Table 1.
Reference (year) | Participants’ details | Experimental protocol | Outcome measures | Statistical thresholdb | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Population | N | Mean Age (years) | Sex (M:F) | Mind–body practice | Average duration of practice (years) | Control group | MRI paradigm | MRI analysis | Between-group resultsa (rsFC seed; if applicable) | Effect size in d [95%CI] | ||
Experiments included in the narrative synthesis (26 studies, 29 comparisons) | ||||||||||||
Chen15 | Healthy | 22 | 52.4 | 15:7 | TCC | 14 | Passive | Resting | rsFC (ROI-ROI) | ↓ R MFG–L MFG (DMN) | 0.643 [0.00470, 1.28] | Family-wise-error corrected p < 0.05 |
18 | 54.8 | 10:8 | ||||||||||
Cui61 | Healthy | 12 | 21.8 | 2:10 | TCC | 0.167 | Active | Resting | Graph theory network analysis |
Nodal clustering coefficient ↑ L thalamus ↑ L olfactory cortex Nodal efficiency ↑ Bilateral posterior cingulate ↑ R cuneus Nodal local efficiency ↑ L thalamus ↑ R olfactory cortex |
0.85 [0.01, 1.68] | Cluster-corrected, p < 0.05 |
12 | 21.8 | 2:10 | ||||||||||
Froeliger73 | Healthy | 7 | 36.4 | 6:1 | Yoga | 9.3 | Regular physical activity | Resting | VBM | ↑ GM volume in frontal, limbic, temporal, occipital, and cerebellar regions | 1.16 [0.03, 2.30] | Cluster-corrected, p < 0.05 |
7 | 35.5 | 6:1 | ||||||||||
Froeliger35 | Resting | Network-based rsFC |
DAN within-network ↑ R anterior IPS–FEF ↑ R anterior IPS–L middle temporal cortex ↑ R posterior IPS–L middle temporal cortex ↑ R middle temporal cortex–L FEF |
|||||||||
Froeliger29 |
(1) Emotional picture viewing task (2) Stroop task with distractor of negative emotion |
BOLD activation (ROI) |
↓ R dlPFC (negative–neutral) during emotion viewing ↑ L vlPFC (negative–neutral) during Stroop task |
|||||||||
Garner75 | Healthy | 39 | 22.7 | 5:34 | Yoga | 0.2 | Strengthening/stretching exercise | Resting | VBM |
VBM GM change ↓ L insula ↓ R IFG ↓ L IPL, AG |
− 0.86 [− 1.44, − 0.28] | Cluster-corrected p < 0.05 |
32 | 22.9 | 1:31 | ||||||||||
Kaur71 | Healthy | 13 | 27.2 | 6:7 | Yoga | 3 | Active lifestyle |
N-back task Stroop |
BOLD activation and FC (ROI) |
Activation changes 1-back ↑ STG ↑ L inferior semi lunar lobule ↑ Precentral gyrus ↑ Insula ↑ Parahippocampal gyrus 2-back ↑ MTG ↑ Left cerebellar tonsil Color stroop ↑ Inferior occipital gyrus ↑ Precuneus ↑ Parahippocampal gyrus ↑ Inferior semi lunar lobule ↑ Cerebellar tonsil ↑ STG Task-based FC changes 1-back ↑ L lPFC–R cerebellum ↑ R lPFC–R Insula ↓ L IPS–R PCG/R Insula/L cerebellum 2-back ↑ R FEF–L SFG ↑ L PFC–R cerebellum ↑ R IPS–Right R Cuneus cortex Color stroop ↑ FPN |
0.81 [0.01, 61] | Family-wise-error corrected p < 0.05 |
13 | 28.6 | 6:7 | ||||||||||
Li64 | Parkinson’s disease | 32 | 62.7 | 17:15 | TCC | 1 | Walking | Resting | Resting-state network connectivity | ↑ Visual network associated with better functional balance performance | 0.60 [0.0035, 1.20] | Voxel-wise corrected p < 0.05 |
17 | n.r. | n.r. | ||||||||||
Liu100 | Osteoarthritis | 28 | n.r. | 6:22 | TCC | 0.25 | Cycling | Resting | Seed to whole-brain rsFC |
PAG as seed ↑ L PAG–R MTG ↑ R PAG– R AG ↑ R PAG–L MTG ↓ L PAG–R MFG ↓ L PAG–L PCG ↓ R PAG–R mPFC ↓ R PAG–R NAc ↓ R PAG–bil. ACC |
0.54 [0.0028, 1.08] | Cluster-corrected p < 0.05 |
27 | 4:23 | |||||||||||
29 | n.r. | 5:24 | BDJ | 0.25 | Cycling | Resting | Seed to whole-brain rsFC |
PAG as seed ↑ R PAG–PAG–R AG ↓ R PAG–R mPFC |
0.54 [0.0027, 1.07] | Cluster-corrected p < 0.05 | ||
27 | 4:23 | |||||||||||
Liu72 | Healthy | 27 | 65.1 | 10:17 | TCC | 10.0 | Regular physical activity | Sequential decision task | BOLD activation and FC (ROI) | ↑Fronto-striatal connectivity | 0.55 [0.00290, 1.10] | Family-wise correction, p < 0.05 |
26 | 64.2 | 10:16 | ||||||||||
Liu62 | MCI | 20 | 66.2 | 5:15 | BDJ | 0.5 | Walking | Resting | Seed to whole-brain rsFC |
LC as seed ↑ L LC–R dlPFC ↑ R LC–R ACC ↓ L LC–Bilateral cerebellum exterior ↓ R LC–R inferior occipital cortex ↓ R LC–Bilateral precentral cortex ↓ R LC–Bilateral postcentral cortex ↓ R LC–L middle occipital cortex ↓ R LC–R cerebellum VTA as seed ↑ L VTA–Bilateral ACC ↑ R VTA–R TPJ |
0.99 [0.304, 1.67] | Voxel-wise Uncorrected, p < 0.005 |
17 | 64.3 | 7:10 | ||||||||||
Port97 | Healthy | 8 | 66.4 | 3:5 3:5 | TCC | 17.4 | Regular physical activity |
(1) n-back task (2) Stroop task |
BOLD activation (whole-brain) |
n-back ↓ R frontal pole ↓ SFG Stroop ↓ R intralcalcarine cortex ↓ Lateral occipital cortex ↓ Occipital pole |
1.07 [0.024, 2.12] | Cluster-corrected p < 0.05 |
8 | 66.4 | |||||||||||
Shen37 | Healthy | 12 | 21.8 | 2:10 | TCC | 0.16 | Brisk walking | Resting | fALFF |
↑ Lateral medial SFG ↑ R FFG ↓ R dorsal SFG ↓ R PCL |
0.85 [0.0114, 1.68] | Family-wise-error corrected p < 0.05 |
12 | 21.8 | 2:10 | ||||||||||
Tao63 | Healthy | 21 | 62.4 | 8:13 | TCC | 0.25 | Regular physical activity | Resting | Seed to whole-brain rsFC | ↑ Bilateral hippocampus–Bilateral mPFC | 0.597 [0.00370, 1.19] | Cluster-corrected p < 0.05 |
25 | 59.8 | 6:19 | ||||||||||
Tao63 | 16 | 62.2 | 6:10 | BDJ | 0.25 | ↑ Bilateral hippocampus–Bilateral mPFC | 0.648 [0.00460, 1.29] | Cluster-corrected p < 0.05 | ||||
25 | 59.8 | 6:19 | ||||||||||
Tao30 | Healthy | 21 | 62.4 | 8:13 | TCC | 0.25 | Regular physical activity | Resting | fALFF | ↑ dlPFC (slow-5 and low-frequency) | 0.597 [0.00370, 1.19] | Cluster-corrected p < 0.05 |
25 | 59.8 | 6:19 | ||||||||||
Tao30 | 15 | 62.3 | 6:9 | BDJ | 0.25 | ↑ Bilateral mPFC (slow-5 and low-frequency) |
0.661 95% C.I. [0.00490, 1.32] |
Cluster-corrected p < 0.005 | ||||
25 | 59.8 | 6:19 | ||||||||||
Tao38 | MCI | 20 | 66.2 | 5:15 | BDJ | 0.25 | Walking | Resting | VBM, fALFF, seed to whole-brain rsFC |
VBM GM volume changes ↑ R hippocampus fALFF changes ↑ mPFC (slow-4) ↑ dlPFC (slow-4) ↑ Bilateral ACC (slow-5) ↓ Bilateral lingual gyrus (slow-4) ↓ L hippocampus (slow-4) ↓ R STG rsFC changes ↑ R hippocampus–L mPFC ↑ R hippocampus–R angular gyrus |
0.988 [0.304, 1.67] | Cluster-corrected p < 0.05 |
17 | 64.3 | 7:10 | ||||||||||
Wadden70 | Healthy | 19 | 35.9 | 3:16 | Yoga | 0.5 | Regular physical activity |
Emotional/non-emotional video viewing Happiness sadness anger |
BOLD activation (whole-brain) |
↑ L SPL ↑R anterior supramarginal gyrus ↑ Postcentral gyrus |
1.12 [0.189, 1.67] | Voxel-wise uncorrected, p < 0.005 |
12 | 32.6 | 6:6 | ||||||||||
Wan98 | Subclinical (cognitive decline) | 26 | 67.4 | 9:17 | BDJ | 0.5 | Regular physical activity | Resting | GM (ROI) |
GM change ↑ R CA1 ↑ R presubiculum ↑ L parasubiculum |
0.57 [0.00320, 1.135] | Cluster-corrected, p < 0.05 |
24 | 64.7 | 12:12 | ||||||||||
Wei65 | Healthy | 18 | 52.4 | 7:11 | TCC | 14.6 | Sedentary lifestyle | Resting | ReHo |
↓ L ACC ↓R SFC of dlPFC ↑ R postcentral gyrus |
0.643 [0.00470, 1.28] | Cluster-corrected p < 0.05 |
22 | 54.8 | 8:14 | ||||||||||
Wei39 | Healthy | 18 | 52.4 | 7:11 | TCC | 14.6 | Sedentary lifestyle | Resting | fALFF |
↓ DMN ↓ Bilateral FPN ↓ Anterior cingulate-FPN network |
0.643 [0.00470, 1.28] | Cluster-corrected p < 0.05 |
22 | 54.8 | 8:14 | ||||||||||
Woodward76 | Early psychosis | 21 | 21.5 | 0:21 | Yoga | 0.25 | Aerobic exercise | Resting | GM (ROI) | Aerobic exercise > yoga: bilateral fusiform GM volume | 0.65 [0.00490, 1.30] | p < 0.05 |
18 | 22.3 | 0:18 | ||||||||||
Wu8 | Healthy | 16 | 64.9 | 3:13 | TCC | 0.25 | Regular physical activity | Task-switching paradigm | BOLD activation (whole-brain, ROI) |
↑ L SFG ↑ R MFG |
1.09 [0.337, 1.85] | Family-wise-error corrected p < 0.005 |
15 | 64.9 | 0:15 | ||||||||||
Yue32 | Healthy | 20 | 62.9 | 0:20 | TCC | 16.6 | Walking | Resting | VBM, ReHo |
VBM GM volume changes ↑ R ITG, L hippocampus and L cerebellum ReHo changes: ↑L hippocampus ↑ Fusiform gyrus |
1.10 [0.448, 1.75] | voxel-wise uncorrected, p < 0.001 |
22 | 62.4 | 0:22 | ||||||||||
Yue31 | Healthy | 20 | 62.9 | 0:20 | TCC | 6 | Walking | Resting | Graph theory network analysis |
White matter network ↑ normalized clustering coefficient ↑ characteristic path length |
0.624 [0.00430, 1.24] | (Correction not mentioned), p < 0.05 |
22 | 62.4 | 0:22 | ||||||||||
Zhang99 | Subclinical (mood/anxiety symptoms) | 9 | 24.2 | 2:7 | TCC | 0.17 | Regular physical activity | Resting | fALFF |
fALFF changes ↑ R MFG (orbital part) ↑ R MTG (temporal pole) ↑ R MOG |
1.00 [0.0194, 1.98] | Cluster-corrected p < 0.05 |
9 | 22.5 | 3:6 | ||||||||||
Zheng 74 | MCI | 23 | 65.8 | 6:17 | BDJ | 0.5 | Walking | Resting | VBM |
VBM GM volume changes ↑ R PCG ↑ R MOG |
0.78 [0.193, 1.394] | Voxel-wise corrected, p < 0.01 |
23 | 64.9 | 11:12 | ||||||||||
Experiments included in the meta-analysis (8 studies, 13 comparisons) | ||||||||||||
Liu34 | Healthy | 28 | 58.6 | n.r. | TCC | 0.25 | Waitlist control | Resting | Seed to whole-brain rsFC | Bilateral dlPFC (MNI coordinates: ± 36,27,29; FPN) | 0.559 [0.00300, 1.11] | Cluster-corrected p < 0.05 |
24 | 56.9 | |||||||||||
Liu34 | 29 | 59.7 | BDJ | Bilateral dlPFC (MNI coordinates: ± 36,27,29; FPN) | 0.554 [0.00300, 1.11] | Cluster-corrected p < 0.05 | ||||||
24 | 56.9 | |||||||||||
Liu34 | 28 | 58.6 | TCC | Walking | Bilateral dlPFC (MNI coordinates: ± 36,27,29; FPN) | 0.559 [0.00300, 1.11] | Cluster-corrected p < 0.05 | |||||
27 | 61.3 | |||||||||||
Liu34 | 29 | 59.7 | BDJ | Bilateral dlPFC (MNI coordinates: ± 36,27,29; FPN) | 0.554 [0.00300, 1.11] | Cluster-corrected p < 0.05 | ||||||
27 | 61.3 | |||||||||||
Liu40 | 21 | 62.4 | 8:13 | TCC | Waitlist control |
PCC (MNI coordinates: -2, -36, 37; DMN) mPFC (MNI coordinates: 1, 54, 21; DMN) |
0.597 [0.00370, 1.19] | Cluster-corrected p < 0.05 | ||||
25 | 60.1 | 6:19 | ||||||||||
Liu40 | 16 | 62.2 | 6:10 | BDJ | 0.65 [0.00460, 1.29] | Cluster-corrected p < 0.05 | ||||||
25 | 60.1 | 6:19 | ||||||||||
Liu66 | 16 | 65.19 | 8:18 | TCC | 10.4 | Regular physical activity | dlPFC (MNI coordinates: 36,27,29; FPN) |
0.95 [0.292, 1.61] |
Voxel-wise uncorrected, p < 0.005 | |||
25 | 63.92 | 9:16 | ||||||||||
Tao36 | 21 | 62.38 | 8:13 | TCC | 0.25 |
Bilateral dlPFC (MNI coordinates: ± 36.27.29; FPN) Bilateral dlPFC (MNI coordinates: ± 36.27.29; FPN) |
0.597 [0.00370, 1.19] | Cluster-corrected p < 0.05 | ||||
25 | 59.76 | 6:19 | ||||||||||
Tao36 | 16 | 62.33 | 6:9 | BDJ | 0.648 [0.00460, 1.29] | Cluster-corrected p < 0.05 | ||||||
25 | 59.76 | 6:19 | ||||||||||
Santaella67 | 20 | 68.2 | 0:20 | Yoga | 15.1 |
PCC (MNI coordinates: 1, − 61, 38; DMN) mPFC (MNI coordinates: 1, 55, − 3; DMN) |
0.640 [0.00470, 1.28] | Family-wise-error corrected p < 0.05 | ||||
20 | 66.5 | 0:20 | ||||||||||
Singleton68 | 16 | 49.4 | 5:11 | Yoga | 18.3 | PCC (MNI coordinates: − 9.6, − 51.3, 27.5; DMN) | 0.956 [0.235, 1.68] | Cluster-corrected p < 0.01 | ||||
17 | 52.5 | 7:10 | ||||||||||
van Aalst33 | 10 | 36.8 | 2:8 | Yoga | 4.8 | Stationary cycling | WHOLE-brain rsFC |
DMN (MNI coordinates: not specific) DMN (MNI coordinates: not specific) |
1.75 [0.723, 2.79] | Voxel-wise uncorrected, p < 0.001 | ||
10 | 34.6 | 2:8 | ||||||||||
Yue69 | 20 | 62.9 | 0:20 | TCC | 6 | Walking | 0.624 [0.00430, 1.24] | Family-wise-error corrected p < 0.05 | ||||
22 | 63.3 | 0:22 |
N number of participants, TCC Tai Chi Chung, BDJ Baduanjin, VBM voxel-based morphometry, GM grey matter, VMHC voxel-mirrored homotopic connectivity, ReHo regional homogeneity, fALFF fractional amplitude of low-frequency fluctuations, BOLD blood-oxygen-level-dependent, rsFC resting-state functional connectivity, ROI regions of interest, DTI diffusion tensor imaging, DMN default mode network, DAN dorsal attention network, FPN frontoparietal network, SN salience network, MFG middle frontal gyrus, MFC medial frontal cortex, PFC prefrontal cortex, aPFC anterior prefrontal cortex, lPFC lateral prefrontal cortex, mPFC medial prefrontal cortex, dmPFC dorsal medial prefrontal cortex, dlPFC dorsal lateral prefrontal cortex, vlPFC ventral lateral prefrontal cortex, SFG superior frontal gyrus, ACC anterior cingulate cortex, PCC posterior cingulate cortex, IPS intraparietal sulcus, SPL superior parietal lobule, FEF frontal eye field, STG superior temporal gyrus, MTG middle temporal gyrus, ITG inferior temporal gyrus, LC locus coeruleus, VTA ventral tegmental area, FFG fusiform gyrus, PCL paracentral lobule, PCG precentral gyrus, AG angular gyrus, PAG periaqueductal gray, NAc nucleus accumbens, n.r. not reported.
aStatistically significant results only; contrast of interest: mind-body practice group > control group, unless otherwise specified.