Table 2.

CPT responses in the various groups of rats to the 250 and 5 Hz stimulus. Values are the mean±sem values before and after vibration on 3 days during the exposure (* indicates significantly less than pre-exposure value).

Test	250 Hz		5 Hz
	Pre-exposure	Post-exposure	Pre-exposure	Post-exposure
Lean control
(day 1)	8.44 (1.83)	7.10 (1.60)	8.03 (1.78)	7.04 (1.61)
(day 5)	11.15 (1.60)	7.10 (1.60)	11.28 (4.72)	7.04 (1.61)
(day 9)	8.40 (2.66)	6.24 (1.52)	9.96 (2.52)	6.24 (1.50)
Obese control
(day 1)	11.71 (3.04)	8.50 (2.34)	10.94 (3.10)	7.89 (2.48)
(day 5)	9.91 (2.26)	7.13 (1.53)	7.87 (2.31)	7.56 (1.50)
(day 9)	7.28 (2.20)	6.31 (1.67)	6.83 (1.48)	6.08 (1.70)
Lean vibrated
(day 1)	12.00 (1.50)	11.55 (3.98)	9.32 (1.50)	13.76 (3.77)
(day 5)	12.00 (1.54)	7.04 (1.64)*	9.32 (1.48)	6.98 (1.84)
(day 9)	11.93 (3.18)	7.41 (1.85)	10.62 (3.05)	6.87 (1.88)
Obese vibrated
(day 1)	12.78 (4.56)	11.08 (5.53)	10.93 (4.64)	11.15 (5.52)
(day 5)	6.47 (1.73)	11.08 (5.53)	7.57 (1.73)	11.15 (5.51)
(day 10)	10.21 (2.71)	9.03 (2.29)	11.19 (2.81)	7.68 (1.93)