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Fig. 5. Learning and memory in control and cocaine-exposed snails. (A) Control
(N=31; from Fig. 4C)
and (B) 0.1 µmol l-1 cocaine-treated (N=15). Values are
mean ± s.e.m. for number of pneumostome openings. Both groups
demonstrated learning and memory. 1, Training session 1; 2, Training session
2; MT, Memory Test; *P<0.05 compared with performance
during Training session 1 within each treatment group.