[Developmental continuity of working memory from infancy to preschool age]

Area of Science:

• Cognitive Development
• Developmental Psychology
• Neuroscience

Context:

• Working memory (WM) is crucial for cognitive functions.
• Understanding the developmental trajectory of WM is essential for identifying potential learning difficulties.
• Continuity in early cognitive skills suggests foundational mechanisms influencing later development.

Purpose:

• To investigate the developmental continuity of working memory (WM) from infancy to preschool.
• To assess if infant WM performance predicts preschooler WM abilities.
• To examine WM development across different modalities and tasks.

Summary:

• 44 infants (10-11 months) completed the A-not-B task to assess infant WM.
• The same participants were later tested (5-7 years) on temporal order and visuospatial memory tasks.
• Results demonstrated a significant dependence of preschooler temporal-order memory on infant WM levels, confirming developmental continuity.

Impact:

• Findings suggest that early WM is a stable predictor of later cognitive skills.
• Highlights the importance of early working memory development for preschool cognitive abilities.
• Provides evidence for a continuous developmental pathway in working memory function.