| Abstract: | Compared Maudsley reactive (MR) and nonreactive (MNR) (n = 40) and Roman high-avoidance (RHA) and low-avoidance (RLA) (n = 20) male albino rats with respect to emotional reactivity and conditionability. The degree of suppression of water-drinking behavior by unsignaled electric shocks was a measure of emotionality, and the rate of recovery of drinking behavior when the unsignaled shock became signaled was a measure of conditionability. The MR Ss were the most emotional, the MNR Ss were the least emotional, and the 2 Roman strains were intermediate. The RLA Ss were shown to have poor conditionability, while the other 3 strains did not differ from each other. (26 ref.) (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
