Cited by 48Mindfulness and Compassion InterventionsDementia and Cognitive Impairment ResearchCognitive Functions and Memory

Mindfulness intervention for mild cognitive impairment led to attention-related improvements and neuroplastic changes: Results from a 9-month randomized control trial

Yu, Junhong, Rawtaer, Iris, Feng, Lei, Fam, Johnson, Kumar, Alan Prem, Kee-Mun Cheah, Irwin, Honer, William G., Su, Wayne +4 more·2021·Journal of Psychiatric Research

Abstract

Mindfulness-based interventions can enhance cognitive abilities among older adults, thereby effectively delaying cognitive decline. These cognitive enhancements are theorized to accompany neuroplastic changes in the brain. However, this mindfulness-associated neuroplasticity has yet to be documented adequately. A randomized controlled trial was carried out among participants with mild cognitive impairment (MCI) to examine the effects of a mindfulness-based intervention on various cognitive outcomes and cortical thickness (CT) in the context of age-related cognitive impairment. Participants were assigned to a mindfulness awareness program (MAP)(n = 27) and an active control condition - health education program (n = 27). In both, they attended weekly sessions for three months and subsequently, monthly sessions for six months. Cognitive assessments and structural scans were carried out across three time-points. Whole brain analyses on CT were carried out and were supplemented with region of interest-based analyses. ROI values and cognitive outcomes were analyzed with mixed MANOVAs and followed up with univariate ANOVAs. Nine-month MAP-associated gains in working memory span and divided attention, along with an increased CT in the right frontal pole and decreased CT in the left anterior cingulate were observed. Three-month MAP-associated CT increase was observed in the left inferior temporal gyrus but did not sustain thereafter. MAP led to significant cognitive gains and various CT changes. Most of these neurobehavioral changes, may require sustained effort across nine months, albeit at a reduced intensity. MAP can remediate certain cognitive impairments and engender neuroplastic effects even among those with MCI.

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Crossref · 10.1016/j.jpsychires.2021.01.032

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Authors
Yu, J., Rawtaer, I., Feng, L., Fam, J., Kumar, A. P., Kee-Mun Cheah, I., Honer, W. G., Su, W., Lee, Y. K., Tan, E. C., Kua, E. H., & Mahendran, R.
Affiliations
  • National University of Singapore (SG)
  • SingHealth Duke-NUS Academic Medical Centre (SG)
  • University of British Columbia (CA)
  • National University Hospital (SG)
  • SingHealth (SG)
Corresponding author
  • Yu, Junhong
  • Mahendran, Rathi
Venue
Journal of Psychiatric Research
Publisher
Elsevier BV
Published
2021-03
Volume
135
Pages
203-211
ISSN
0022-3956 (ISSN-L)
OpenAlex
W3123105685
Cited by
48
References
30
Citations by year
2026: 7 · 2025: 9 · 2024: 5 · 2023: 13 · 2022: 8 · 2021: 6
FWCI
5.47
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Psychiatric Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Mindfulness and Compassion Interventions
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
Keywords
mindfulness-based interventions, mild cognitive impairment, neuroplasticity, cortical thickness, working memory, divided attention, cognitive decline, older adults, frontal pole, anterior cingulate cortex, inferior temporal gyrus
MeSH terms
Aged, Attention, Humans, Neuronal Plasticity, Treatment Outcome, Cognitive Dysfunction, Mindfulness

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