concept
Toxic Stress
Prolonged activation of the stress response in the absence of buffering relationships; the ACE study links it to lifelong physical and mental illness.
Read the primary articleArticles that reference Toxic Stress
3 articles in the library.
Body of Knowledge of Psychotraumatology
Science of Toxic Stress and the ACE Study
A cornerstone contribution to the Psychotrauma field came from public health research into Adverse Childhood Experiences (ACEs) and their lifelong effects. The landmark ACE Study, conducted by Felitti et al. (1998), surveyed over 17,000 adults and found a striking dose-response relationship between childhood adversities and subsequent health outcomes. In brief, the more types of adverse
Trauma
Intergenerational (Transgenerational) Trauma
Mechanisms of Trauma Transmission Across Generations Intergenerational trauma, also termed transgenerational trauma, describes how the psychological impacts of traumatic events are transmitted from one generation to another. Rather than experiencing the trauma firsthand, subsequent generations inherit the trauma's psychological, emotional, and physiological consequences through indirect but consequential mechanisms (Yehuda & Lehrner, 2018). Key mechanisms of
Trauma
Intrauterine & Pre‑Verbal Trauma
Defining the Concept Intrauterine trauma refers to stressors experienced prenatally—such as maternal stress, emotional distress, substance exposure, or prenatal medical complications—that can affect fetal development. Pre‑verbal trauma occurs before the acquisition of language, including birth trauma, early neglect, or abuse, which profoundly impacts implicit memory systems. Both operate outside conscious awareness and are carried in