Table 2.

Latency to first two negative deflections (a and b) of averaged evoked potential at site of maximal responsiveness in VLPFC to electrical stimulation of the site in PLST giving rise to that evoked potential

Subject	a	b
R57*	13.0	36.4
R74*	14.0	49.5
R42*	14.0	53.4
R21	9.0	36.0
R43	9.0	35.9
L59	17.0	49.4
L64	18.5	67.4
L66	17.2	30.2
L62	14.5	33.4
L37	10.0	47.0
L40	12.1	28.5
L93*	–	27.1
Mean	13.48	41.18
STD	3.28	12.15

Asterisks refer those evoked potentials similarly identified on the maps of Figures 1–4 and the expanded waveforms shown in Figure 6.