Provide an in-depth analysis of the biological bases of human behavior. By summarizing the principles of psychobiology, the role of neurotransmitters, and the impact of brain disorders on behavior. Then, choose a specific aspect of human behavior (for example, addiction, anxiety, or memory) and analyze it in detail, incorporating knowledge from previous tasks. Provide a comprehensive understanding of how biological factors influence this aspect of behavior. Support your analysis with relevant scientific data and studies.