Table 3 –
Baseline scores in cognitive and language assessment. Means (SD) for each variable. Freq. = frequency. Comp. = Comprehension. Description of each task is provided on Table 2.
| Variable | Sham | tDCS | ||||
|---|---|---|---|---|---|---|
| lvPPA (n = 8) | nfvPPA (n = 8) | svPPA (n = 3) | lvPPA (n = 9) | nfvPPA (n = 7) | svPPA (n = 5) | |
| Language severity | 1.63 (.74) | 2.38 (.74) | 1.67 (.58) | 1.89 (1.02) | 1.93 (.73) | 2.20 (.84) |
| FTDCDR | 6.00 (4.74) | 9.94 (5.16) | 5.50 (2.65) | 8.94 (4.93) | 5.50 (2.84) | 6.50 (4.90) |
| Spelling words | 84.32 (11.98) | 77.72 (13.83) | 89.08 (12.34) | 78.65 (22.28) | 86.52 (12.29) | 92.71 (3.27) |
| Spelling pseudowords | 79.54 (12.05) | 64.69 (15.07) | 90.25 (12.06) | 74.57 (18.09) | 60.27 (18.65) | 91.32 (4.89) |
| Spelling low probability | 6.13 (4.23) | 4.44 (4.24) | 4.34 (3.77) | 8.50 (3.88) | 7.94 (3.78) | 3.40 (2.61) |
| Spelling high probability | 9.84 (4.87) | 6.80 (5.68) | 8.45 (4.71) | 11.211 (2.41) | 11.99 (1.86) | 12.20 (2.17) |
| Spelling low freq. | 9.96 (4.45) | 6.37 (5.67) | 7.26 (5.42) | 11.24 (3.38) | 11.22 (2.95) | 9.20 (2.59) |
| Spelling high freq. | 8.28 (3.16) | 5.36 (4.46) | 6.28 (3.71) | 9.51 (3.47) | 8.94 (2.37) | 6.40 (1.95) |
| Object naming | 17.75 (7.94) | 13.00 (8.75) | 4.33 (4.51) | 17.32 (11.05) | 18.14 (9.65) | 1.60 (2.07) |
| Action naming | 19.13 (8.29) | 13.63 (8.91) | 12.33 (10.02) | 17.36 (11.21) | 18.20 (11.73) | 4.40 (3.51) |
| Object knowledge | 14.38 (1.06) | 13.00 (3.07) | 13.66 (2.31) | 13.48 (2.65) | 14.64 (.64) | 12.00 (1.58) |
| Action knowledge | 12.38 (2.50) | 11.63 (3.34) | 12.33 (3.06) | 12.62 (2.57) | 13.56 (1.40) | 11.00 (2.24) |
| Comp. actives | 8.50 (1.20) | 8.41 (1.76) | 8.93 (1.01) | 8.01 (1.66) | 8.00 (.77) | 8.40 (.89) |
| Comp. passives | 7.75 (1.58) | 7.23 (2.13) | 7.53 (1.50) | 6.91 (2.24) | 5.74 (2.52) | 6.00 (4.00) |
| Comp. subject relatives | 7.625 (1.92) | 6.68 (2.99) | 9.09 (.87) | 7.38 (2.05) | 7.68 (1.60) | 8.20 (2.17) |
| Comp. object relatives | 6.125 (2.36) | 5.67 (1.49) | 5.96 (3.00) | 4.93 (1.44) | 4.21 (1.99) | 7.00 (2.74) |
| Sentence repetition | 27.63 (3.20) | 21.63 (11.03) | 35.33 (2.08) | 26.28 (7.66) | 23.50 (10.44) | 33.00 (2.35) |
| Verbal fluency | 29.25 (9.79) | 17.80 (10.84) | 31.79 (25.60) | 34.19 (23.39) | 33.43 (13.60) | 26.20 (15.47) |
| Digit span forward | 4.81 (1.16) | 3.13 (1.46) | 6.00 (2.78) | 3.06 (1.69) | 3.79 (1.80) | 6.60 (.74) |
| Digit span backward | 2.69 (.46) | 1.94 (1.05) | 4.83 (2.02) | 2.17 (1.06) | 2.86 (1.84) | 4.50 (1.90) |
| Spatial span forward | 3.69 (1.03) | 2.38 (1.43) | 3.83 (.28) | 3.68 (.86) | 4.36 (1.60) | 5.00 (1.00) |
| Spatial span backward | 3.31 (1.22) | 1.94 (1.45) | 3.90 (.18) | 2.86 (1.31) | 4.07 (.89) | 4.70 (1.52) |
| Visual attention | 88.89 (89.06) | 102.87 (82.06) | 57.00 (26.51) | 133.72 (97.80) | 56.29 (19.72) | 58.20 (41.14) |
| Task switching | 250.89 (82.37) | 264.57 (73.31) | 127.33 (39.31) | 249.99 (69.80) | 254.29 (56.37) | 152.79 (112.58) |
| RAVTL immediate recall | 1.94 (1.26) | 3.06 (2.84) | 1.88 (1.64) | 2.02 (.98) | 3.78 (2.76) | 1.60 (1.52) |
| RAVLT final acquisition | 3.74 (2.37) | 4.52 (2.96) | 4.89 (2.59) | 3.65 (2.44) | 7.74 (3.86) | 4.80 (3.63) |
| RAVLT total acquisition | 15.52 (8.76) | 20.25 (16.43) | 19.32 (10.97) | 15.52 (7.72) | 30.67 (18.49) | 19.60 (14.88) |
| RAVLT learning 5 trials | 1.81 (2.33) | 1.46 (1.00) | 3.02 (1.00) | 1.62 (2.06) | 3.96 (1.44) | 3.20 (2.59) |
| Proactive interference | .75 (2.82) | 1.59 (2.34) | −.84 (1.25) | 1.29 (1.02) | 1.65 (2.40) | −.48 (1.43) |
| Retroactive interference | .77 (1.67) | 1.36 (1.65) | 3.29 (2.35) | .80 (1.27) | 1.32 (.41) | 2.92 (2.06) |
| RAVLT delayed recall | 2.81 (2.97) | 3.43 (4.09) | 2.18 (1.91) | 2.87 (2.76) | 4.83 (2.36) | 2.72 (1.29) |