Table 1.

Intensity of motor movements of head and limbs during sniffing behavior

Time segmentIntensity of movements (centimeters moved by head and/or limbs)Paired t test
Type 1Type 2t valuep value
After transition
 0–0.5 sec4.17 (0.35)2.75 (0.31)5.463<.01*
 0.5–1.0 sec2.82 (0.35)1.96 (0.28)3.687<.01*
 1.0–1.5 sec2.74 (0.32)2.01 (0.17)3.283<.05*
 1.5–2.0 sec2.79 (0.20)2.07 (0.21)8.449<.001*
Before transition
 0–0.5 sec5.23 (0.62)2.26 (0.39)7.161<.001*
 0.5–1.0 sec3.03 (0.30)1.73 (0.29)3.965<.007*
 1.0–1.5 sec2.77 (0.30)1.58 (0.16)2.984<.05*
 1.5–2.0 sec2.84 (0.28)1.88 (0.16)2.633<.05*
  • Intensity was quantified as total centimeters moved by head and limbs during each half-second segment. Intensity of head and paw movements during sniffing was higher for transitions with type 1 behavior compared with type 2 behavior (n = 7) (paired samples t test).