Who did the rat experiment

Is much of what we know about drug addiction wrong?In 1978, canadian psychologist bruce k.Here's why you've never heard of it.Skinner also conducted an experiment that explained negative reinforcement.1 previously, russian physiologist ivan pavlov had conducted experiments demonstrating the conditioning process in dogs.

Then, professor bruce alexander and a group of researchers from the simon fraser university in canada came onto the scene and proposed the idea of the rat park experiment.A laboratory rat tries to free its companion in an experiment that explored empathic behavior in rodents.The little albert experiment demonstrated that classical conditioning could be used to create a phobia.In the 1950s, curt richter, a professor at johns hopkins, did a famous drowning rats psychology experiment.Upon pressing the lever, the hungry rat was served with food, which filled its hunger;

Calhoun, a research psychologist at the national institute of mental health, displays some of his test subjects in 1971.Two more of the 12 domesticated rats died in much the same way.His work spans six decades,.The first group lived separately in isolated cages, and the second group lived together in a rat colony where they could play, have sex, and socialize.With funding from simon fraser university, alexander and his colleagues built a large colony to house rats, with more than 200 times the floor space of a standard lab rat cage.