Susanna Siegel: The Rationality of Perception

FRI, APR 21, 2017

Harvard Book Store, Harvard University’s Edmond J. Safra Center for Ethics, and Mass Humanities welcome Harvard's Edgar Pierce Professor of Philosophy SUSANNA SIEGEL, prize-winning author of The Contents of Visual Experience, for a discussion of her latest book, The Rationality of Perception.

On a traditional conception of the human mind, reasoning can be rational or irrational, but perception cannot. Perception is simply a source of new information, and cannot be assessed for rationality. Susanna Siegel argues that this conception is wrong. Drawing on examples involving racism, emotion, self-defense law, and scientific theories, The Rationality of Perception makes the case that perception itself can be rational or irrational.

The Rationality of Perception argues that reasoning and perception are often deeply intertwined. When unjustified beliefs, fears, desires, or prejudices influence what we perceive, we face a philosophical problem: is it reasonable to strengthen what one believes, fears, or suspects, on the basis of an experience that was generated, unbeknownst to the perceiver, by those very same beliefs, fears, or suspicions? Siegel argues that it is not reasonable-even though it may seem that way to the perceiver. In these cases, a perceptual experience may itself be irrational, because it is brought about by irrational influences.

Siegel systematically distinguishes a number of different kinds of influences on perception, and builds a theory of how such influences on perception determine what it's rational or irrational to believe. She uses the main conclusions to analyze perceptual manifestations of racism. This book makes vivid the far-reaching consequences of psychological and cultural influences on perception. Its method shows how analytic philosophy, social psychology, history and politics can be mutually illuminating.

(Image Source: Pixabay)

+ BIO: Susanna Siegel

Susanna Siegel is the Edgar Pierce Professor of Philosophy at Harvard University, a chair held in the past by B.F. Skinner, Willard van Orman Quine, and Charles Parsons. Siegel’s primary research is in the philosophy of mind and epistemology.Susanna Siegel received her PhD from Cornell University. She currently works on topics in the philosophy of mind and epistemology. Her books The Contents of Visual Experience (2010) and The Rationality of Perception (2017) were both published by Oxford University Press

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