Final answer:
A neuroscientist is most likely to study brain activities and their relation to human behavior, with a primary focus on experimental research rather than medical treatment or solely mental processes.
Step-by-step explanation:
A neuroscientist is most likely to study the brain activities that underlie human behavior. Neuroscientists focus primarily on the brain and its impact on behavior and cognitive functions. Unlike neurologists, who are medical doctors trained to diagnose and treat neurological disorders, neuroscientists are researchers dedicated to studying the nervous system and often engage in experimental research, including on areas such as the hippocampus which is related to learning and memory.
Similarly, psychologists may study behavior as well, but their focus is often on the mental processes and psychological aspects, and they can provide therapy based on their assessments. Meanwhile, cognitive psychology as a field concentrates on understanding mental processes such as human thinking, which does relate closely to certain aspects of neuroscience.