Profile of Michael N. Shadlen.

Michael N. Shadlen's research advances understanding of how brain mechanisms underpin conscious versus nonconscious thought, potentially addressing the "hard problem" of consciousness.

• Why it matters: Understanding the neural basis of consciousness is a fundamental challenge in neuroscience, bridging the gap between physical brain activity and subjective experience.
• What they did: Shadlen's work involves studying higher brain functions such as memory retrieval and reasoning, proposing that these processes share common underlying mechanisms, and explaining what differentiates conscious from nonconscious thought.
• The result: His findings could lead to breakthroughs in deciphering how physical brain operations produce conscious experience, opening new avenues for exploring the nature of consciousness and mental states.