"An experiment was conducted with the goal of exploring strain differences between female inbred Roman High and Low Avoidance rats (RHA-I, and RLA-I, respectively) on acquisition and extinction of a food-rewarded running response in a straight alley. Acquisition proceeded faster in the less emotiona...
"The Swiss sublines of Roman High-(RHA/Verh) and Low-(RLA/Verh) Avoidance rats have been genetically selected (and outbred) since 1972 because of their good versus extremely poor acquisition of two-way, active avoidance. Inbred strains (RHA-I and RLA-I), derived from those two lines, have been maint...
