What William James focused on study?

William James, a prominent American philosopher and psychologist, focused on the study of consciousness and the nature of human experience. He is best known for his work in psychology, particularly for his emphasis on pragmatism and functionalism, which explore how mental processes adapt to the environment. Additionally, he contributed to the philosophy of religion and the understanding of emotions, highlighting the interplay between mind and body. His seminal works include "The Principles of Psychology" and "The Varieties of Religious Experience."