The ultimate goal of animal research is for the information obtained from trials to benefit human clinical research. Typically, before human clinical trials are initiated, animal models are tested to investigate the safety and efficacy of new devices, procedures, and drugs. The data gathered from ...
their low metabolism rate, and associated low food intake, which limits the number of trials that can be run per day (Whiting and Noble2018). Consequently, preferred rewards are used to keep motivation high but with the downside that animals gain weight ...