Table 13.
Extended version of metrics from EEG-EMG coherence (CMC) and main findings related to motor function
| Correlation with clinical measures | EEG metric | Severity | Stage | Age mean (std), [range] | Stroke type | M/F | # Sub | Year | Author | Ref. |
|---|---|---|---|---|---|---|---|---|---|---|
| Flexion synergy | Beta, Gamma CMC | MMSE: 28(1)* | Chronic | 54.5(6.9) | NA | 1/11 | 12 | 2018 | Pan | [93] |
| FMUE | Beta, Gamma CMC | FMUE: 16.2(6.8) | Chronic | 57(11) | IS(3) and HS(5) | 1/7 | 8 | 2017 | Belardinelli | [37] |
| Function recovery, FMA-UE | Beta CMC | FMUE: 15 | Subacute | 35 | NA | 0/1 | 1 | 2018 | Zheng | [141] |
| Compensation of healthy limb | Gamma interhemispheric disparity | ARAT: [10 30] | Chronic | 52(8.1) | NA | 5/6 | 11 | 2018 | Bao | [145] |
| Characterization of CMC from stage to stage | CMC frequency peak | MMSE: 27(2)* | Acute to chronic | 71(11) | IS | 6/6 | 11 | 2014 | Von Carlowitz-Ghori | [146] |
| Non-significant differences among stages | CMC frequency peak | mild to moderate hand weakness | Chronic | 59(15) | IS | 2/13 | 15 | 2017 | Larsen | [112] |
| Co-contraction | CMC frequency peak | FMUE: 33.6(10), MAS: 1.3(0.8),1.4(0.7),1.6(0.6)** | Chronic | 56.5(9.5) | IS(7) and HS (7) | 3/11 | 14 | 2020 | Guo | [149] |
| FMUE | CMC topographical patterns | FMUE: 55 | Acute to chronic | 58.3 [52 64] | IS | NA | 11 | 2016 | Krauth | [144] |
| Level of impairment | CMC topographical patterns | ARAT: 45(19) | Subacute | 52(14) | NA | 6/19 | 25 | 2013 | Rossiter | [142] |
IS ischemic stroke, HS hemorrhagic stroke, M male, F female, * MMSE: mini mental state examination score, ** MAS finger, wrist, elbow