The "inner world" of the mind was, in the past, the traditional preserve of psychoanalysis and related disciplines, and it was therefore placed at the margins of neural science. During 1990-ies numerous investigations in the field of neuroscience have led to significant findings, which explain biological correlates ofpsychological functions. There are much scientific evidence that support association between psychoanalysis and neuroscience. Psychoanalysis offers a unique in-depth perspective on the psychology of human motivation, and furthermore has contributions both to make and to receive in the gathering scientific integration.