A child growing up in an unpredictable home becomes watchful. Another learns to stay quiet, anticipate moods, or keep everyone pleased. A third becomes unusually self-reliant, deciding early that needing other people is dangerous. These patterns may look like personality, defiance, or weakness when viewed outside their original setting. Within the child’s world, however, they may be intelligent attempts to preserve safety, connection, or control.

The effects of childhood trauma are not confined to memory. The developing child learns from adversity. Attention, emotion, stress physiology, expectations, and relationships begin adapting to the world the child repeatedly encounters. A response that protects a child in danger can later create difficulty when it continues in safer surroundings.

Childhood trauma does not write an unchangeable ending. Early adversity can alter developmental pathways and increase later risk, but its effects depend on the experience, the child, the surrounding relationships, and what happens afterward. Understanding trauma requires holding two truths together: what happened matters, and development remains open to influence.

Childhood Trauma: Definition and Important Distinctions

Trauma language is now common, but several related terms are often treated as interchangeable. They describe different parts of the picture.

The distinctions matter. Not every painful or difficult childhood experience is traumatic. Not every ACE produces traumatic stress, and not every traumatized child develops PTSD. The National Child Traumatic Stress Network (n.d.) defines child traumatic stress through reactions that persist and affect daily functioning, while the CDC (2026) describes ACEs as potentially traumatic events. Exposure and response are related, but they are not identical.

Trauma is also not a retrospective explanation for every adult struggle. Anxiety, emotional volatility, concentration problems, sleep disturbance, relationship conflict, and physical symptoms can arise through many pathways. Trauma-informed understanding expands the clinical picture; it should not collapse the picture into one presumed cause.

Forms, Timing, and Contexts of Childhood Adversity

Traditional ACE lists brought needed attention to abuse, neglect, domestic violence, caregiver substance use or mental illness, incarceration, and family instability. Yet a simple list can imply that very different experiences affect development in the same way. Research increasingly asks what the child actually encountered.

• Threat and interpersonal harm include experiences involving danger or anticipated harm, such as physical or sexual abuse, emotional terror, domestic violence, community violence, and traumatic loss. Threat can tune attention and learning toward detecting danger.
• Deprivation and unmet developmental needs involve the absence of expected care, stimulation, language, emotional engagement, or cognitive input. Physical and emotional neglect may deprive a child of experiences needed for learning and regulation even when there is no single terrifying event.
• Disrupted safety and caregiving may include repeated separations, unstable housing, caregiver impairment, incarceration, frightening caregiver behavior, or chronic inconsistency. These conditions can compromise the reliable care through which children learn that distress can be shared and settled.

McLaughlin, Sheridan, and Lambert (2014) distinguish threat from deprivation because each may influence development through partly different mechanisms. Threat is closely connected with fear learning and danger detection. Deprivation may more strongly affect cognitive stimulation, learning, and executive development. These dimensions can overlap, but separating them is more informative than treating all adversity as one uniform dose.

Timing and continuity matter as well. A single frightening incident differs from chronic exposure. Trauma within an attachment relationship poses a special dilemma because the person a child depends on for safety may also be the source of fear. Poverty, divorce, caregiver illness, or household substance use should not automatically be labeled traumatic; their meaning depends on the instability, deprivation, danger, loss, frightening behavior, and disrupted care the child experiences.

Why Similar Experiences Produce Different Outcomes

Children exposed to apparently similar events do not develop identical reactions. The consequences of adversity emerge through interactions among the experience, the developing child, and the systems surrounding that child.

Relevant influences include developmental stage; whether an event was isolated, repeated, or unpredictable; whether a caregiver protected the child or caused the harm; prior adversity; temperament; family and community resources; cultural identity and interpretation; continuing danger; and what happened after disclosure or discovery. A validating caregiver, competent teacher, dependable relative, safe school, or effective treatment can change what follows.

This complexity does not mean that maltreatment is harmless or that its associations are merely coincidental. Baldwin and colleagues (2023) synthesized 34 quasi-experimental studies with 54,646 independent participants. After designs adjusted more rigorously for shared genetic and environmental confounding, a smaller but still meaningful association remained between maltreatment and mental-health problems. The evidence was consistent with a causal contribution from maltreatment while also showing that wider vulnerabilities account for part of the observed association.

The careful conclusion is neither “trauma explains everything” nor “other factors explain trauma away.” Maltreatment can contribute to mental-health risk, while inherited characteristics, toxic home environments, wider social conditions, family processes, and later experiences also influence development.

The Aftermath Can Intensify or Interrupt Traumatic Stress

The event is not always the end of the child’s exposure. A disclosure may be believed, dismissed, punished, or followed by frightening conflict. The child may face medical examinations, interviews, legal proceedings, separation from familiar people, a change of school, financial strain, or repeated reminders of what happened. These secondary experiences can either restore safety or prolong uncertainty.

Caregiver responses are especially important because children often understand danger through the reactions of the adults around them. Calm belief, protection, accurate information, predictable routines, and practical help can support recovery. A disbelieving, overwhelmed, or retaliatory response may add isolation to the original harm. Support is not a guarantee against traumatic stress, and no caregiver can simply reassure symptoms away, but children recover within relationships and environments rather than in isolation.

Xiong and colleagues (2022) reviewed 90 studies involving 77,439 children and adolescents. Greater overall social support was weakly associated with fewer posttraumatic stress symptoms, with family support showing a somewhat more consistent relationship than peer support. Most studies were cross-sectional, the measures varied, and evidence about teacher, professional, informational, and practical support remained limited. The findings therefore support attention to the aftermath without suggesting that social support alone determines recovery.

Adverse Childhood Experiences (ACEs): Research and Limits of the ACE Score

The original ACE study changed public discussion by connecting childhood environments with adult health. Felitti and colleagues (1998) surveyed 9,508 adult members of a large health maintenance organization and found graded associations between categories of childhood abuse or household dysfunction and later health risks, health behaviors, and disease. People reporting four or more exposure categories had substantially higher group-level risk for several outcomes than people reporting none.

Later research extended this pattern. Hughes and colleagues’ (2017) meta-analysis included 37 studies, 253,719 participants, and 23 outcomes. Four or more ACE categories were associated with every outcome studied, although effect sizes and heterogeneity varied. Associations were especially large for problematic drug use and interpersonal or self-directed violence. These findings made childhood conditions a public-health concern rather than an issue confined to individual families or psychotherapy offices.

An ACE score, however, is an integer count of exposure categories. It does not ordinarily capture severity, frequency, timing, duration, the child’s interpretation, whether danger continued, who caused the harm, the availability of protection, positive experiences, treatment, or later corrective relationships. Two people with the same score can have profoundly different developmental histories.

Anda, Porter, and Brown (2020) warn against turning this population-level research tool into an individual diagnostic or treatment instrument. An ACE score has no clinical cut point comparable to blood pressure. It should not be used by itself to explain a person’s symptoms, predict a personal future, or determine treatment.

The expanding ACE literature also raises questions about which adversities are counted and how measures travel across communities and cultures. Trejos and Kirby (2026) emphasize family, community, structural, sociocultural, and positive childhood experiences. Broader measurement can improve public-health understanding, but simply adding more checkboxes does not produce a complete portrait.

An ACE score counts categories of exposure. It does not measure the whole child, the whole environment, or the whole developmental journey.

How Childhood Trauma Can Affect Development

Early adversity does not operate through one pathway. Biological, emotional, cognitive, and relational systems develop together, repeatedly influencing one another.

Stress regulation and allostasis. Stress responses mobilize energy and attention when danger or challenge appears. With supportive adult co-regulation, activation can settle and the child can return toward baseline. Toxic stress describes strong, frequent, or prolonged activation without adequate protective buffering (Shonkoff & Garner, 2012). Across time, repeated adaptation may contribute to allostatic load: cumulative strain across interacting physiological systems. Allostatic load is not a hidden quantity that can be inferred from an ACE score; researchers typically assess patterns of biological markers and clinical conditions (Guidi et al., 2021).

Attention, learning, and danger detection. A child in an unsafe environment may allocate attention toward voice, movement, facial expression, rejection, or impending conflict. Rapid threat detection can be protective. The same vigilance may interfere with exploration, classroom concentration, flexible thinking, or accurate reading of ambiguity when the environment becomes safer.

Emotion regulation and self-protection. Young children initially regulate distress with caregivers. Predictable soothing helps them organize arousal and gradually develop their own regulatory capacities. When care is frightening, absent, or inconsistent, intense expression, suppression, numbing, dissociation, avoidance, or rapid defensive activation may become available ways to manage overwhelming states.

Relationships and expectations. Repeated interactions teach children whether adults are dependable, vulnerability is safe, and needs will be met, ignored, or punished. These experiences can influence attachment security and internal working models without mechanically determining an adult attachment style. Cushing and colleagues’ (2024) meta-analysis found small but significant associations between attachment orientation and posttraumatic stress symptoms in young people. Attachment insecurity is neither universal after trauma nor synonymous with an attachment disorder.

Neurobiological findings should be described with restraint. Teicher and Samson (2016) reviewed evidence that maltreatment is associated with differences in brain systems involved in threat, attention, emotion, and reward. They also emphasized type, timing, possible sensitive periods, and the possibility that some changes function as adaptations to adversity. A group-level difference on a brain image is not proof of permanent damage in an individual child. Developmental systems remain plastic, and similar findings can appear among both struggling and resilient people.

Survival Adaptations That Outlive the Danger

The child adapts to the world available. The adult may later discover that an old solution is still being applied when the setting, relationships, and available choices have changed.

These examples are not a universal checklist, and none proves that a person was traumatized. They illustrate how learning can generalize beyond the environment in which it developed. As Heller and LaPierre (2012) observed in their discussion of adaptive survival styles, patterns formed around unmet developmental needs can interfere with connection and regulation in the present. Their NARM framework is a clinical model rather than evidence that one treatment fits all survivors, but its attention to the original function of adaptation fits a compassionate formulation.

Emerging research asks whether adversity may also foster context-specific abilities rather than producing only deficits. Porter and Handley (2026) reviewed 45 studies of stress-adapted skills or “hidden talents.” Some studies associated adversity with abilities aligned with demanding environments, including heightened attention to emotional information, intuitive decision-making, or empathy. Cognitive adaptations received the most study, while social and physiological capacities were less developed areas of research; some studies reported no advantage at all.

This work should not be converted into the claim that trauma is beneficial or gives people special powers. A skill can be useful in one context and costly in another. Rapid reading of emotion may help a child anticipate volatile behavior while consuming attention that could otherwise support exploration or learning. Recognizing context-shaped capacities counters a purely deficit-based story without romanticizing the conditions that made those capacities necessary.

The goal is not to condemn the adaptation or blame the adult for having it. Responsibility for present choices is different from blame for abuse, coercion, deprivation, or danger. Change begins more realistically when the person can ask, “What did this response once protect, and what does it cost now?”

Long-Term Effects of Childhood Trauma: Risk Without Determinism

Childhood adversity is associated with later mental-health problems, substance misuse, health-risk behavior, chronic illness, violence exposure, educational disruption, employment difficulty, and relational strain. These are increases in probability across groups, not predetermined outcomes for individuals.

Several processes may connect early adversity to later health. Chronic stress activation can create physiological burden. Coping behaviors such as smoking, alcohol use, avoidance, or disrupted eating may provide immediate regulation while creating longer-term costs. Depression, poor sleep, reduced healthcare access, continuing adversity, and constrained economic opportunity can accumulate. Social conditions can both expose children to adversity and limit the resources available afterward.

The original ACE findings and later meta-analyses are observational. They demonstrate important graded associations, but causal pathways differ across outcomes and people. Baldwin and colleagues’ quasi-experimental findings strengthen causal inference for mental health while showing that conventional associations can overstate the portion attributable to maltreatment alone.

Accurate language protects both scientific meaning and human possibility. Trauma is associated with, increases the probability of, or may contribute to later difficulties. It is one pathway among several. It does not follow that trauma permanently rewires every brain, that abused children inevitably become abusive adults, or that an ACE score predicts a person’s future.

Resilience and Positive Childhood Experiences

Resilience is sometimes portrayed as exceptional toughness: a heroic child rises above adversity through willpower. Developmental science offers a less romantic and more useful picture. Masten and Barnes (2018) define resilience as the capacity of a system to adapt successfully to challenges that threaten its function, survival, or development. That capacity emerges through interacting biological, psychological, relational, institutional, cultural, and community systems.

A person can be doing well in one domain while struggling in another. Resilience can change over time, especially when demands or resources change. It is not a permanent label separating the strong from the damaged.

Protective experiences may include a stable and caring adult; predictable routines; emotional validation; safe schools and neighborhoods; positive friendships; cultural, religious, athletic, or community belonging; opportunities for competence and contribution; healthcare; effective treatment; and reduced exposure to continuing danger. These supports do not require a perfect childhood. Sometimes one dependable relationship opens a different developmental possibility.

Bethell and colleagues (2019) examined a statewide survey of 6,188 adults; 4,926 participants had complete data for the analysis of positive childhood experience. Adults reporting six or seven positive experiences had lower adjusted odds of depression or poor mental health and greater odds of reporting consistent social and emotional support than those reporting zero to two. Because the study was cross-sectional and retrospective, it cannot prove that positive experiences erased adversity or directly caused the adult outcomes.

Protective experiences do not make adversity unreal. They provide additional developmental material from which the child can build.

Preventing Childhood Trauma and Strengthening Protective Environments

Prevention is not limited to stopping one harmful act. It includes creating the relational, economic, institutional, and community conditions in which children can depend on safety. The CDC (2026) emphasizes safe, stable, nurturing relationships and environments as central to preventing ACEs and promoting positive childhood experiences.

At the family level, prevention can include practical economic support, accessible healthcare, caregiver mental-health and substance-use treatment, parent education, respite, and help during periods of instability. These supports do not excuse abuse or neglect. They reduce pressures that can overwhelm care while making it easier to respond before danger becomes entrenched.

Schools and communities also shape exposure and protection. Predictable school climates, trusted adults, violence prevention, safe housing, food security, inclusive cultural belonging, and accessible youth services can reduce adversity or interrupt its effects. Children need places where distress is noticed without immediately being treated as misconduct or identity.

Early identification should be careful and useful. Screening that produces an ACE number without access to safety, assessment, or support risks labeling children without changing their environment. Prevention and trauma-informed response therefore require more than asking what happened. They ask what danger continues, what protection is available, what resources the family needs, and which systems can act.

The aim is not to engineer childhood without disappointment, conflict, or ordinary stress. Manageable challenge within dependable relationships helps development. Prevention focuses on violence, deprivation, destabilization, and prolonged stress without adequate protection–conditions that exceed a child’s resources and undermine the relationships through which coping develops.

Recognizing and Assessing Traumatic Stress

How Trauma May Appear Across Development

Traumatic stress changes form as developmental capacities and social demands change (NCTSN).

No expression in this table is unique to trauma. Similar patterns can emerge from grief, medical illness, sleep disruption, neurodevelopmental differences, depression, anxiety, family conflict, or other stressors. Developmentally informed assessment looks for patterns, context, impairment, reminders, and alternative explanations rather than working backward from one symptom to an assumed childhood cause.

What a Trauma-Informed Assessment Considers

Trauma-informed assessment begins with present safety, functioning, symptoms, relationships, and strengths – not merely an ACE checklist. A qualified clinician may consider the nature and timing of experiences; ongoing exposure; trauma reminders; intrusive memories; avoidance; arousal; changes in mood and beliefs; dissociation; sleep and somatic symptoms; development and school functioning; caregiver relationships; depression, anxiety, substance use, or self-harm; and existing sources of support (NICE, 2018).

Trauma-informed care also changes the stance of helping. Forkey and colleagues (2021) describe pediatric care that recognizes the effects of traumatic stress, attends to relational health, avoids blame, and asks not only “What happened?” but “What is strong?” A child’s behavior may communicate protection, distress, or adaptation. Understanding that context does not mean accepting harmful behavior without limits. It means responding with safety, curiosity, predictability, and developmentally appropriate expectations.

Professional help is especially important when reactions persist, interfere with daily life, involve self-harm or suicidal thinking, include severe dissociation or substance use, or occur while danger continues. An ACE questionnaire alone cannot determine diagnosis or treatment.

Childhood Trauma Treatment and Recovery

“Childhood trauma” is not one diagnosis with one universal treatment. Care depends on whether danger is ongoing, the person’s age and developmental abilities, symptoms and impairment, caregiver safety and availability, co-occurring conditions, preferences, culture, and access to services. Recovery may include clinical treatment, practical safety, medical care, family intervention, school support, community resources, and relationships that make regulation and trust possible.

Treatment for Children and Adolescents

For pediatric PTSD, trauma-focused cognitive behavioral therapies have the strongest overall evidence. Hoppen and colleagues (2025) synthesized 70 randomized trials involving 5,528 young people with full or subthreshold PTSD. Trauma-focused CBT approaches produced the largest short-term reductions relative to passive and active controls, with encouraging mid- and long-term findings. EMDR, multidisciplinary treatment, and non-trauma-focused interventions also outperformed passive controls at treatment end, but the evidence base and long-term data were less extensive for these approaches.

Treatment should be delivered by a qualified clinician and matched to the child. Caregiver involvement can be valuable when the caregiver is safe and supportive. Treatment should not force disclosure before safety and therapeutic preparation are established, nor assume that every exposed child requires trauma processing. NICE guideline NG116 (National Institute for Health and Care Excellence, 2018) recommends developmentally adapted trauma-focused CBT for children and young people with PTSD, with clinical decisions shaped by timing, symptoms, and individual needs.

Treatment for Adults With Childhood Trauma Histories

Adults may seek help for PTSD, depression, anxiety, shame, substance use, dissociation, relationship patterns, or problems that do not fit one diagnostic label. Evidence-based treatment should target the person’s current condition and goals. For adults with PTSD, individual, manualized trauma-focused psychotherapies—particularly cognitive processing therapy, prolonged exposure, and EMDR—have the strongest guideline support (Schnurr et al., 2024). Other therapies may be appropriate for co-occurring difficulties, emotion regulation, relationships, or stabilization, but they should not be presented as equivalent treatments for every trauma-related problem.

Insight alone is not always enough. A person may understand why a response developed and still feel the old alarm. Recovery often involves repeated experiences of safety, agency, an expanded window of tolerance, accurate discrimination between past and present, and relationships in which needs and boundaries can be negotiated. Healthy sleep, movement, social connection, and medical care can support recovery, but they are complements rather than substitutes for indicated treatment.

The Limits of the Broader ACE Intervention Evidence

Lorenc and colleagues (2020) reviewed 25 systematic reviews of interventions for people exposed to ACEs. The strongest evidence concerned cognitive behavioral therapy for people exposed to abuse. Findings for other psychological, parenting, and broader support interventions were mixed or inconclusive, and many social, relational, behavioral, and life-course consequences had received limited attention.

This distinction is important. Strong evidence for treating pediatric PTSD does not mean researchers have identified one intervention that reverses every consequence associated with ACE exposure. Trauma-informed systems should address present symptoms while also recognizing safety, caregiving, housing, education, healthcare, discrimination, and community conditions.

Recovery is not the deletion of history. It is an expanding ability to live in the present without every new moment being governed by the old emergency.

A Few Words From Psychology Fanatic

Childhood trauma reveals the remarkable intelligence and vulnerability of development. Children organize themselves around the worlds they inhabit. They watch, learn, protect, attach, withdraw, protest, endure, and reach for whatever safety is available.

The central tragedy is not that a child adapts. Adaptation is often what permits survival. The difficulty comes when an old protection becomes the only available response, long after circumstances have changed.

Healing asks for more than commanding the frightened parts of ourselves to disappear. It involves recognizing what a response once accomplished, building enough safety to experiment with something new, and accepting support without confusing responsibility with blame. Early adversity can influence a life, sometimes profoundly. It does not contain the full meaning of that life or dictate what development can become.

Associated Concepts

• Adaptive Survival Styles: Protective patterns developed under early relational or developmental stress that may later interfere with connection, regulation, or flexibility.
• Attachment Styles: Patterns of expectation and behavior in close relationships. Trauma can influence attachment, but insecure attachment is not an inevitable result of trauma or an attachment disorder.
• Complex Trauma: Repeated, often interpersonal trauma that can affect several areas of development, especially when it occurs within caregiving relationships.
• Emotional Regulation: Processes used to notice, tolerate, influence, and express emotional states. Regulation develops through both individual capacities and co-regulating relationships.
• Internal Working Models: Mental representations of self and others shaped through repeated attachment interactions and used to anticipate relationships.
• Neurobiology of Trauma: The study of how traumatic stress relates to nervous-system, endocrine, immune, learning, memory, and behavioral processes.
• Posttraumatic Stress Disorder: A defined clinical disorder that can follow trauma exposure. PTSD is one possible outcome and is not synonymous with childhood trauma.
• Toxic Stress: Prolonged or excessive stress-response activation in childhood without adequate buffering from supportive relationships.

References

Anda, Robert F.; Porter, Laura E.; Brown, David W. (2020). Inside the adverse childhood experience score: Strengths, limitations, and misapplications. American Journal of Preventive Medicine, 59(2), 293–295. DOI: 10.1016/j.amepre.2020.01.009
(Return to Main Text)

Baldwin, Jessie R.; Wang, Biyao; Karwatowska, Lucy; Schoeler, Tabea; Tsaligopoulou, Anna; Munafò, Marcus R.; Pingault, Jean-Baptiste (2023). Childhood maltreatment and mental health problems: A systematic review and meta-analysis of quasi-experimental studies. American Journal of Psychiatry, 180(2), 117–126. DOI: 10.1176/appi.ajp.20220174
(Return to Main Text)

Bethell, Christina; Jones, Jennifer; Gombojav, Narangerel; Linkenbach, Jeff; Sege, Robert (2019). Positive childhood experiences and adult mental and relational health in a statewide sample: Associations across adverse childhood experiences levels. JAMA Pediatrics, 173(11), e193007. DOI: 10.1001/jamapediatrics.2019.3007
(Return to Main Text)

Centers for Disease Control and Prevention (2026). About adverse childhood experiences
(Return to Main Text)

Childhelp National Child Abuse Hotline (n.d.). Childhelp National Child Abuse Hotline
(Return to Main Text)

Cushing, Toby; Robertson, Sarah; Mannes, Julia; Marshall, Nicole; Carey, Mark James; Duschinsky, Robbie; Meiser-Stedman, Richard (2024). The relationship between attachment and posttraumatic stress in children and adolescents: A meta-analytic review. Development and Psychopathology, 36(3), 1055–1069. DOI: 10.1017/S0954579423000299
(Return to Main Text)

Felitti, Vincent J.; Anda, Robert F.; Nordenberg, Dale; Williamson, David F.; Spitz, Alison M.; Edwards, Valerie; Koss, Mary P.; Marks, James S. (1998). Relationship of childhood abuse and household dysfunction to many of the leading causes of death in adults: The Adverse Childhood Experiences (ACE) Study. American Journal of Preventive Medicine, 14(4), 245–258. DOI: 10.1016/S0749-3797(98)00017-8
(Return to Main Text)

Forkey, Heather; Szilagyi, Moira; Kelly, Erin T.; Duffee, James; Council on Foster Care, Adoption, and Kinship Care; Council on Community Pediatrics; Council on Child Abuse and Neglect; Committee on Psychosocial Aspects of Child and Family Health (2021). Trauma-informed care. Pediatrics, 148(2), e2021052580. DOI: 10.1542/peds.2021-052580
(Return to Main Text)

Guidi, Jenny; Lucente, Marcella; Sonino, Nicoletta; Fava, Giovanni A. (2021). Allostatic load and its impact on health: A systematic review. Psychotherapy and Psychosomatics, 90(1), 11–27. DOI: 10.1159/000510696
(Return to Main Text)

Heller, Laurence; LaPierre, Aline (2012). Healing developmental trauma: How early trauma affects self-regulation, self-image, and the capacity for relationship. North Atlantic Books. ISBN: 9781583944899
(Return to Main Text)

Hoppen, Thole H.; Wessarges, Lena; Jehn, Marvin; Mutz, Julian; Kip, Ahlke; Schlechter, Pascal; Meiser-Stedman, Richard; Morina, Nexhmedin (2025). Psychological interventions for pediatric posttraumatic stress disorder: A systematic review and network meta-analysis. JAMA Psychiatry, 82(2), 130–141. DOI: 10.1001/jamapsychiatry.2024.3908
(Return to Main Text)

Hughes, Karen; Bellis, Mark A.; Hardcastle, Katherine A.; Sethi, Dinesh; Butchart, Alexander; Mikton, Christopher; Jones, Lisa; Dunne, Michael P. (2017). The effect of multiple adverse childhood experiences on health: A systematic review and meta-analysis. The Lancet Public Health, 2(8), e356–e366. DOI: 10.1016/S2468-2667(17)30118-4
(Return to Main Text)

Lorenc, Theo; Lester, Sarah; Sutcliffe, Katy; Stansfield, Claire; Thomas, James (2020). Interventions to support people exposed to adverse childhood experiences: Systematic review of systematic reviews. BMC Public Health, 20, 657. DOI: 10.1186/s12889-020-08789-0
(Return to Main Text)

Masten, Ann S.; Barnes, Andrew J. (2018). Resilience in children: Developmental perspectives. Children, 5(7), 98. DOI: 10.3390/children5070098
(Return to Main Text)

McLaughlin, Katie A.; Sheridan, Margaret A.; Lambert, Hilary K. (2014). Childhood adversity and neural development: Deprivation and threat as distinct dimensions of early experience. Neuroscience & Biobehavioral Reviews, 47, 578–591. DOI: 10.1016/j.neubiorev.2014.10.012
(Return to Main Text)

National Child Traumatic Stress Network (n.d.). About child trauma
(Return to Main Text)

National Institute for Health and Care Excellence (2018). Post-traumatic stress disorder (NICE Guideline NG116).
(Return to Main Text)

Porter, LaShauna; Handley, Elizabeth (2026). A systematic review of stress-adapted skills and hidden talents in individuals who faced early adversity. Development and Psychopathology, 38(2), 866–881. DOI: 10.1017/S0954579425100795
(Return to Main Text)

Schnurr, Paula P.; Hamblen, Jessica L.; Wolf, Jonathan; Coller, Rachael; Collie, Claire; Fuller, Matthew A.; Holtzheimer, Paul E.; Kelly, Ursula; Lang, Ariel J.; McGraw, Kate; Morganstein, Joshua C.; Norman, Sonya B.; Papke, Katie; Petrakis, Ismene; Riggs, David; Sall, James A.; Shiner, Brian; Wiechers, Ilse; Kelber, Marija S. (2024). The management of posttraumatic stress disorder and acute stress disorder: Synopsis of the 2023 U.S. Department of Veterans Affairs and U.S. Department of Defense clinical practice guideline. Annals of Internal Medicine, 177(3), 363–374. DOI: 10.7326/M23-2757
(Return to Main Text)

Shonkoff, Jack P.; Garner, Andrew S.; Committee on Psychosocial Aspects of Child and Family Health; Committee on Early Childhood, Adoption, and Dependent Care; Section on Developmental and Behavioral Pediatrics (2012). The lifelong effects of early childhood adversity and toxic stress. Pediatrics, 129(1), e232–e246. DOI: 10.1542/peds.2011-2663
(Return to Main Text)

Teicher, Martin H.; Samson, Jacqueline A. (2016). Annual research review: Enduring neurobiological effects of childhood abuse and neglect. Journal of Child Psychology and Psychiatry, 57(3), 241–266. DOI: 10.1111/jcpp.12507
(Return to Main Text)

Trejos, Rolando F.; Kirby, Russell S. (2026). Adverse childhood experiences (ACEs): What have we learned and what’s next? Annual Review of Public Health, 47, 115–133. DOI: 10.1146/annurev-publhealth-071723-011207
(Return to Main Text)

Xiong, Ting; Milios, Athena; McGrath, Patrick J.; Kaltenbach, Elisa (2022). The influence of social support on posttraumatic stress symptoms among children and adolescents: A scoping review and meta-analysis. European Journal of Psychotraumatology, 13(1), 2011601. DOI: 10.1080/20008198.2021.2011601
(Return to Main Text)