自https://www.nctsn.org/sites/default/files/resources/facts_on_trauma_and_homeless_children.pdf.

    The National Council for Behavioral Health. (n.d.). How to Manage Trauma. Retrieved fromhttps://www.thenationalcouncil.org/wp-content/uploads/2013/05/trauma-infography.pdf.

    无承诺未经暴力的期货:保护因素和弹性。(N.D.)。从...获得http://promising.futureswithoutviolience.org/what-do-kids-need/supporting-parenting/protective-factors-resilifices/

    Samhsa。(2019)。创伤和暴力。从...获得https://www.samhsa.gov/trauma-violence