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Sensory Cue Integration$
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Julia Trommershäuser, Konrad Kording, and Michael S. Landy

Print publication date: 2011

Print ISBN-13: 9780195387247

Published to Oxford Scholarship Online: September 2012

DOI: 10.1093/acprof:oso/9780195387247.001.0001

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Priors and Learning in Cue Integration

Priors and Learning in Cue Integration

(p.155) CHAPTER 9 Priors and Learning in Cue Integration
Sensory Cue Integration

Anna Seydell

David C. Knill

Julia Trommershäuser

Oxford University Press

This chapter reviews the role of prior knowledge for the integration of sensory information and discusses how priors can be modified by experience. It shows that prior knowledge affects perception at different levels. First, it often serves as an additional cue at the level of cue integration. Second, prior knowledge of statistical regularities in the world is also important for interpreting cues, because it can provide information needed to disambiguate sensory information and thus determines the shape of the likelihood function. Third, prior knowledge is also effective at a higher cognitive level, where it determines whether and how cues are integrated. The chapter concludes by discussing where prior knowledge comes from and how flexible it is.

Keywords:   prior knowledge, sensory information, perception, cue integration, cue interpretation

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