The Temporal Dynamics of Brain Plasticity in Aging

Cerebral Cortex
Ann-Marie Glasø de LangeKristine B Walhovd

Abstract

Cognitive training has been suggested as a possible remediation of decline in brain structure with older age. However, it is unknown whether training effects are transient or enduring, as no studies have examined training-induced plasticity relative to decline in older adults across extended periods with multiple intervention phases. We investigated the temporal dynamics of brain plasticity across periods on and off memory training, hypothesizing that (1) a decline in white matter (WM) microstructure would be observed across the duration of the study and (2) that periods of memory training would moderate the WM microstructural decline. In total, 107 older adults followed a 40-week program, including 2 training periods separated by periods with no intervention. The general decline in WM microstructure observed across the duration of the study was moderated following the training periods, demonstrating that cognitive training may mitigate age-related brain deterioration. The training-related improvements were estimated to subside over time, indicating that continuous training may be a premise for the enduring attenuation of neural decline. Memory improvements were largely maintained after the initial training period, and may thus...Continue Reading

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Citations

Jun 14, 2019·Reviews in the Neurosciences·Jessica OschwaldSusan Mérillat
Sep 15, 2020·Frontiers in Aging Neuroscience·Renaud NicolasGwénaëlle Catheline
Feb 27, 2020·Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition·Anne Cecilie Sjøli BråthenKristine B Walhovd
Nov 3, 2020·Neurology. Genetics·Kristine B WalhovdYunpeng Wang
Jun 27, 2021·NeuroImage·Andrea Mendez ColmenaresAgnieszka Z Burzynska
Jul 11, 2021·Neuroscience and Biobehavioral Reviews·Brittany IntzandtLouis Bherer

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Software Mentioned

TBSS
FSL
FNIRT
eddy
Diffusion Toolbox ( FDT )
Brain Extraction Tool
Matlab
FMRIB

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