Table 12 Extended version of metrics from EEG brain connectivity 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. |
|---|---|---|---|---|---|---|---|---|---|---|
Significant differences between people with stroke and control | Delta and Alpha2 small-worldness | NIHSS: 10.2(7) | Acute | 66.3(10.6) | IS | 7/23 | 30 | 2017 | Caliandro | [108] |
Predictor of FM-UE score | Maximum coherence PLI alpha band | FMUE: 39.4(10.3) | Sub-Acute | 64.2(12.4) | NA | 3/7 | 10 | 2020 | Riahi | [139] |
Motor therapy gains, FMA predictor | Ipsilesional High beta M1-PM and network to M1 coherence | FMUE: [22 55] | Chronic | 54 (16) | NA | 6/6 | 12 | 2015 | Wu | [94] |
FM-UE and hand recovery | Interhemispheric M1 Beta PDC | FMUE: 31(5.6) | Chronic | 60(13) | IS | 1/2 | 3 | 2018 | Eldeeb | [109] |
ARAT and FM-UE | Interhemispheric M1 Beta dwPLI | FMUE: 30.3(12.5), ARAT: 18.7(19) | Chronic | 64.4 (11.1) | IS and HS | 10/26 | 36 | 2020 | Hordacre | [138] |
FMA-UE, Nine Hole Peg Test | Motor cortex Weighted node Degree (WND) from iCoh beta band | NIHSS: 13[3 27] | Chronic | 60.7 [37 81] | IS | 9/15 | 24 | 2015 | Pietro | [38] |
3-months FMA | Global alpha connectivity with motor cortex | NIHSS: 13 | Chronic | 61 [37 81] | IS | 9/11 | 20 | 2013 | Dubovik | [104] |
Cortico Spinal Tract (CST) integrity, impairment | Beta, Gamma Normalized inter hemispheric strength (nIHS) from PDC | FMUE: 15(12) | Sub acute | 66 (8) | NA | NA | 30 | 2019 | Pichiorri | [136] |
Survivors of stroke have less-efficient networks vs. unimpaired | Global and local Beta/Gamma bands network efficiency | NA | Chronic | 65 | NA | 0/1 | 1 | 2009 | Fallani | [106] |
FM-UE | Global and local Beta/Gamma bands network efficiency | FMUE: 23.6(10) | Chronic | 57.90(12.44) | IS(24) and HS(6) | 9/21 | 30 | 2017 | Phillips | [135] |