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The taproot to comprehensive understanding of complex trauma, its effects on individuals, communities and systems, and pathways to healing and recovery.

What is Complex Trauma?

Complex Trauma refers to the interconnectedness between exposure to certain forms of traumatic experiences and the multifaceted and evolving consequences of these experiences. Extensive research in the fields of neuroscience, public health, pediatrics, child development, psychiatry, psychology, criminology and traumatology has conclusively demonstrated that exposure to childhood trauma can have wide-ranging effects on mind, body, behavior, achievement and social functioning.

Unresolved childhood trauma can result in lifelong difficulties, including health problems and high-risk coping behaviors that dramatically increase the likelihood of school failure, unemployment, substance use, homelessness, revictimization, incarceration and early death.

Early-onset exposure to abuse, neglect, impaired caregiving, placement disruption, family violence, or community violence that is chronic, recurrent or severe has been shown to alter the anatomical structure and processes of the developing brain, setting off a chain of survival-based adaptations that are increasingly likely to evolve over time into increasingly troubling forms of maladaptation, including psychopathology, substance abuse, cognitive and behavioral disturbances, relationship difficulties, inability to care for self or others, aggression, and suicidality or self-harm. Such consequences set the stage for legacies of complex trauma to be repeated, passed down through families in intergenerational cycles.

Complex trauma intersects with forms of systemic trauma such a racism, sexism, homophobia, transphobia, xenophobia, and religious intolerance that increase a person, family or community’s likelihood to experience and be disproportionately affected by trauma and life adversity, reduce access to preventive and intervention services, and perpetuate poverty, inequality and injustice. Many of these forms of social oppression are the direct legacy of ancestral and historical trauma that devastated entire nations, communities and peoples.

Research Reframes Complex Trauma Treatment and Intervention

Given the inherent complexities of complex trauma, treatment and intervention for impacted individuals, families and communities needs to be reframed. Traditional trauma therapies have primarily focused on reducing the symptoms of one psychiatric disorder, PTSD. Extensive clinical research on trauma-exposed children and adults has definitively shown the following:

    1. PTSD is not the most prevalent diagnosis for children or adults exposed to trauma. Children or adults who do meet criteria for PTSD are highly likely to meet criteria for 3 or more additional psychiatric disorders.
    2. Developmental Trauma Disorder (DTD) and Complex PTSD (CPTSD) are diagnostic constructs that encapsulate many facets of complex trauma adaptation not covered by other psychiatric diagnoses.
    3. The effects of complex trauma exposure go well beyond psychiatric symptoms and disorders: they alter the way a person views themselves, others and the world; the impact a person’s capacity for self-regulation of emotions, thinking, behavior and impulses; they take root in the body and express themselves through numerous somatic problems and impairments.
    4. Effective intervention for complex trauma needs to be client-tailored, strengths-based, and capacity building.
    5. The source of complex trauma survivors’ resiliency is often entangled with their behavioral problems, problematic relationship choices, aggression, self-harm, or high-risk coping strategies. Therefore, intervention needs to
      • honor a person’s efforts to survive
      • seek to understand the function of societally maladaptive behaviors
      • recognize valid underlying needs, and
      • partner with clients to develop alternate ways to meet these needs
    6. Complex trauma can impact entire families, systems and communities. Effective intervention often needs to be undertaken across all these levels, concurrently or sequentially.

Complex Trauma Training and Treatment Network

Established in 2018, the Complex Trauma Training and Treatment Network is an independent international affiliation of complex trauma scholars, therapists, clinical supervisors, researchers, assessment instruction and treatment model developers, evaluators, organizational consultants, academic educators, public speakers and professional trainers.

State of the Art Training

The Complex Trauma Training Institute (CTTI) was established to support multidisciplinary professionals and service systems of all kinds to better understand complex trauma and advance effective intervention, treatment and response for impacted individuals, families and communities.

The Founding Faculty of the CTTI are all widely published thought leaders in the traumatic stress field in addition to being clinical researchers, model developers, center directors and trauma-informed systems enhancement and change agents at the organizational, statewide, regional and national levels.

Associate Faculty were carefully chosen for their expertise in particular client-populations, intervention models, service settings and topics of central relevance to complex trauma.

All our trainers, clinical supervisors and organizational consults draw upon their diverse backgrounds, experiences and specializations to guide multidisciplinary providers, organizations, and communities.

Innovative Treatment

The treatment centers and affiliates featured on this website were carefully selected for their specialization in outpatient treatment of Complex PTSD, DTD, clinical dissociation and related conditions affecting children and adults exposed to complex trauma. The staff of the Complex Trauma Treatment Center Boston and Complex Trauma Treatment Center Long Island  (New York) are senior leaders in the traumatic stress field in addition to being active clinical supervisors and practicing psychotherapists.

The Complex Trauma Treatment Affiliates are an independent network of senior complex trauma therapists, clinical supervisors and educators that utilize innovative and evidence-based treatment approaches with their clients and operate trauma-specialty clinics, graduate training programs and group and private practices across the United States and Canada.

To ensure quality and continual improvement of complex trauma-informed care and services, Complex Trauma Treatment Affiliates actively participate in monthly evidence-based peer-review of cases and resource sharing facilitated by the Complex Trauma Treatment Center Boston.

Additional Resources

Visit ComplexTrauma.org for comprehensive information about complex trauma. Complextrauma.org is an informational website, developed and maintained by the Foundation Trust, a nonprofit organization that includes educational resource development on complex trauma as one of its priority areas of focus.

Complextrauma.org is a curated resource repository designed especially for individuals affected by complex trauma, their families and loved ones, along with a wealth of information for multidisciplinary providers. It includes a number of featured stories and news articles written to make scientific research  on traumatic stress more accessible to lay audiences, as well as:

  • a detailed glossary of terms
  • an extensive array of downloadable and direct-link resources developed by Complex Trauma Training Institute faculty and others, including
    • books
    • videos
    • journal articles
    • diagnostic tools
    • fact sheets
    • worksheets
    • resource guides and more

Psypact

Teletherapy Multi-state

PSYPACT is an interstate compact designed to allow licensed psychologists to practice of telepsychology across state boundaries legally and ethically. As of 2024, PSYPACT is effective in 37 states, one U.S. territory, and Washington, DC: AL, AZ, AR, CO, CNMI, CT, DE, DC, FL, GA, ID, IL IN, KS, KY, ME, MD, MI, MN, MO, NC, ND, NE, NH, NJ, NV, OH, OK, PA, RI, SC, TN, TX, UT, VA, WA, WV, WI & WY.