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Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
08:20

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

Memory suppression is an active process that improves over childhood.

Pedro M Paz-Alonso1, Simona Ghetti, Bryan J Matlen

  • 1Helen Wills Neuroscience Institute, University of California Berkeley, CA 94720, USA. kpazalonso@berkeley.edu

Frontiers in Human Neuroscience
|October 23, 2009
PubMed
Summary
This summary is machine-generated.

Children aged 8-12 improve at actively suppressing unwanted memories, a skill that develops through middle childhood. This memory suppression ability likely involves refining brain functions in the prefrontal cortex (PFC).

Keywords:
childhoodcognitive developmentepisodic retrievalinhibitionmedial temporal lobememory suppressionprefrontal cortex

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Area of Science:

  • Cognitive Neuroscience
  • Developmental Psychology
  • Neuroscience

Background:

  • The Think/No-Think (TNT) paradigm demonstrates memory suppression in adults, linked to prefrontal cortex (PFC) activation and medial temporal lobe (MTL) deactivation.
  • The capacity for active memory suppression in children remains largely unexplored.

Purpose of the Study:

  • To investigate the development of memory suppression abilities in middle childhood using the TNT paradigm.
  • To examine age-related changes in memory suppression from ages 8 to 12.

Main Methods:

  • Forty children (ages 8-12) and 30 adults participated in a memory suppression task.
  • Participants used the TNT paradigm, either remembering or suppressing specific memories after initial learning.
  • Memory recall was tested using both intra-list and extra-list cues post-suppression phase.

Main Results:

  • Children demonstrated significant age-related improvements in memory suppression between ages 8 and 12.
  • These improvements were observed across both intra-list and extra-list memory tests.
  • Overall declarative memory also improved with age during this period.

Conclusions:

  • Memory suppression is an active cognitive process that develops throughout childhood.
  • The refinement of PFC engagement to regulate MTL activity is a likely mechanism for developing memory suppression.
  • Findings suggest that children's ability to control unwanted memories matures during late childhood.