The older adult brain is less modular, more integrated, and less efficient at rest: A systematic review of large‐scale resting‐state functional brain networks in aging

HA Deery, R Di Paolo, C Moran, GF Egan… - …, 2023 - Wiley Online Library
The literature on large‐scale resting‐state functional brain networks across the adult
lifespan was systematically reviewed. Studies published between 1986 and July 2021 were …

Brain modularity: a biomarker of intervention-related plasticity

CL Gallen, M D'Esposito - Trends in cognitive sciences, 2019 - cell.com
Interventions using methods such as cognitive training and aerobic exercise have shown
potential to enhance cognitive abilities. However, there is often pronounced individual …

The effect of aging on resting state connectivity of predefined networks in the brain

E Varangis, CG Habeck, QR Razlighi… - Frontiers in aging …, 2019 - frontiersin.org
Recent studies have found a deleterious effect of age on a wide variety of measures of
functional connectivity, and some hints at a relationship between connectivity at rest and …

Age-related neural dedifferentiation and cognition

JD Koen, S Srokova, MD Rugg - Current Opinion in Behavioral Sciences, 2020 - Elsevier
This review focuses on possible contributions of neural dedifferentiation to age-related
cognitive decline. Neural dedifferentiation is held to reflect a breakdown in the functional …

[HTML][HTML] Functional dedifferentiation of associative resting state networks in older adults–a longitudinal study

B Malagurski, F Liem, J Oschwald, S Mérillat, L Jäncke - NeuroImage, 2020 - Elsevier
Healthy aging is associated with weaker functional connectivity within resting state brain
networks and stronger functional interaction between these networks. This phenomenon has …

Leveraging technology to personalize cognitive enhancement methods in aging

DA Ziegler, JA Anguera, CL Gallen, WY Hsu, PE Wais… - Nature aging, 2022 - nature.com
As population aging advances at an increasing rate, efforts to help people maintain or
improve cognitive function late in life are critical. Although some studies have shown …

Longitudinal functional brain network reconfiguration in healthy aging

B Malagurski, F Liem, J Oschwald… - Human Brain …, 2020 - Wiley Online Library
Healthy aging is associated with changes in cognitive performance and functional brain
organization. In fact, cross‐sectional studies imply lower modularity and significant …

Brain network modularity predicts improvements in cognitive and scholastic performance in children involved in a physical activity intervention

L Chaddock-Heyman, TB Weng, C Kienzler… - Frontiers in Human …, 2020 - frontiersin.org
Introduction: Brain network modularity is a principle that quantifies the degree to which
functional brain networks are divided into subnetworks. Higher modularity reflects a greater …

Alzheimer's pathology is associated with dedifferentiation of intrinsic functional memory networks in aging

KE Cassady, JN Adams, X Chen, A Maass… - Cerebral …, 2021 - academic.oup.com
In presymptomatic Alzheimer's disease (AD), beta-amyloid plaques (Aβ) and tau tangles
accumulate in distinct spatiotemporal patterns within the brain, tracking closely with episodic …

High-definition transcranial direct current stimulation enhances network segregation during spatial navigation in mild cognitive impairment

AD Iordan, S Ryan, T Tyszkowski, SJ Peltier… - Cerebral …, 2022 - academic.oup.com
Spatial navigation is essential for everyday life and relies on complex network-level
interactions. Recent evidence suggests that transcranial direct current stimulation (tDCS) …