Acronym	Meaning	Definition	First Appearance in Paper
ACC	Anterior Cingulate Cortex	Large prefrontal cortex brain region composed of BA 24, 32, and 33	Section 2.2.2
ACE	Adverse Childhood Experience(s)	Index of early life stressors including parental divorce, parental mental illness or imprisonment, poverty and deprivation, death or illness in the family, bullying, peer rejection, exposure to violence, and abuse	Section 1
CAPS	Clinician Administered PTSD Scale for DSM-V	Structured interview to assess presence and severity of PTSD symptoms	Section 1
CTQ	Childhood Trauma Questionnaire	Self-report assessment of childhood maltreatment experiences with subscales for physical abuse, sexual abuse, emotional abuse, emotional neglect, and physical neglect	Section 1
dACC	Dorsal Anterior Cingulate Cortex	Dorsal and posterior division of the prefrontal cortex (BA 32)	Section 2.1.1
dlPFC	Dorsal Lateral Prefrontal Cortex	Lateral portion of the prefrontal cortex corresponding to BA 46	Section 2.1.3
dmPFC	Dorsal Medial Prefrontal Cortex	Large portion of the medial prefrontal cortex corresponding to BA 8 and 9	Section 3.2
EEG	Electroencephalogram	Portable device for measuring brain electrical activity with electrodes on the scalp	Section 4.4
ELS	Early Life Stress	Adverse events, including accidents, illnesses, deaths, neglect, and abuse, experienced before age 18	Section 2.1.3
FC	Functional Connectivity	Measure of temporal coherence between brain regions in a circuit	Section 1.3
fMRI	Functional Magnetic Resonance Imaging	Non-invasive technique that measures brain activity by detecting changes in blood flow	Section 1.2
IPV	Interpersonal Violence	Exposure to physical assault, physical abuse by a caregiver, sexual assault, domestic violence, or other assaultive violence	Section 1.1
mPFC	Medial Prefrontal Cortex	Anterior ventral division of the prefrontal cortex	Section 2.1.2
PCC	Posterior Cingulate Cortex	Posterior portion of the cingulate gyrus corresponding to BA 23 and 31	Section 2.2.1
PFC	Prefrontal Cortex	Portion of the cerebral cortex encompassing the frontal lobe	Section 2.1.2
pgACC	Perigenual Anterior Cingulate Cortex	Section of the anterior cingulate cortex located near the genu of the corpus callosum	Section 2.2.1
PTSD	Posttraumatic Stress Disorder	Mental health condition that develops following the experience of a trauma event(s). Characterized by changes in mood and cognitions, hyperarousal, avoidance of trauma reminders, and intrusive re-experiencing of the event	Section 1.1
PTSS	Posttraumatic Stress Symptoms	Symptoms that develop following the experience of a traumatic event, including changes in mood and cognitions, hyperarousal, avoidance of trauma reminders, and intrusive re-experiencing of the event	Section 2.1.3
ROI	Region of Interest	Brain region or regions chosen a priori for investigation based on theory or hypotheses	Section 1.3
rs-fMRI	Resting-State Functional Magnetic Resonance Imaging	Measurement of brain activity in MRI in the absence of a task or stimulus	Section 3
rsFC	Resting-State Functional Connectivity	Measurement of temporal coherence between brain regions in the absence of a task or stimulus	Section 3.1
sgACC	Subgenual Anterior Cingulate Cortex	Anterior portion of the anterior cingulate cortex, located below the genu of the corpus callosum	Section 2.2.3
vmPFC	Ventral Medial Prefrontal Cortex	Broad brain region in the lower central region of the prefrontal cortex, including the orbitofrontal cortex (BA 11)	Section 2.2.2