Fig. 4

Reversal of the conditioned discrimination in FR1. There was no significant differences between the SHR and comparison strains in the days taken to reach criterion on this task (note that all WKY completed in 5 days and therefore the SEM = 0) (a), correct responses (b), incorrect responses (c), discrimination index (d), late responses (f), total task activity (g) or latencies (h, i). However, the SHR did make fewer anticipatory responses (e). Representative key shown in b