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Fig. 6. RPeD1 activity in wild Belly snails following the single 0.5 h training
session. (A) Representative recordings from RPeD1 in wild Belly snails
starting at top with a naive snail (naive wild Belly), 24 h after the operant
conditioning procedure, 72 h after conditioning, 72 h yoked control and 1 week
after conditioning. (B) Summary data for mean (+s.e.m.) spiking activity per
600 s. (C) Number of spikes per burst. (D) Burst duration. (E) Number of
bursts per 600 s. In all measured characters presented here, both the 24 h and
72 h operantly conditioned groups demonstrated significantly lower activity
than the naive state and are significantly lower than the 72 h yoke and 1 week
groups. 72 h yoke and 1 week groups are not significantly different from the
naive state. All data represent log-transformed values.
*P<0.05; **P<0.001. Naive
N=9; 24 h N=9; 72 h N=7; 72 h yoke N=7;
and 1 week N=8. No significant differences were detected between
treatments in other electrophysiological parameters measured (see Materials
and methods).