Table 1.
Demographic data, basic cognitive, NPT and SST scores, and ANOVA p values for the FLL and NC groups (mean (SD))
| FLL | NC | ANOVA p values | |
|---|---|---|---|
| N | 22 | 22 | |
| Age | 53.8 (7.3) | 52.5 (7.8) | .57 |
| Education | 13.7 (2.1) | 13.7 (1.8) | .31 |
| NPT | |||
| Error rate | 0.12 (0.09) | 0.10 (0.09) | .44 |
| Reaction times | |||
| Control | 619.1 (89.8) | 582.8 (71.5) | .24 |
| Distractor suppression | 630.0 (98.5) | 602.6 (76.6) | .41 |
| Repeated distractor | 616.9 (91.3) | 583.2 (78.0) | .29 |
| Target to distractor | 608.0 (88.5) | 578.9 (83.8) | .36 |
| No distractor | 552.3 (65.1) | 523.3 (77.7) | .28 |
| Contrasts | |||
| DS–C | 10.9 (24.7) | 19.8 (20.9) | .30 |
| C–RD | 2.3 (17.0) | −0.4 (15.6) | .66 |
| C–TD | 11.0 (21.9) | 3.9 (21.4) | .38 |
| C–ND | 66.8 (35.2) | 59.5 (22.2) | .51 |
| SST | |||
| Mean RT | 666.5 (119.7) | 573.2 (111.1) | .010* |
| Accuracy | 96.8 (3.0) | 96.0 (8.9) | .72 |
| Probability to stop | 0.51 (0.11) | 0.52 (0.04) | .99 |
| Stop signal RT | 282.1 (145.9) | 242.42 (75.1) | .26 |
| WAIS-R | |||
| Verbal IQ | 96.9 (12.9) | ||
| Performance IQ | 100.5 (12.1) | ||
| Full IQ | 98.6 (13.8) | ||
| TOH | 1008.6 (314.7) | ||
| WCST | |||
| Categories | 4.6 (2.1) | ||
| % perseveration | 18.6 (18.4) | ||
| BDI | 9.6 (7.2) | ||
| NPI | 8.6 (8.6) | ||
| Total brain volume loss [sm3] | 65.3 (48.8) |
DS, distractor suppression; C, control; RD, repeated distractor; TD, target to distractor; ND, no distractor; and RT, response time. p values significant at the 0.05 level are marked with *.