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Fig. 5. (A) The relationship between mean S1 head turning rate and centre of mass
(CM) turning rate (open squares, slow responses; filled triangles, fast
responses). (B) The relationship between turning rates and stage 1 duration
(filled diamonds, CM turning rate in fast responses; filled squares, CM
turning rate in slow responses; open diamonds, mean S1 head turning rate in
fast responses; open squares, mean S1 head turning rate in slow responses).
The dotted line represents the regression between CM turning rate in slow
responses and stage 1 duration (Y=1.63+1044X;
r2=0.61; P<0.05; N=8). The continuous
line represents the regression between mean S1 head turning rate in slow
responses and stage 1 duration (Y=-0.36+342X;
r2=0.64; P<0.05; N=8). (C) The
relationship between speed (UT) and turning rates (filled
diamonds, CM turning rate in fast responses; filled squares, CM turning rate
in slow responses; open diamonds, mean S1 head turning rate in fast responses;
open squares, mean S1 head turning rate in slow responses).