Table 6.
Mean reaction time for semantically related and unrelated trials for control, agrammatic PPA (PPA-G) and logopenic PPA (PPA-L) groups at each SOA.
| Stimulus Onset Asynchrony | ||||||||
|---|---|---|---|---|---|---|---|---|
| −1000 ms | −500 ms | −100 ms | 0 ms | |||||
| RT | SD | RT | SD | RT | SD | RT | SD | |
| Control | ||||||||
| Related | 967.9 | 90.2 | 1024.1** | 77.7 | 1072.7** | 118.6 | 1183.4** | 106.1 |
| Unrelated | 978.9 | 98.8 | 995.2 | 76.3 | 1055.3 | 121.7 | 1123.1 | 137.4 |
| Difference | −11.0 | 28.9 | 17.4 | 60.3 | ||||
| PPA-G | ||||||||
| Related | 1368.3 | 199.9 | 1404.5* | 207.9 | 1488.1* | 215.5 | 1628.1** | 181.0 |
| Unrelated | 1312.4 | 199.3 | 1310.8 | 151.9 | 1390.3 | 122.0 | 1437.8 | 186.1 |
| Difference | 55.9 | 93.7 | 97.8 | 190.3 | ||||
| PPA-L | ||||||||
| Related | 1298.8** | 173.7 | 1364.2*** | 144.3 | 1416.8* | 172.9 | 1562.2*** | 184.4 |
| Unrelated | 1237.9 | 150.2 | 1242.0 | 102.1 | 1360.5 | 149.7 | 1410.7 | 143.7 |
| Difference | 60.9 | 122.2 | 56.3 | 151.5 | ||||
Note: Mean reaction times (RT) in milliseconds (ms), and standard deviation (SD) by stimulus onset asynchrony (SOA).
*
p< .05,
**
p< .01,
***
p< .001.