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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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Multisensory Perception: From Integration to Remapping

Multisensory Perception: From Integration to Remapping

Chapter:
(p.224) CHAPTER 12 Multisensory Perception: From Integration to Remapping
Source:
Sensory Cue Integration
Author(s):

Marc O. Ernst

Massimiliano Di Luca

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195387247.003.0012

The brain receives information about the environment from all the sensory modalities, including vision, touch, and audition. To interact efficiently with the environment, this information must eventually converge to form a reliable and accurate multimodal percept. This process is often complicated by the existence of noise at every level of signal processing, which makes the sensory information derived from the world unreliable and inaccurate. There are several ways in which the nervous system may minimize the negative consequences of noise in terms of reliability and accuracy. Two key strategies are to combine redundant sensory estimates and to use prior knowledge. This chapter elaborates further on how these strategies may be used by the nervous system to obtain the best possible estimates from noisy signals.

Keywords:   signal processing, sensory information, nervous system, redundant sensory estimates, prior knowledge, cue integration

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