Classicly

The psychology of states of feelings, it is generally recognised, is still in a confused and backward condition. It is a very small part compared to the part played by the emotions and passions in human life, and this region of psychology is not deserving of such neglect. It is true that in recent years W. James and Lange seem to have brought this state of stagnation to an end. Their thesis, paradoxical in appearance, has aroused, especially in America, many discussions, criticisms, defences, and, what is of more value, observations and researches.