Psychology first appeared in Germany in the19th century, with Freud as the representative.

Freud's works: the interpretation of dreams transcends the principles of happiness, self and id.

Psychology is the best in America now. Yale University, UCLA, Columbia University, University of Pittsburgh and Science Watch selected the most cited papers in psychiatry and psychology.

First place: Harvard University, 3,243 papers, cited 39,424 times;

Second place: UCLA, 2565 papers, cited 3 147 1 time;

Third place: Yale University, 2 105 papers, cited 29,067 times;

Fourth place: Columbia University, 2 166 papers, cited 28,665 times;

Fifth place: University of Pittsburgh, 2076 papers, cited 28,239 times;