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Joshua Greene

Principal Investigator

Joshua Greene is an experimental psychologist, neuroscientist, and philosopher.  He studies infrastructure of complex thought, and moral judgment and decision-making, primarily using behavioral experiments and functional neuroimaging (fMRI).  His other interests include religion and cooperation. He is the author of Moral Tribes: Emotion, Reason, and the Gap Between Us and Them.

Catherine Holland

Lab Manager 

Catherine is interested in the cognitive control processes underlying decision-making and aging, uncertainty/risk assessment, and prosocial behavior. 

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Steven Frankland

Postdoctoral Researcher

Steven studies how the brain flexibly combines familiar ideas to compose complex thoughts. And how it then uses these thoughts as fodder for reasoning and decision-making. These are central mental operations, but we have little idea how they are executed by the brain. Working with Josh Greene, he has used functional magnetic resonance imaging (fMRI), intracranial recording of neural activity, and computational modeling to study how the brain understands language, thinks, and reasons. He is also interested in developing analytic methods for better tracking information flow through the brain.

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Regan Bernhard

Postdoctoral Researcher

Regan is a graduate student at the Greene lab. She studies neural representations of propositional attitudes and how the brain pairs the attitude (belief or desire) with the proposition it modifies.

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Dillon Plunkett

Graduate Student

Dillon researches high-level and conscious cognition using neuroimaging, computational modeling, and behavioral methods. How does the brain implement our amazingly flexible ability to represent novel situations and to use these representations as the inputs to processes as diverse as intuitive physics and language production? Does this flexibility rely on a Language of Thought or conscious awareness? In his current work, he is investigating these questions primarily by using functional magnetic resonance imaging to study how the brain enables us to construct and manipulate novel, complex mental images.

Karen Huang 

Graduate Student

Karen studies how impartial reasoning influences moral judgment and policy decisions. In other work, Karen is also interested in interpersonal processes in conflict management, and ethical questions regarding the automation of labor.

Arunima Sarin

Collaborating Graduate Student 

Arunima is interested in studying the neural representations and cognitive mechanisms that facilitate moral decision-making, role of metacognition in enforcing moral norms, and the use of punishment as leverage to change thought and behavior.