A behavioral change can be a temporary or permanent effect that is considered a change in an individual's behavior when compared to previous behavior. It is sometimes considered a mental disorder, yet it is also a strategy used to improve such disorders. This change is generally characterized by changes in thinking, interpretations, emotions, or relationships. These changes can be either good or bad, depending on which behavior is being affected. Often, it takes much more work to change behavior for the better than it does to experience a negative change. Medications can cause this change as a side effect. The interaction between physiological processes and their effect on individual behavior is the basis of psychophysiology. Several theories exist as to why and how behavioral change can b