. Author manuscript; available in PMC: 2013 Jul 10.

Published in final edited form as: Brain Stimul. 2012 Mar 30;5(2):116–123. doi: 10.1016/j.brs.2012.03.007

Table 4.

Behavioral ratings before and after PET scan.

	Pre scan	Post scan	Z^a	P
Discomfort–comfort	2.63 (0.52)	1.88 (1.25)	−1.86	N.S
Fatigued–rested	2.00 (0.96)	1.63 (1.69)	−0.75	N.S
Anxious–calm	2.50 (0.76)	2.63 (0.51)	−0.38	N.S
Sad–happy	2.50 (1.41)	2.50 (0.93)	0.00	N.S
Irritated–soothed	2.25 (1.39)	2.63 (0.74)	−0.81	N.S
Feel pain–do not feel pain	3.00 (0.00)	2.63 (0.74)	−1.34	N.S

Wilcoxon Signed Ranks Test.