Culture refers to the beliefs, ideas, traditions and behaviors portrayed by certain communities and are passed from one generation to the other. Cultural diversity involves the changes that have taken place comparing what was deeply rooted in culture in ancient times and how it has been changing with time. Psychological behavior and processes are analyzed under biological bases and is known as the biological psychology. It can also be termed as behavioral neuroscience. On the other hand, the study of the nervous system is called neuroscience.