From machines to minds and from reality to consciousness, thoughts and research combined, progressed, and contributed to the nascent field. Descartes separated mind and body. Helmholtz applied his empirical views and theories of machine comparison to test and demonstrate neural sensor measurements. Wundt and Thitchener dove into measurements of sensory and physical stimuli to break consciousness down into elements. Darwin and Galton focused on evolution, the need for adaptation and the survival of the fittest. William James and his colleagues changed the direction of consciousness research to relate it to how it continually adapts and flows. Like a family tree, psychology has its roots in philosophy and physiology and its branches have passed through many schools, uses and theories. A family tree that can continue to grow and cultivate new ideas and research thanks to the roots so firmly planted in its parents' soil