Related Experiment Video
Updated: Aug 11, 2026

Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood
Published on: February 11, 2017
An examination of worry in relation to anxious responding to voluntary hyperventilation among adolescents
Ellen W Leen-Feldner1, Matthew T Feldner, Matthew T Tull
1Department of Psychology, University of Vermont, John Dewey Hall, 2 Colchester Avenue, Burlington, VT 05405, USA. eleenfe@uark.edu
Abstract:
This study examined the association between worry and fearful responding to a 3-min voluntary hyperventilation procedure. Participants were 160 adolescents (71 females) between the ages of 12 and 17 years (M=14.92 years). After accounting for the significant effects of state anxiety and anxiety sensitivity, results indicated that pre-challenge levels of worry indexed by the Penn State Worry Questionnaire-Child Version predicted post-challenge anxiety and intensity of panic symptoms. Results are discussed in terms of the role of worry in relation to panic-relevant emotional vulnerability among youth.
Related Concept Videos
Hyperpnea and Hyperventilation
Alterations in Respiration II
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...
Other Factors Affecting Respiration Centers
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical level,...
Assessment of Respiration
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
Assessment of Ventilation II: Respiratory Depth and Rhythm
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Assessment of Airway, Skin Color, and Use of Accessory Muscles
Introduction
The initial evaluation of a patient's respiratory system...
