Figure 4.

Lack of effect on long-term memory of ZIP application within or immediately after CTA training. (A) ZIP/sZIP was administrated 20 min after exposure to the CS (saccharin), followed 20 min later by LiCl i.p. injection. Three days later, three successive tests were conducted, 1 d apart. No effect of ZIP on memory was observed. (B) ZIP/sZIP was administrated 1 h after the LiCl injection in CTA training. Three days later, three successive tests were conducted, one day apart. Again, no effect of ZIP on memory was observed.