Final answer:
Jessa is interested in the biological approach/ biopsychogical approach in psychology, which studies the relationship between the nervous system's structure and function and behavior.
Step-by-step explanation:
Jessa is focused on studying the structure and function of the nervous system to understand certain behaviors. Jessa is interested in the biopsychology approach in psychology. Jessa is interested in the biological/biopsychogical approach in psychology. This approach focuses on how the structure and function of the nervous system can explain behaviors.
Biological psychologists investigate various domains such as sensory and motor systems, neurodevelopment, and biological correlates of psychological disorders. The field often intersects with neuroscience, relying on empirical methods, and spans biopsychology and different areas of study, including molecular, cellular, and developmental aspects of the nervous system.