Related Experiment Video
Updated: Feb 6, 2026

Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
Published on: April 28, 2016
Otitis media and respiratory sinus arrhythmia across infancy and early childhood: Polyvagal processes?
Daniel Berry1, Lynne Vernon-Feagans2, W Roger Mills-Koonce3
1Institute of Child Development, University of Minnesota.
Insights
Children with chronic otitis media (OM) show atypical heart rate responses, indicating altered parasympathetic nervous system development. This study links middle-ear inflammation to challenges in regulating the nervous system during early childhood.
Area of Science:
- Developmental Psychology
- Pediatric Health
- Neuroscience
Background:
- Otitis media (OM), a common childhood illness, is linked to developmental issues like language delays.
- Polyvagal theory suggests a connection between middle-ear function and the developing parasympathetic nervous system (PNS).
Purpose of the Study:
- To investigate the relationship between otitis media indicators and the development of parasympathetic nervous system activity (respiratory sinus arrhythmia - RSA) in young children.
- To examine how chronic OM affects RSA reactivity to cognitive challenges between 7 and 35 months of age.
Main Methods:
- Utilized longitudinal data from the Family Life Project (n=748).
- Measured otitis media risk using middle-ear spectral gradient angle (SGA).
- Assessed parasympathetic activity via respiratory sinus arrhythmia (RSA) trajectories in response to cognitive challenges.
Main Results:
- Children with chronic OM indicators (low cumulative SGA) exhibited atypical RSA reactivity to cognitive challenges.
- Low-OM-risk children showed typical RSA decreases during challenges in infancy, which shifted by 35 months.
- Children with chronic OM displayed blunted RSA responses to challenges across all measured ages.
Conclusions:
- Chronic otitis media is associated with altered parasympathetic nervous system regulation in early childhood.
- Findings suggest a link between middle-ear inflammation and atypical development of cardiac-vagal control.
- Further research is needed to understand the long-term implications of these findings.
Abstract:
Otitis media (OM)-or middle-ear inflammation-is the most widely diagnosed childhood illness, with evidence implicating OM in a range of distal problems (e.g., language delays, attention problems). Polyvagal theory (Porges, 1995, 2007) posits that there also are likely important connections between middle-ear functioning and children's developing parasympathetic nervous systems (PNS). Using prospective longitudinal data from the Family Life Project (n = 748), we tested within- and between-person relations between indicators of OM (middle-ear spectral gradient angle; SGA) and children's trajectories of respiratory sinus arrhythmia (RSA)-a marker of parasympathetic control of the heart-between the ages of 7 and 35 months. The results suggested that, irrespective of age, children with indications of chronic OM (low cumulative SGA) tended to show atypical RSA reactivity to moderate cognitive challenge, compared with the reactivity patterns of their low-OM-risk peers (mid-to-high cumulative SGA). Specifically, on average, low-OM-risk children showed RSA decreases in the context of challenge in infancy, with the magnitude of the decline weakening and eventually changing direction (i.e., RSA increase) by 35 months. In contrast, those with indicators of chronic OM evinced blunted RSA responses to challenge, irrespective of age. Within-person, temporal bouts of OM-risk were not predictive of within-person changes in RSA reactivity across early childhood. (PsycINFO Database Record
Related Concept Videos
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
Socioemotional Development during Infancy
Primary Temperament Types
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
Mechanism of Cardiac Arrhythmias
Anatomy of Respiratory System II: Lower Respiratory Tract
The Larynx
It is located between the pharynx and the trachea, acts as a passageway for air, and hosts several critical structures, such as the epiglottis, vocal cords, and glottis. The epiglottis acts as a gateway, guiding food to the...
The Respiratory System

