The main difference, one might say, is that there is only one neuroscience, and a multitude of psychologies. Because the biological functioning of the brain is much easier to codify than personalities. read more
Psychology is the scientific study of behavior and mental processes. A behavior is any directly observable action or reaction, and metal processes include internal processes such as: thinking, feeling, and desiring. Historically, these mental processes could only be observed indirectly. read more