When it comes to exploring the mind-boggling complexity of living systems—ranging from the origins of human consciousness to treatments for neurodegenerative diseases such as Alzheimer’s—Susan Fitzpatrick has long been a critic of reductionist thinking. In this episode we talk with Fitzpatrick, who has spent three decades supporting brain research as president of the James S. McDonnell Foundation, about new ways to understand the human brain, the difficulty of developing an effective Alzheimer’s treatment, and how scientific research can successfully confront complex problems.

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