Micro-analysis of infant looking in a naturalistic social setting: insights from biologically based models of attention
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A current theory of attention posits that several micro-indices of attentional vigilance are dependent on activation of the locus coeruleus, a brainstem nucleus that regulates cortical norepinephrine activity (Aston-Jones et al., 1999). This theory may account for many findings in the infant literature, while highlighting important new areas for research and theory on infant attention. We examined the visual behaviors of n = 16 infants (6-7 months) while they attended to multiple spatially distributed targets in a naturalistic environment. We coded four measures of attentional vigilance, adapted from studies of norepinergic modulation of animal attention: rate of fixations, duration of fixations, latency to reorientation, and target 'hits'. These measures showed a high degree of coherence in individual infants, in parallel with findings from animal studies. Results also suggest that less vigilant infants showed greater habituation to the trial structure and more attentiveness to less salient stimuli during periods of high attentional competition. This pattern of results is predicted by the Aston-Jones model of attention, but could not be explained by the standard information processing model.
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Fixation durations were assessed based on eye-tracker data, rather than on hand coding of fixation durations or EOG.
“A final limitation of the present findings is that fixation durations were assessed based on eye-tracker data, rather than on hand coding of fixation durations (cf refs. 38, 39) or EOG21.”
From Shorter spontaneous fixation durations in infants with later emerging autism (2015) · cites this paper as [39]
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- Authors
- de Barbaro, K., Chiba, A., & Deák, G. O.
- Affiliations
- University of California San Diego (US)
- Corresponding author
- Deák, Gedeon O.
- Venue
- Developmental Science
- Publisher
- Wiley
- Published
- 2011-07-26
- Volume
- 14
- Issue
- 5
- Pages
- 1150-1160
- ISSN
- 1363-755X (ISSN-L)
- OpenAlex
- W2165962750
- Cited by
- 34
- References
- 69
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 2 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 4 · 2017: 1 · 2016: 3 · 2015: 1 · 2014: 4 · 2013: 4 · 2012: 2
- FWCI
- 6.56
- Type
- journal article
- Language
- en
- Open access
- green
- escholarship.org
- Locations
- Developmental Science (publishedVersion)
- PubMed (publishedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- Funders
- National Science Foundation (0527756, 0542013)
- Topics
- Social Sciences › Psychology › Developmental and Educational Psychology › Child and Animal Learning Development
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Keywords
- infant attention, attentional vigilance, locus coeruleus, norepinephrine, fixation rate, fixation duration, habituation, attentional competition, salience, information processing model
- MeSH terms
- Attention, Cognition, Female, Humans, Infant, Male, Photic Stimulation, Social Environment, Visual Perception
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