Hippocampal functional connectivity and episodic memory in early childhood

Developmental Cognitive Neuroscience
Tracy RigginsElizabeth Redcay

Abstract

Episodic memory relies on a distributed network of brain regions, with the hippocampus playing a critical and irreplaceable role. Few studies have examined how changes in this network contribute to episodic memory development early in life. The present addressed this gap by examining relations between hippocampal functional connectivity and episodic memory in 4- and 6-year-old children (n=40). Results revealed similar hippocampal functional connectivity between age groups, which included lateral temporal regions, precuneus, and multiple parietal and prefrontal regions, and functional specialization along the longitudinal axis. Despite these similarities, developmental differences were also observed. Specifically, 3 (of 4) regions within the hippocampal memory network were positively associated with episodic memory in 6-year-old children, but negatively associated with episodic memory in 4-year-old children. In contrast, all 3 regions outside the hippocampal memory network were negatively associated with episodic memory in older children, but positively associated with episodic memory in younger children. These interactions are interpreted within an interactive specialization framework and suggest the hippocampus becomes functio...Continue Reading

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Citations

Oct 22, 2016·Neuroscience and Biobehavioral Reviews·Vishnu P MurtyBeatriz Luna
Sep 2, 2016·Human Brain Mapping·Sarah L BlankenshipTracy Riggins
Jun 5, 2020·Hippocampus·Kelsey L CanadaTracy Riggins
Apr 8, 2020·The Journal of Genetic Psychology·Kelsey L CanadaTracy Riggins
Jun 6, 2018·Proceedings of the National Academy of Sciences of the United States of America·Janani PrabhakarSimona Ghetti
Dec 24, 2018·Developmental Psychobiology·Kimberly Cuevas, Adam Sheya
Jul 6, 2017·Developmental Science·Leslie Rollins, Tracy Riggins
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Nov 28, 2017·Developmental Cognitive Neuroscience·Chi T NgoIngrid R Olson
Feb 25, 2021·Developmental Science·Natalie M Saragosa-HarrisCatherine A Hartley
Oct 16, 2020·Child Maltreatment·Daryl T Cooley, Yo Jackson

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Methods Mentioned

BETA
PCA

Software Mentioned

AFNI
DPARSF
SPM8
Template
- Matic
SPM
3dClustSim
DARTEL
SPSS
- O

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