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Title: Spin and Wind Directions I: Identifying Entanglement in Nature and Cognition
Authors: Aerts, Diederik
Arguëlles, Jonito Aerts
Beltran, Lester
Geriente, Suzette
Sassoli de Bianchi, Massimiliano
Sozzo, Sandro
Veloz, Tomas
First Published: 23-Jun-2017
Publisher: Springer Verlag (Germany) for Association for Foundations of Science, Language and Cognition
Citation: Foundations of Science, 2017, pp. 1-13
Abstract: We present a cognitive psychology experiment where participants were asked to select pairs of spatial directions that they considered to be the best example of Two different wind directions. Data are shown to violate the CHSH version of Bell’s inequality with the same magnitude as in typical Bell-test experiments with entangled spins. Wind directions thus appear to be conceptual entities connected through meaning, in human cognition, in a similar way as spins appear to be entangled in experiments conducted in physics laboratories. This is the first part of a two-part article. In the second part (Aerts et al. in Found Sci, 2017) we present a symmetrized version of the same experiment for which we provide a quantum modeling of the collected data in Hilbert space.
DOI Link: 10.1007/s10699-017-9528-9
ISSN: 1233-1821
eISSN: 1572-8471
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © the authors, 2017. This is an open-access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Appears in Collections:Published Articles, School of Management

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