Figure 3A.I. Navigation index n mean test used p value std t value df CT 0 -0.234545801 -0.114738935 -0.169825515 -0.190520161 -0.281438977 -0.2535392 -0.208441542 -0.221363023 -0.171567622 -0.1844155 10 -0.203 two-tailed one sample t-test 2.86E-07 *** 0.0477 -13.4701 9 CT 6 -0.133058212 -0.090814839 -0.193719126 -0.10483401 -0.196974466 -0.162079704 -0.128170604 -0.126668028 -0.138691647 -0.081776483 10 -0.1357 two-tailed one sample t-test 1.69E-06 *** 0.0392 -10.9388 9 CT 12 -0.180497017 -0.148280257 -0.259222576 -0.169324989 -0.14964586 -0.084159331 -0.111768491 -0.201824645 -0.162205429 -0.049897138 10 -0.1517 two-tailed one sample t-test 2.08E-05 *** 0.0595 -8.0619 9 CT 18 -0.038314967 -0.094064158 -0.138812981 -0.055456223 -0.061297338 -0.024176233 -0.109830522 -0.097956222 -0.064906692 -0.057878011 10 -0.0743 two-tailed one sample t-test 8.87E-05 *** 0.0351 -6.6985 9 one-way ANOVA followed by Dunnett's test for statistical comparison between different CTs: p value CT0 - CT12 0.08054 NS CT0 - CT18 < 0.001 *** CT0 - CT6 0.0127 * CT12 - CT18 0.00343 ** CT6 - CT12 0.86625 NS CT6 - CT18 0.02667 * Figure 3A.II. Mean run change n mean test used p value stdev t value df CT 0 13.4448 7.0135 8.5945 7.9976 11.0079 12.8359 8.6607 10.9396 6.6803 11.0305 10 9.82053 two-tailed one sample t-test 3.54E-07 *** 2.3633 13.1407 9 CT 6 5.631 4.2572 1.8766 2.1971 4.8993 6.3732 4.7951 4.9072 3.5503 1.0455 10 3.9533 two-tailed one sample t-test 5.20E-05 *** 1.7413 7.1791 9 CT 12 10.30433123 7.531488752 7.464516664 6.379730267 5.475889259 9.583737358 6.016729277 8.667704933 8.272296288 4.479961467 10 7.4176 two-tailed one sample t-test 4.79E-07 *** 1.8491 12.6853 9 CT 18 3.0486 -0.9826 3.5624 2.9882 2.9603 2.4224 4.439 4.302 7.8215 2.5059 10 3.3068 two-tailed one sample t-test 9.83E-04 *** 2.1815 4.7935 9 one-way ANOVA followed by Dunnett's test for statistical comparison between different CTs: p value CT0 - CT12 0.05889 NS CT0 - CT18 < 0.001 *** CT0 - CT6 < 0.001 *** CT12 - CT18 < 0.001 *** CT6 - CT12 0.00303 ** CT6 - CT18 0.89428 NS Figure 3A.III. Turn direction 90_matrix 90_matrix_left minus90_matrix minus90_matrix_right number of turns away from light source number of turns towards light source total number of turns n mean test used p value CT 0 999 632 972 583 1215 756 1971 10 61.64383562 two-tailed exact binomial test < 2.2e-16 *** CT 6 1186 665 1039 595 1260 965 2225 10 56.62921348 two-tailed exact binomial test 4.33E-10 *** CT 12 1156 665 1143 668 1333 966 2299 10 57.98173119 two-tailed exact binomial test 2.02E-14 *** CT 18 1300 640 1246 687 1327 1219 2546 10 52.12097408 two-tailed exact binomial test 3.39E-02 * two-tailed Fisher’s exact test followed by Benjamini Hochberg procedure for statistical comparison between different CTs: p value ranking adjusted p value CT0 vs CT18 1.70E-10 1 1.0212E-09 *** CT12 vs CT18 4.56E-05 2 0.00013674 *** CT0 vs CT6 0.001072 3 0.002144 ** CT6 vs CT18 0.001835 4 0.0027525 ** CT0 vs CT12 0.01598 5 0.019176 * CT6 vs CT12 0.3672 6 0.3672 NS Figure 3B.I. Turn size delta n mean test used p value stdev t value df CT 0 14.3656 21.9184 14.3656 16.5454 22.7868 20.2614 11.8992 22.6527 20.8779 18.3869 10 18.5865 two-tailed one sample t-test 7.53E-08 *** 3.7403 15.7139 9 CT 6 16.644 23.9883 11.8923 19.5239 15.6215 18.8075 17.3977 15.6142 11.9921 11.0496 10 16.2531 two-tailed one sample t-test 4.24E-07 *** 3.9941 12.8682 9 CT 12 7.8619 27.0827 13.7561 18.5668 12.5911 10.8159 18.6377 6.4826 21.367 13.6782 10 15.084 two-tailed one sample t-test 3.63E-05 *** 6.3466 7.5158 9 CT 18 11.3786 7.2571 13.0588 19.1033 19.217 18.1352 6.1564 7.8476 -4.8394 12.5697 10 10.9884 two-tailed one sample t-test 0.0011 ** 7.3729 4.713 9 one-way ANOVA followed by Dunnett's test for statistical comparison between different CTs: p value CT0 - CT12 0.554 NS CT0 - CT18 0.0265 * CT0 - CT6 0.8261 NS CT12 - CT18 0.3739 NS CT6 - CT12 0.966 NS CT6 - CT18 0.173 NS Figure 3B.II. Turn rate delta n mean test used p value stdev t value df CT 0 2.9791 2.0838 2.2555 2.377 1.5155 2.3635 1.4648 2.334 2.8927 1.8734 10 2.2139 two-tailed one sample t-test 2.22E-07 *** 0.5048 13.8696 9 CT 6 4.4148 1.6784 2.1116 2.1844 3.8762 2.6486 3.641 3.0827 3.6625 2.2912 10 2.9591 two-tailed one sample t-test 2.81E-06 *** 0.909 10.2945 9 CT 12 2.3521 1.1473 2.3989 1.3376 1.7977 1.92 1.9966 2.2082 2.286 1.114 10 1.8559 two-tailed one sample t-test 8.42E-07 *** 0.4943 11.874 9 CT 18 2.3082 2.16 1.5096 1.345 2.1267 3.0007 1.4649 1.6419 1.7106 1.2621 10 1.853 two-tailed one sample t-test 1.83E-06 *** 0.541 10.831 9 one-way ANOVA followed by Dunnett's test for statistical comparison between different CTs: p value CT0 - CT12 0.59434 NS CT0 - CT18 0.58803 NS CT0 - CT6 0.05909 NS CT12 - CT18 1 NS CT6 - CT12 0.00222 ** CT6 - CT18 0.00218 ** Figure 3B.III. Head-sweep acceptance rate delta n mean test used p value stdev t value df CT 0 8.497215405 15.83285344 13.9174277 15.76631871 14.90414348 15.57221484 10.48097093 13.59750779 16.5307971 15.53328699 10 14.0633 two-tailed one sample t-test 3.71E-08 *** 2.6102 17.0379 9 CT 6 13.35257209 11.80683139 11.03783674 17.33220051 14.28021016 14.14033299 11.3738897 12.48045042 6.435929967 5.307664241 10 11.7548 two-tailed one sample t-test 2.75E-06 *** 3.6021 10.3196 9 CT 12 8.377345577 21.78362573 13.42823048 12.00819672 13.1414283 2.023339551 14.04688628 5.2092498 13.42289456 2.229643122 10 10.5671 two-tailed one sample t-test 4.08E-04 *** 6.1371 5.4449 9 CT 18 1.420069468 9.158379436 -1.228632479 7.496921182 12.47502498 3.985255251 4.248875959 1.864689365 12.73896074 8.6087502 10 6.0768 two-tailed one sample t-test 2.90E-03 ** 4.7581 4.0387 9 one-way ANOVA followed by Dunnett's test for statistical comparison between different CTs: p value CT0 - CT12 0.31506 NS CT0 - CT18 0.00169 ** CT0 - CT6 0.65931 NS CT12 - CT18 0.13103 NS CT6 - CT12 0.9334 NS CT6 - CT18 0.0357 *