ArticleFrontiers in aging neuroscience2019
Changes in Resting-State Functional Connectivity of the Hippocampus Following Cognitive Effort Predict Memory Decline at Older Age-A Longitudinal fMRI Study.
Article in Frontiers in aging neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Impact of Yoga Versus Memory Enhancement Training on Hippocampal Connectivity in Older Women at Risk for Alzheimer's Disease.Journal of Alzheimer's disease : JAD · 2023Trial
- Gamma neuromodulation improves episodic memory and its associated network in amnestic mild cognitive impairment: a pilot study.Neurobiology of aging · 2023Article
- Restoring Age-Related Cognitive Decline through Environmental Enrichment: A Transcriptomic Approach.Cells · 2022Article
- Cognitive decline and hippocampal functional connectivity within older Black adults.Human brain mapping · 2022Article
- Alterations of Brain Signal Oscillations in Older Individuals with HIV Infection and Parkinson's Disease.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2021Article
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Authors and funding
7 authors.
Funding
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Abstract
Memory decline is a feature of some, but not all, healthy older adults. The neural patterns of this variability are still largely unknown. We examined the resting-state functional connectivity (RSFC) of older and younger adults before and after cognitive effort as an underlying feature for subsequent memory changes, focusing on the RSFC between the left anterior hippocampus (laHC) and the posterior hippocampi (pHC). Results showed that for younger adults, post-effort increases in laHC-pHC RSFC were related to increases in RSFC between the laHC and the hubs of the default mode network (DMN). However, for older adults, post-effort increases in the RSFC of laHC-pHC were related to decreases in the RSFC of the laHC and right precentral gyrus. Thus, the correlation between intra-HC and inter-HC RSFC was altered with cognitive effort and aging. Importantly, older adults who had lower post-effort RSFC between the laHC and the pHC demonstrated a decline in episodic memory 2 years later. Hence, the change in intra-HC RSFC following cognitive effort was able to predict subsequent memory function with aging in our sample.
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