Application | Slope a | Intercept b | r | N |
---|---|---|---|---|
Single-point applications | ||||
10^{-1} mol l^{-1} betaine | 19.7±0.7 | 0.8±1.9 | 0.99 | 9 |
10^{-2} mol l^{-1} betaine | 16.9±0.7 | 1.5±1.7 | 0.99 | 9 |
10^{-4} mol l^{-1} betaine | 16.3±0.2 | -1.1±0.6 | 0.99 | 9 |
10^{-6} mol l^{-1} betaine | 15.7±0.4 | 0.2±0.9 | 0.99 | 9 |
10^{-7} mol l^{-1} betaine | 14.6±0.5 | -3.2±1.2 | 0.99 | 9 |
10^{-2} mol l^{-1} taurine | -19.5±2.9 | -19.1±7.9 | -0.93 | 8 |
Relationship between slope and [β] | 0.7±0.2 | 19.4±0.8 | 0.91 | 5 |
Relationship between intercept and [β] | 0.6±0.3 | 1.9±1.2 | 0.77 | 5 |
Unilateral two-point applications | ||||
10^{-2} mol l^{-1} betaine; orienting | 6.0±1.5 | 14.5±7.1 | 0.83 | 10 |
10^{-2} mol l^{-1} betaine; avoidance | -8.4±1.4 | 15.5±6.9 | -0.87 | 12 |
Bilateral two-point applications | ||||
10^{-2} mol l^{-1} betaine | 9.3±1.6 | 7.3±4.2 | 0.91 | 9 |
Unilateral two-point applications angle correlations | ||||
Third turn vs first turn | 1.0±0.2 | -3.7±8.2 | 0.84 | 17 |
Second turn vs first turn | 0.0±0.2 | 22.9±8.1 | 0.08 | 17 |
Bilateral two-point applications angle correlations | ||||
Third turn vs first turn | 0.6±0.3 | 34.5±17.4 | 0.53 | 12 |
Second turn vs first turn | -0.4±0.4 | -40.4±21.7 | -0.32 | 12 |
α=aβ+b, where α is the angle of turn andβ is the stimulus concentration. Values of slope a and intercept b are means ± s.e.m. N, sample size; r, correlation coefficient.
The table also shows correlation analysis for first and second angles of turn for sequences of turns elicited by 1- and 2-point applications.