The famous physiologist known for his contributions to the study of the human brain is David Eagleman. His research focuses on neuroscience, particularly in understanding how the brain processes information and influences behavior. Through his work, Eagleman has explored the concept of consciousness, examining how our perceptions and experience shape reality. He has also contributed to public understanding of science through numerous books and television series that communicate complex neurological ideas to a broader audience. His contributions have played a significant role in enhancing awareness of the intricacies of the human brain.