Table 1.

Summary statistics for applied temperatures and online psychophysical ratings obtained from subjects during scanning

	Punctate		Thermal
	Sharpness (60 g of von Frey)a		Applied temperature (°C)		Pain rating (VAS)
	Right	Left	Right	Left	Right	Left
Mean	2.1	1.9	52.3	51.3	3.6	3.6
SD	0.9	0.8	2.7	3.0	1.1	1.0
Lower 95% CI	1.7	1.6	51.0	49.8	3.0	3.1
Upper 95% CI	2.6	2.3	53.6	52.7	4.1	4.1
Test for normalityb	Yes	Yes	Yes	Yes	Yes	Yes
Paired t test	n.s.		p = 0.004	p = 0.004	n.s.

n.s., Not significant.

^avon Frey nylon filament (60 g).

^bD'Agostino and Pearson omnibus normality test.