Table 2.

Mean (SD) Amplitudes (µV) of the Respiratory-Related Evoked Potential (RREP) during Pleasant, Neutral and Unpleasant Picture Series for Electrodes on the Left and Right Hemisphere

	Pleasant		Neutral		Unpleasant
RREP	Left	Right	Left	Right	Left	Right
Nf (frontal)	−1.67 (1.05)	−1.59 (1.28)	−1.33 (1.17)	−1.13 (1.09)	−1.58 (0.93)	−1.10 (0.81)
P1 (centro-parietal)	1.13 (1.58)	1.04 (1.06)	0.60 (1.43)	0.83 (1.54)	0.70 (1.13)	0.79 (1.04)
N1 (centro-lateral)	−2.49 (2.13)	−2.21 (1.59)	−2.65 (2.35)	−2.29 (1.56)	−2.37 (2.43)	−2.10 (1.70)
P2 (centro-parietal)	3.40 (3.51)	2.80 (3.64)	3.58 (3.84)	2.83 (4.01)	3.45 (3.62)	2.69 (3.85)
P3 (centro-parietal)	3.50 (2.71)**	2.65 (2.26)	4.22 (2.60)	2.85 (1.80)	3.44 (2.51)*	2.66 (2.05)

^*p<.05;

^**p<.01 (compared to left hemisphere during neutral series).