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Information Processing Approach

Information Processing Approach

The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...

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Related Experiment Video

Updated: Jan 17, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

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Spatial Uncertainty and Information Processing Speed in Infants and Adults: Age Differences in Saccadic Reaction Time

Scott A Adler¹, Thomas J Baker¹

¹Department of Psychology and Centre for Vision Research, York University.

Journal of Cognition and Development : Official Journal of the Cognitive Development Society

|September 17, 2025

Summary

As infants mature, their saccadic reaction times (RTs) become less affected by spatial uncertainty, mirroring adult performance. This developmental shift in speed of information processing (SIP) suggests changes in response selection or inhibition.

Keywords:

Development Eye Movements Infants Reaction Time Slopes Speed of Information Processing

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Last Updated: Jan 17, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

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Published on: March 18, 2019

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Eye Tracking Young Children with Autism

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Published on: March 27, 2012

Area of Science:

Cognitive Development
Developmental Psychology
Neuroscience

Background:

Speed of information processing (SIP) is crucial for cognitive development.
Adults' manual RTs increase with choices, but saccadic RTs do not, unlike infants.
Seven-month-old infants' saccadic RTs increase with target choices, indicating developmental differences.

Purpose of the Study:

To investigate the developmental trajectory of saccadic reaction times (RTs) in response to spatial uncertainty.
To understand how infants' saccadic RTs change from 5 to 9 months of age and approach adult performance.
To identify potential mechanisms underlying the developmental changes in spatial SIP.

Main Methods:

Assessed reactive saccades in a choice reaction time task with varying spatial uncertainty.
Compared performance between adults and 5- and 9-month-old infants.
Analyzed the relationship between saccadic RTs and the number of choice alternatives.

Main Results:

Both 5- and 9-month-old infants showed linearly increasing saccadic RTs with greater spatial uncertainty.
Nine-month-olds exhibited a shallower slope in RT increase compared to 5-month-olds, approaching adult performance.
Adults' saccadic RTs did not increase with spatial uncertainty.

Conclusions:

Saccadic RTs demonstrate a developmental trend in assessing spatial SIP.
Infants' saccadic responses become less sensitive to spatial uncertainty with age, aligning with adult patterns.
Changes in response selection or inhibitory mechanisms may explain the decreasing saccade sensitivity in development.