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Fig. 9. Cross-correlations between right (R) and left (L) antennal movements during
pausing. (A) Trajectories of both antennae show typical random patterns
(sampling period 18 s). (B) Cross-correlation for horizontal components. The
waves indicate the time courses of the right and left horizontal deflections
for a period of 42 s. Note that polarities for the horizontal position are
opposite between the right and left antennae (refer to calibration bars). RH,
horizontal deflection of the right antenna; LH, horizontal deflection of the
left antenna. Correlation coefficients (r) in the correlation map
were calculated by reference to the left antenna. Significant positive
correlations (r>0.25) are indicated by yellow to red, and the
negative ones (r<–0.25) by blue to black. Significant
negative correlations were observed as broad blue or black spots. Backgrounds
filled by gray color represent the areas where r values were not
statistically significant (|r|<0.25). (C)
Cross-correlation for vertical components. Significant correlations were few
on the map. RV, vertical deflection of the right antenna; LV, vertical
deflection of the left antenna.
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