Table 2.
Correlation matrixes of parameters selected based on the PLS analysis of MCSF parameters (X) and EPM, OF, and OF with start box parameters (Y).
| D/F | D/F | D/F | D/F | ||
|---|---|---|---|---|---|
| (A) | center | DCR | hurdle | TOTCORR | |
| F box | -0.25 | -0.19 | -0.51 | 0.39 | |
| D box | 0.45 | 0.38 | 0.16 | 0.16 | |
| D/F box | 0.47 | 0.29 | 0.55 | -0.08 | |
| F closed arms | -0.51 | -0.04 | -0.10 | 0.11 | |
| D closed arms | -0.04 | 0.34 | -0.29 | 0.01 | |
| D/F closed arms | 0.52 | 0.04 | 0.07 | -0.10 | |
| F | D | D/F | |||
| (B) | bridge | bridge | bridge | ||
| F open arms | 0.08 | 0.20 | 0.32 | ||
| D open arms | 0.34 | 0.43 | 0.18 | ||
| D/F open arms | 0.47 | 0.46 | -0.15 | ||
| Total activity EPM | 0.29 | 0.36 | 0.14 | ||
| Distance EPM | 0.63* | 0.62* | -0.05 | ||
| Velocity EPM | 0.01 | 0.13 | 0.31 | ||
| Rearing EPM | 0.88*** | 0.76** | -0.17 | ||
| F | D | D/F | Distance | Velocity | |
| (C) | center | center | center | center | center |
| Total activity OF | 0.60* | 0.82** | -0.02 | 0.57 | 0.01 |
| Distance OF | 0.43 | 0.85*** | 0.10 | 0.52 | -0.15 |
| Velocity OF | 0.59* | 0.81** | -0.17 | 0.65* | 0.03 |
| Rearing OF | 0.61* | 0.80** | -0.18 | 0.64* | -0.06 |
Data are presented as Spearman’s rho (ρ), ∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001 Spearman rank correlation test. D, duration; D/F, duration per visit; EPM, elevated plus maze; F, frequency; MCSF, multivariate concentric square field; OF, open field; PLS, partial least squares projections to latent structures; TOTCORR, total corridor.