Table 4. Lexical Decision Task.
| non-DBS | DBS | p-values | ||||
| RT (ms) | ON | OFF | ON | OFF | ON vs. OFF | |
| M (± SD) | M (± SD) | M (± SD) | M (± SD) | non-DBS | DBS | |
| mean | 1030.6 (±94.1) | 1048.4 (±115.8) | 1143.6 (±225.6) | 1183.2 (±272.6) | .48 | .29 |
| unrelated | 1098.3 (±88.8) | 1133.4 (±118.6) | 1241.8 (±243.9) | 1299.7 (±270.2) | ||
| sem. related | 1022.7 (±120.5) | 1027.5 (±105.5) | 1102.0 (±220.9) | 1137.3 (±269.3) | ||
| phon. related | 974.0 (±96.3) | 987.4 (±143.1) | 1090.6 (±227.3) | 1125.7 (±297.5) | ||
RT: reaction time; sem.: semantic; phon.: phonemic.
Reaction time in LDT of the subgroups of non-DBS and DBS patients who participated in both the ON and OFF therapy condition are presented for the three distinct stimulus conditions and their mean. Values indicate the mean (± standard deviation).