Table 5. Summary statistics from the linear mixed effects models testing for associations between TVA parameters (dependent variables) and group by session, including age and sex as covariates and participant as random factor.
| Term | K | C | t0 | Error rate | |
|---|---|---|---|---|---|
| session | estimate (std.error) | 0.090 (0.014) | 2.004 (0.316) | −2.502 (0.427) | 0.006 (0.002) |
| t (p) | 6.620 (<.001)* | 6.340 (<.001)* | −5.860 (<.001)* | 3.180 (0.002)* | |
| age | estimate (std.error) | −0.029 (0.012) | −0.666 (0.169) | 0.167 (0.248) | 0.001 (0.001) |
| t (p) | −2.410 (0.019) | −3.940 (<.001)* | 0.670 (0.504) | 0.960 (0.344) | |
| sex | estimate (std.error) | −0.213 (0.208) | 1.967 (2.921) | −1.147 (4.286) | 0.007 (0.021) |
| t (p) | −1.020 (0.311) | 0.670 (0.504) | −0.270 (0.79) | 0.330 (0.744) | |
| group | estimate (std.error) | 0.003 (0.194) | 1.113 (2.994) | 2.005 (4.301) | −0.024 (0.020) |
| t (p) | 0.020 (0.987) | 0.370 (0.712) | 0.470 (0.643) | −1.170 (0.247) | |
| sess:group | estimate (std.error) | −0.018 (0.019) | 0.787 (0.446) | −0.361 (0.603) | 0.005 (0.003) |
| t (p) | −0.930 (0.352) | 1.760 (0.079) | −0.600 (0.550) | 1.730 (0.085) |
Notes.
*
Significant after Bonferroni correction.
- K
- short-term memory capacity
- C
- perceptual processing speed
- t0
- perceptual threshold
- sess:group
- session by group interaction
- Estimate
- unstandardized regression coefficients b
- std. error
- standard error
- t
- t-value
- p
- p-value