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Mind and BrainA Critical Appraisal of Cognitive Neuroscience$
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William R. Uttal

Print publication date: 2011

Print ISBN-13: 9780262015967

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262015967.001.0001

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Sensation

Sensation

Chapter:
(p.49) 2 Sensation
Source:
Mind and Brain
Author(s):

William R. Uttal

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262015967.003.0002

This chapter discusses sensation in the context of peripheral processes, as well as sensory coding, psychophysics, complex perceptual responses, and neural–psychophysical comparisons. The neuroscientific study of sensory coding does not require the subject's cognitive participation as it is conducted on animal preparations. The chapter emphasizes the absence of a unique sensory code and states that sensory coding topics are concerned with peripheral neural responses. The conceptual bonds between sensory coding phenomena and psychophysics are based on isomorphic analogies. The chapter reports that although different methods have been used to ascertain whether a neuron is encoding information efficiently, modern sensory coding research has not provided an authentic and universally acceptable solution to this fundamental problem.

Keywords:   sensation, sensory coding, psychophysics, animal preparations, neurons, isomorphic analogies

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