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Early development of attentional disengagement and phasic alertness

Atsuko Nakagawa1, Masune Sukigara1

  • 1Nagoya City University, Japan.

Infant Behavior & Development
|March 12, 2019
PubMed

Insights

Infant attention development was studied using an overlap paradigm. Auditory cues did not significantly alter disengagement, but temperamental soothability correlated with attention disengagement latencies.

Area of Science:

  • Developmental Psychology
  • Cognitive Neuroscience

Background:

  • Attention development is foundational for cognitive abilities.
  • Visual disengagement in infants is influenced by auditory cues, as seen in older children.
  • The overlap paradigm is a key tool for studying attention and disengagement.

Purpose of the Study:

  • To investigate the relationship between phasic alertness and disengagement in infants.
  • To examine the effect of auditory warning signals on infant disengagement.
  • To explore the link between infant temperament and attention disengagement.

Main Methods:

  • Utilized the overlap paradigm with infants aged 6, 12, and 24 months.
  • Manipulated phasic alertness using a spatially nondirective warning signal.
  • Measured response latencies and accuracy in overlap and no-overlap conditions.

Main Results:

  • Infant responses were slower and less accurate in the overlap condition compared to the no-overlap condition.
  • The warning signal tended to reduce response latencies in both conditions.
  • No age-related difference in the effectiveness of the warning signal was found.

Conclusions:

  • Infant disengagement is more challenging in overlap conditions.
  • Auditory warning signals may facilitate attention but do not differentially impact younger infants.
  • Temperamental soothability is associated with infant attention disengagement latencies.

Keywords:
DisengagementInfantPhasic alertnessTemperament

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