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Weber's Law: A Mechanistic Foundation after Two Centuries.

Authors
  • Brus, Jeroen1
  • Heng, Joseph A1
  • Polanía, Rafael2
  • 1 Decision Neuroscience Laboratory, Department of Health Sciences and Technology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland. , (Switzerland)
  • 2 Decision Neuroscience Laboratory, Department of Health Sciences and Technology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland. Electronic address: [email protected] , (Switzerland)
Type
Published Article
Journal
Trends in cognitive sciences
Publication Date
Nov 01, 2019
Volume
23
Issue
11
Pages
906–908
Identifiers
DOI: 10.1016/j.tics.2019.09.001
PMID: 31629634
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Weber's law appears to be a universal principle describing how we discriminate between physical magnitudes. However, this law remained purely descriptive for nearly two centuries. A study by Pardo-Vazquez et al. finally provides a mechanistic explanation, revealing how both accuracy and reaction-time performance lawfully emerge during sensory discrimination tasks. Copyright © 2019 Elsevier Ltd. All rights reserved.

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