Related Experiment Video
Updated: Jun 9, 2026
11:40
Quantitative Autonomic Testing
Published on: July 19, 2011
58.2K
A latent change score approach to understanding dynamic autonomic coordination
Kristen L Rudd1, Tuppett M Yates1
1Department of Psychology, University of California, Riverside, CA, USA.
Psychophysiology
|July 28, 2020
Summary
Children
Area of Science:
- Developmental Psychology
- Neuroscience
- Physiology
Background:
- Childhood self-regulation is crucial for development.
- The autonomic nervous system (ANS) offers insights into regulation.
- Limited research explores the coordination between sympathetic and parasympathetic nervous system activity.
Purpose of the Study:
- To investigate dynamic autonomic coordination in children.
- To examine bidirectional influences between sympathetic and parasympathetic activity during a challenge task.
- To apply advanced statistical modeling to understand physiological self-regulation.
Main Methods:
- Bivariate latent change score modeling was used.
- Cardiography measured pre-ejection period (PEP) and respiratory sinus arrhythmia (RSA).
- 198 six-year-old children completed a challenging puzzle task.
Main Results:
- Children showed reciprocal sympathetic activation (PEP attenuation and RSA withdrawal).
- Pre-ejection period (PEP) demonstrated a leading influence on respiratory sinus arrhythmia (RSA) changes.
- Dynamic autonomic coordination was observed across the task.
Conclusions:
- This study reveals reciprocal influences between sympathetic and parasympathetic activity in children.
- Novel analytic techniques can model dynamic autonomic processes.
- Findings advance understanding of the development and significance of physiological self-regulation.
Related Concept Videos
01:26Autonomic Nervous System: Overview
The human nervous system is divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and spinal cord, while the PNS contains nerve cells, clusters of nerve cells, and the sensory receptors that are outside the CNS. The PNS has two types of nerve cells: sensory (afferent) and motor (efferent). Sensory cells send signals to the CNS from receptors, and motor cells carry signals from the CNS to organs, muscles, and...
01:22Autonomic Nervous System
The autonomic nervous system (ANS) is a critical component of the peripheral nervous system, primarily responsible for regulating involuntary bodily functions and maintaining homeostasis. It functions in tandem with the central nervous system (CNS) to seamlessly coordinate various physiological processes without the need for conscious control.
The ANS comprises two main divisions: the sympathetic and parasympathetic divisions. These divisions function antagonistically to maintain a dynamic...
The ANS comprises two main divisions: the sympathetic and parasympathetic divisions. These divisions function antagonistically to maintain a dynamic...
01:17Autoregulation of Blood Flow
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.