Pupillometry as a Window into Young Children’s Sustained Attention

Sustained attention is critical to cognition, social competence, and academic success. Importantly, sustained attention undergoes significant development over the early childhood period. Yet, how sustained attention fluctuates over time on task has not been clearly outlined, particularly in young ch...

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Main Authors: Viridiana L. Benitez, Matthew K. Robison
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Journal of Intelligence
Subjects:
Online Access:https://www.mdpi.com/2079-3200/10/4/107
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author Viridiana L. Benitez
Matthew K. Robison
author_facet Viridiana L. Benitez
Matthew K. Robison
author_sort Viridiana L. Benitez
collection DOAJ
description Sustained attention is critical to cognition, social competence, and academic success. Importantly, sustained attention undergoes significant development over the early childhood period. Yet, how sustained attention fluctuates over time on task has not been clearly outlined, particularly in young children. In this study, we provide a first test of whether the pupillary response can be used as an indicator of moment-to-moment sustained attention over time on task in young children. Children aged 5 to 7 years (<i>N</i> = 41) completed a psychomotor vigilance task, where they were asked to press a button as fast as possible at the onset of a target stimulus. We measured reaction times over the course of the task, pupil size prior to target onset (baseline pupil size), and pupil size in response to target onset (task-evoked pupil size). The results showed a stereotypical vigilance decrement in children’s response times: as time on task increased, reaction times increased. Critically, children’s task-evoked pupil size decreased over time on task, while no such change was present in baseline pupil size. These results suggest that young children’s waning sustained attention may be linked to a decrease in alertness while overall arousal is maintained. We discuss the importance of leveraging pupillometry to understand the mechanisms of sustained attention over individuals and development.
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spelling doaj.art-3c2a9e9dbb504d1f9dbed06cdf42e4412023-11-24T15:52:56ZengMDPI AGJournal of Intelligence2079-32002022-11-0110410710.3390/jintelligence10040107Pupillometry as a Window into Young Children’s Sustained AttentionViridiana L. Benitez0Matthew K. Robison1Department of Psychology, Arizona State University, Tempe, AZ 85287, USADepartment of Psychology, University of Texas at Arlington, Arlington, TX 76019, USASustained attention is critical to cognition, social competence, and academic success. Importantly, sustained attention undergoes significant development over the early childhood period. Yet, how sustained attention fluctuates over time on task has not been clearly outlined, particularly in young children. In this study, we provide a first test of whether the pupillary response can be used as an indicator of moment-to-moment sustained attention over time on task in young children. Children aged 5 to 7 years (<i>N</i> = 41) completed a psychomotor vigilance task, where they were asked to press a button as fast as possible at the onset of a target stimulus. We measured reaction times over the course of the task, pupil size prior to target onset (baseline pupil size), and pupil size in response to target onset (task-evoked pupil size). The results showed a stereotypical vigilance decrement in children’s response times: as time on task increased, reaction times increased. Critically, children’s task-evoked pupil size decreased over time on task, while no such change was present in baseline pupil size. These results suggest that young children’s waning sustained attention may be linked to a decrease in alertness while overall arousal is maintained. We discuss the importance of leveraging pupillometry to understand the mechanisms of sustained attention over individuals and development.https://www.mdpi.com/2079-3200/10/4/107sustained attentionvigilancepupillometrychildrendevelopment
spellingShingle Viridiana L. Benitez
Matthew K. Robison
Pupillometry as a Window into Young Children’s Sustained Attention
Journal of Intelligence
sustained attention
vigilance
pupillometry
children
development
title Pupillometry as a Window into Young Children’s Sustained Attention
title_full Pupillometry as a Window into Young Children’s Sustained Attention
title_fullStr Pupillometry as a Window into Young Children’s Sustained Attention
title_full_unstemmed Pupillometry as a Window into Young Children’s Sustained Attention
title_short Pupillometry as a Window into Young Children’s Sustained Attention
title_sort pupillometry as a window into young children s sustained attention
topic sustained attention
vigilance
pupillometry
children
development
url https://www.mdpi.com/2079-3200/10/4/107
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