Related Experiment Video

Updated: Oct 9, 2025

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
08:31

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome

Published on: July 31, 2016

13.8K

Sympathetic nervous system functioning during the face-to-face still-face paradigm in the first year of life

Louis Klein1,2,3, Frances L Doyle1,4, Jaimie C Northam1

  • 1School of Psychology, Faculty of Science, University of Sydney, Sydney, NSW, Australia.

Development and Psychopathology
|December 20, 2021
PubMed

Insights

Infants show increased physiological stress during social challenges, with lasting effects even after reunion. This highlights the importance of caregiver interactions for infant emotion regulation and development.

Area of Science:

  • Developmental Psychology
  • Infant Behavior
  • Physiological Responsiveness

Background:

  • Contemporary theories emphasize physiological responsiveness in early development and psychopathology.
  • Understanding infant autonomic reactivity and environmental contexts is crucial for assessing psychopathology risk.

Purpose of the Study:

  • To map infant arousal using skin conductance during the face-to-face still-face paradigm.
  • To analyze autonomic reactivity in response to social stressors in mother-infant dyads.

Main Methods:

  • Utilized the face-to-face still-face paradigm with 255 ethnically diverse mother-infant dyads.
  • Measured infant arousal via skin conductance.
  • Employed a novel statistical approach to model nonlinear counter electromotive force.

Main Results:

  • Infant skin conductance significantly increased from Baseline Free-play to the Still-Face phase.
  • Skin conductance decreased during Reunion Play compared to the Still-Face phase.
  • Skin conductance during Reunion Play remained higher than Baseline Play, indicating incomplete stress recovery.

Conclusions:

  • Infant arousal patterns reveal responses to social stressors within dyadic interactions.
  • Caregiver interactions play a significant role in the development of infant emotion regulation.
  • Findings contribute to understanding infant physiological responses and stress recovery.

Keywords:
arousalelectrodermal activityface-to-face still-faceinfantspsychophysiologyresponsivenessskin conductancesympathetic nervous system

More Related Videos

A Within-subjects Experimental Protocol to Assess the Effects of Social Input on Infant EEG08:20

A Within-subjects Experimental Protocol to Assess the Effects of Social Input on Infant EEG

Published on: May 3, 2017

7.9K
Measuring Cardiac Autonomic Nervous System ANS Activity in Toddlers - Resting and Developmental Challenges08:22

Measuring Cardiac Autonomic Nervous System ANS Activity in Toddlers - Resting and Developmental Challenges

Published on: February 25, 2016

15.6K

Related Concept Videos

Facial Feedback Hypothesis01:24

Facial Feedback Hypothesis

Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
296
Muscles for Facial Expressions01:14

Muscles for Facial Expressions

The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...
3.0K
Socioemotional Development during Infancy01:30

Socioemotional Development during Infancy

Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
182
Association Areas of the Cortex01:21

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
6.8K
Piaget's Stage 1 of Cognitive Development01:14

Piaget's Stage 1 of Cognitive Development

The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
Exploration...
944
Cranial Part of Parasympathetic Division01:18

Cranial Part of Parasympathetic Division

The cranial part of the parasympathetic division plays a crucial role in regulating the visceral functions of the head and specific structures in the neck, thoracic, and abdominopelvic cavities. Preganglionic fibers of the parasympathetic division exit the brain through cranial nerves III (oculomotor), VII (facial), IX (glossopharyngeal), and X (vagus), delivering parasympathetic output to the respective visceral structures.
The vagus nerve (cranial nerve X) alone accounts for approximately 75...
1.4K