Background Sleep, or a lack thereof, is strongly related to mood dysregulation. Although
considerable research uses symptom scales to examine this relation, few studies use …

Background Irritability, marked by diminished frustration tolerance, holds significant
implications for youth mental health treatment. Despite prior research on irritability …

Clinical presentations of selective mutism (SM) vary widely across affected youth. Although
studies have explored general externalizing problems in youth with SM, research has not …

Irritability, or an increased proneness to frustration and anger, is common in youth; however,
few studies have examined neurostructural correlates of irritability in children. The purpose …

Background Pediatric irritability is a pervasive psychiatric symptom, yet its etiology remains
elusive. While trauma exposure may contribute to the development of irritability, empirical …

Correct classification of irritability is extremely important to assess prognosis and treatment
indications of juvenile mood disorders. We assessed factors associated with low versus high …

Objectives Identification of clinically significant irritability in preschool age is important to
implement effective interventions. However, varying informant and measurement methods …

Objective This report evaluated how self-versus parent/guardian-report of irritability, a
common transdiagnostic feature of mental illness in children and adolescents, relate to each …

Objective Irritability, the tendency to react with anger, and the experience of negative life
events (NLE) have independently been associated with the emergence of anxiety and …

The Affective Reactivity Index (ARI) is one of the most studied scales for assessing youth
irritability, but little is known about its measurement performance in community populations …