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Exploring Infant Sensitivity to Visual Language using Eye Tracking and the Preferential Looking Paradigm
Published on: May 15, 2019
Attentional bias assessed by a facial expression cuing paradigm in infants
Atsuko Nakagawa1, Masune Sukigara2
1Graduate School of Humanities and Social Sciences, Nagoya City University, 1 Yamanohata, Mizuho-cho, Mizuho-ku, Nagoya, 467-8501, Japan. nakagawa@hum.nagoya-cu.ac.jp.
Insights
Infants show faster responses to fearful cues, indicating attentional bias. By 12 months, fearful expressions may prolong attention disengagement, linking attentional bias to temperament.
Area of Science:
- Developmental Psychology
- Cognitive Neuroscience
- Infant Perception
Background:
- Understanding infants' early attentional biases is crucial for cognitive and emotional development.
- Fearful facial expressions are significant social cues that may elicit specific attentional responses in infants.
Purpose of the Study:
- To investigate attentional bias towards fearful facial expressions in 6- and 12-month-old infants.
- To examine age-related differences and the influence of temperament on attentional bias.
Main Methods:
- A facial expression cueing paradigm was used with 6- and 12-month-old infants.
- Infants' saccadic eye movements were recorded in response to happy, fearful, or neutral facial cues (congruent and incongruent).
- Temperamental disposition was assessed using the Infant Behavior Questionnaire-Revised.
Main Results:
- Infants responded faster to fearful cues compared to happy cues (fearful vigilance).
- At 12 months, incongruent fearful cues prolonged attentional disengagement compared to happy cues.
- Infants' attentional bias at 12 months correlated with high temperamental orienting scores.
Conclusions:
- Infants exhibit an attentional bias towards fearful facial expressions, with age-related differences in processing.
- Fearful expressions may influence attentional disengagement and narrowing in older infants.
- Attentional bias is partly associated with temperamental disposition in infants, highlighting the role of attentional networks in socio-cognitive development.
Abstract:
To disambiguate infants' attentional bias towards fearful facial expressions, we applied a facial expression cueing paradigm to 36 6-month-old and 33 12-month-old infants, with 21 infants taking part at both ages. Infants made saccades towards a peripheral target preceded by a happy, fearful, or neutral cue directing their attention to the target location (congruent) or the wrong location (incongruent). The results show that infants were faster to respond when shown a fearful (vs. happy) face as a congruent cue, which is consistent with previous studies referring to fearful vigilance, while an incongruent fearful cue reduces attention shifts to the target on the opposite side of the monitor to a greater extent than an incongruent happy cue at 12 months, implying that a fearful facial expression prolongs attentional disengagement or is associated with a greater narrowing of attention. Additionally, the latencies of 6-month-olds were significantly faster than those of 12-month-olds in a congruent condition. The relationship between attentional bias and temperamental disposition was examined using the Infant Behavior Questionnaire-Revised. High temperamental orienting scores partly correlated with attentional bias at 12 months. The contributions of attentional brain networks to socio-cognitive and emotional development are also discussed.
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